{"title":"ABAC Base Mount Rotary Screw Air Compressors","description":"\u003ch2\u003eABAC Base Mount Rotary Screw Air Compressors\u003c\/h2\u003e\n\u003cp\u003eA base mount rotary screw is the air end, motor and controller on a skid with no receiver underneath. It is the right choice when the shop already has a tank, when the compressor needs to sit in a mechanical room while the receiver lives somewhere else, or when the air demand justifies a larger receiver than any tank mount unit carries. It also makes the machine shorter and easier to get through a doorway.\u003c\/p\u003e\n\u003cp\u003eThe ABAC AS range covers 5 to 30 HP in base mount form at 125, 150 and 175 PSI, with the quieter S series air ends dropping as low as 65 dBA. Larger units are available with an integrated refrigerated dryer so the air leaves the machine already dried. Every one is rated for 100 percent continuous duty, so unlike a piston compressor there is no cool down period to design around.\u003c\/p\u003e\n\u003cp\u003eSizing a base mount unit means sizing the receiver separately. A common rule is 4 to 6 gallons of storage per CFM for steady demand, more where tools draw in bursts. Browse \u003ca href=\"\/collections\/air-receiver-tanks\"\u003eair receiver tanks\u003c\/a\u003e to pair one, or see the \u003ca href=\"\/collections\/abac-tank-mount-rotary-screw-air-compressors\"\u003etank mount versions\u003c\/a\u003e if a single integrated package suits the space better.\u003c\/p\u003e\n\u003cp\u003ePart of the \u003ca href=\"\/collections\/abac-air-compressors\"\u003eABAC range\u003c\/a\u003e from the Atlas Copco group. See all \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e or add an \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003eABAC COOL refrigerated dryer\u003c\/a\u003e to keep water out of the lines.\u003c\/p\u003e","products":[{"product_id":"abac-as-5-5-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-5251BM 5 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 20.3 CFM, 63 dBA","description":"\u003cp\u003eThe ABAC AS-5251BM is a 5 HP base mount rotary screw air compressor built for shops that run air continuously rather than in bursts. It delivers 20.3 CFM at a 125 PSI maximum and runs at 63 dBA, quiet enough to sit in the work area instead of a separate compressor room. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 335 lbs in a 32 x 24 x 40 in cabinet it takes about as much floor as a two drawer file cabinet. Choose 230V single-phase (AS-5251BM) or 208-230-460V three-phase (AS-5253BM).\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModels: AS-5251BM (part number 4152044115) and AS-5253BM (part number 4152043883)\u003c\/li\u003e\n\u003cli\u003eMotor: 5 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 20.3 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 63 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 230\/1\/60 or 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 335 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 32 x 24 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C, quoted at 109 PSI for 125 PSI maximum units. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds a steady line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, and ABAC pairs it with an energy efficient motor and a digital controller that handles programmed maintenance, so the service schedule is on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B 5 to 20 HP range the pressure, the airflow and the mounting all move independently. The \u003ca href=\"\/products\/abac-as-5-5-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-5501BM\u003c\/a\u003e is the same machine set for 150 PSI, which trades airflow for pressure at 17.4 CFM in the identical 335 lb cabinet. The \u003ca href=\"\/products\/abac-as-7-5-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-7.5251BM\u003c\/a\u003e steps up to 7.5 HP and 30.5 CFM at the same 125 PSI on the same 32 x 24 x 40 in footprint, at 360 lbs and 67 dBA. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-5-5-hp-71-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-5251TM\u003c\/a\u003e puts the same air end on a 71 gallon tank at 485 lbs, and the \u003ca href=\"\/products\/abac-as-5-5-hp-71-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-5251TMD\u003c\/a\u003e adds an integrated dryer at 571 lbs. Pick on CFM first, then on pressure, then on whether you want the tank and the dryer in the same package.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eAutomotive service bays, tire shops, small production and fabrication floors, cabinet and woodworking shops, and any operation where a piston compressor is cycling too hard to keep up. At 20.3 CFM it will keep a pair of air ratchets, a sander or a small spray setup fed all day. At 63 dBA it is quiet enough to leave on the shop floor near the point of use, which saves the piping run a separate compressor room would cost.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 20.3 CFM the \u003ca href=\"\/products\/abac-cool-25-refrigerated-air-dryer-115v\"\u003eABAC COOL 25 refrigerated air dryer\u003c\/a\u003e is the matching size, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"230V 1-Phase","offer_id":54708335247635,"sku":"4152044115","price":5852.0,"currency_code":"USD","in_stock":true},{"title":"208-230-460V 3-Phase","offer_id":54708335280403,"sku":"4152043883","price":5852.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as5-base-mount-rotary-screw-air-compressor.png?v=1789405866"},{"product_id":"abac-as-5-5-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-5501BM 5 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 17.4 CFM, 63 dBA","description":"\u003cp\u003eThe ABAC AS-5501BM is a 5 HP base mount rotary screw air compressor built for shops that run air continuously rather than in bursts. It delivers 17.4 CFM at a 150 PSI maximum and runs at 63 dBA, quiet enough to sit in the work area instead of a separate compressor room. The higher pressure setting suits tools, test benches and equipment that need more than a standard 125 PSI line. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 335 lbs in a 32 x 24 x 40 in cabinet it takes about as much floor as a two drawer file cabinet. Choose 230V single-phase (AS-5501BM) or 208-230-460V three-phase (AS-5503BM).\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModels: AS-5501BM (part number 4152044116) and AS-5503BM (part number 4152043884)\u003c\/li\u003e\n\u003cli\u003eMotor: 5 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 17.4 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 63 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 230\/1\/60 or 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 335 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 32 x 24 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C, quoted at 138 PSI for 150 PSI maximum units. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds a steady line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, and ABAC pairs it with an energy efficient motor and a digital controller that handles programmed maintenance, so the service schedule sits on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B 5 to 20 HP range the pressure, the airflow and the mounting all move independently. The \u003ca href=\"\/products\/abac-as-5-5-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-5251BM\u003c\/a\u003e is the same machine set for 125 PSI, which trades pressure for airflow at 20.3 CFM in the identical 335 lb cabinet. The \u003ca href=\"\/products\/abac-as-7-5-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-7.5501BM\u003c\/a\u003e steps up to 7.5 HP and 27.1 CFM at the same 150 PSI on the same 32 x 24 x 40 in footprint, at 360 lbs and 67 dBA. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-5-5-hp-71-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-5501TM\u003c\/a\u003e puts the same air end on a 71 gallon tank at 485 lbs, and the \u003ca href=\"\/products\/abac-as-5-5-hp-71-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-5501TMD\u003c\/a\u003e adds an integrated dryer at 571 lbs. Pick on pressure first, then on CFM, then on whether you want the tank and the dryer in the same package.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eAutomotive service bays, tire shops, small production and fabrication floors, cabinet and woodworking shops, and any operation where a piston compressor is cycling too hard to keep up. The 150 PSI setting is the one to choose when a tool, a clamp circuit or a test rig is specified above 125 PSI, or when a long pipe run eats pressure before the air reaches the point of use. At 63 dBA it is quiet enough to leave on the shop floor near that point of use, which saves the piping a separate compressor room would cost.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 17.4 CFM the \u003ca href=\"\/products\/abac-cool-25-refrigerated-air-dryer-115v\"\u003eABAC COOL 25 refrigerated air dryer\u003c\/a\u003e is the matching size, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"230V 1-Phase","offer_id":54708616266003,"sku":"4152044116","price":5852.0,"currency_code":"USD","in_stock":true},{"title":"208-230-460V 3-Phase","offer_id":54708617576723,"sku":"4152043884","price":5852.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as5-base-mount-150-psi-rotary-screw-air-compressor.png?v=1789409216"},{"product_id":"abac-as-7-5-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-7.5251BM 7.5 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 30.5 CFM, 67 dBA","description":"\u003cp\u003eThe ABAC AS-7.5251BM is the 7.5 HP base mount machine in the AS-B screw range, a rotary screw air compressor that delivers 30.5 CFM at 125 PSI and runs at 67 dBA, quiet enough to sit in the work area instead of a separate compressor room. Base mount means it ships without a tank, so it plumbs into a receiver you already own or one sized to the job. Choose 230V single-phase (AS-7.5251BM) or 208-230-460V three-phase (AS-7.5253BM); both are the same machine in the same 32 by 24 inch cabinet.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModels: AS-7.5251BM (230V single-phase) and AS-7.5253BM (208-230-460V three-phase)\u003c\/li\u003e\n\u003cli\u003eMotor: 7.5 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 30.5 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 67 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003eWeight: 360 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 32 x 24 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eVertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy a screw instead of a piston\u003c\/h3\u003e\u003cp\u003eA piston compressor builds air in bursts and needs time to cool between them. A rotary screw runs, which is why shops that use air most of the day move to one. There is no duty cycle to watch, line pressure stays flat through a shift instead of sagging and recovering, and at 67 dBA the noise sits well below a comparable reciprocating machine. The trade is that a screw dislikes short cycling, so it wants a receiver sized to its output and a demand pattern that keeps it loaded rather than starting and stopping all day.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eAcross the AS-B range the air end scales with the motor on the same footprint. The \u003ca href=\"\/products\/abac-as-5-5-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e5 HP base mount\u003c\/a\u003e gives 20.3 CFM at 335 lbs, this 7.5 HP gives 30.5 CFM at 360 lbs, and the \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e10 HP base mount\u003c\/a\u003e gives 36.4 CFM at 419 lbs, all three in the same 32 by 24 by 40 inch cabinet, so stepping up buys flow rather than floor space. The 10 HP is three-phase only. If line pressure matters more than volume, the \u003ca href=\"\/products\/abac-as-7-5-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e150 PSI build of this same machine\u003c\/a\u003e trades down to 27.1 CFM for the higher setting. If you do not already own a receiver, the same 7.5 HP air end comes tank mounted on a \u003ca href=\"\/products\/abac-as-7-5-hp-71-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003e71 gallon\u003c\/a\u003e or \u003ca href=\"\/products\/abac-as-7-5-hp-131-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003e131 gallon\u003c\/a\u003e tank, and with an integrated dryer on the \u003ca href=\"\/products\/abac-as-7-5-hp-71-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003e71 gallon\u003c\/a\u003e and \u003ca href=\"\/products\/abac-as-7-5-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003e131 gallon\u003c\/a\u003e builds.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eAutomotive service and tire bays, small production and fabrication floors, cabinet and woodworking shops, plasma and laser tables, packaging lines, and any operation where a piston compressor is cycling too hard to keep up. The base mount build is also the one to buy when you are replacing the compressor on an existing system and keeping the receiver and piping already in place.\u003c\/p\u003e\u003ch3\u003eSetting it up\u003c\/h3\u003e\u003cp\u003eGive the cabinet clear air on the cooling side and keep it out of a hot corner, run it on its own circuit sized to the motor nameplate, and size the receiver to the demand rather than to the pipe. Oil, oil filter and separator element are the service items, and the digital controller tracks the intervals for you. Compressed air leaving any screw carries moisture, so if the air goes to paint, tires, pneumatic controls or anything that hates water, put a refrigerated dryer behind it; the \u003ca href=\"\/products\/abac-cool-35-refrigerated-air-dryer-115v\"\u003eABAC COOL\u003c\/a\u003e dryers run on standard shop power and are rated to 232 PSI. Call us with your own flow and duty cycle and we will size the dryer against this machine before you pipe it in.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B 5 to 20 HP screw range from the Atlas Copco group. See the full \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressor\u003c\/a\u003e lineup, the \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed screw compressors\u003c\/a\u003e, and our \u003ca href=\"\/collections\/air-dryers\"\u003eair dryers\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C, quoted at 109 PSI for 125 PSI maximum units. Noise measured per ISO 2151:2004 using ISO 9614\/2 (sound intensity method).\u003c\/em\u003e\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"230V 1-Phase","offer_id":54710096757011,"sku":"4152044117","price":6689.0,"currency_code":"USD","in_stock":true},{"title":"208-230-460V 3-Phase","offer_id":54710096789779,"sku":"4152043885","price":6689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as75-base-mount-rotary-screw-air-compressor.png?v=1789431121"},{"product_id":"abac-as-7-5-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-7.5501BM 7.5 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 27.1 CFM, 67 dBA","description":"\u003cp\u003eThe ABAC AS-7.5501BM is a 7.5 HP base mount rotary screw air compressor built for shops that run air continuously rather than in bursts. It delivers 27.1 CFM at 150 PSI and runs at 67 dBA, quiet enough to sit in the work area instead of a separate compressor room. The higher pressure setting suits tools and equipment that need more than a standard 125 PSI line. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 360 lbs in a 32 x 24 x 40 in cabinet it takes about as much floor as a two drawer file cabinet. Choose 230V single-phase (AS-7.5501BM) or 208-230-460V three-phase (AS-7.5503BM).\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModels: AS-7.5501BM (part number 4152044118) and AS-7.5503BM (part number 4152043886)\u003c\/li\u003e\n\u003cli\u003eMotor: 7.5 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 27.1 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 67 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 230\/1\/60 or 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 360 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 32 x 24 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds a steady line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, and ABAC pairs it with an energy efficient motor and a digital controller that handles programmed maintenance, so the service schedule is on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B 5 to 20 HP range the pressure, the airflow and the mounting all move independently. The \u003ca href=\"\/products\/abac-as-7-5-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-7.5251BM\u003c\/a\u003e is the same machine set for 125 PSI, which trades pressure for airflow at 30.5 CFM in the identical 360 lb cabinet. Stepping down, the \u003ca href=\"\/products\/abac-as-5-5-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-5501BM\u003c\/a\u003e holds the same 150 PSI on 5 HP at 17.4 CFM and a quieter 63 dBA. Stepping up, the \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-10503BM\u003c\/a\u003e reaches 34.1 CFM at 150 PSI and 69 dBA. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-7-5-hp-71-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-7.5501TM7\u003c\/a\u003e puts the same air end on a 71 gallon tank, and the \u003ca href=\"\/products\/abac-as-7-5-hp-71-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-7.5501TMD7\u003c\/a\u003e adds an integrated dryer in the same package. Pick on CFM first, then on pressure, then on whether you want the tank and the dryer included.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eAutomotive service bays, tire shops, small production and fabrication floors, cabinet and woodworking shops, and any operation where a piston compressor is cycling too hard to keep up. At 27.1 CFM it will keep several air ratchets, a sander and a blow off station fed through a full shift. The 150 PSI setting matters where a long pipe run, a high pressure impact tool or a piece of production equipment needs headroom above the usual 125 PSI shop line. At 67 dBA it is quiet enough to leave near the point of use, which saves the piping run a separate compressor room would cost.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 27.1 CFM the \u003ca href=\"\/products\/abac-cool-35-refrigerated-air-dryer-115v\"\u003eABAC COOL 35 refrigerated air dryer\u003c\/a\u003e is the matching size, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"230V 1-Phase","offer_id":54710567239955,"sku":"4152044118","price":6689.0,"currency_code":"USD","in_stock":true},{"title":"208-230-460V 3-Phase","offer_id":54710567272723,"sku":"4152043886","price":6689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as75-base-mount-150-psi-rotary-screw-air-compressor.png?v=1789434751"},{"product_id":"abac-as-10-10-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-10253BM 10 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 36.4 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-10253BM is a 10 HP base mount rotary screw air compressor built for shops that run air continuously rather than in bursts. It delivers 36.4 CFM at a 125 PSI maximum and runs at 69 dBA, quiet enough to sit in the work area instead of a separate compressor room. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 419 lbs in a 32 x 24 x 40 in cabinet it holds the same footprint as the 5 and 7.5 HP machines in the range. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-10253BM (part number 4152043887)\u003c\/li\u003e\n\u003cli\u003eMotor: 10 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 36.4 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 419 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 32 x 24 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eEnergy efficient motor, lower oil consumption\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds a steady line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, and ABAC pairs it with an energy efficient motor and a digital controller that handles programmed maintenance, so the service schedule is on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B 5 to 20 HP range the pressure, the airflow and the mounting all move independently. The \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-10503BM\u003c\/a\u003e is the same machine set for 150 PSI, which trades airflow for pressure at 34.1 CFM in the identical 419 lb cabinet. Stepping down, the \u003ca href=\"\/products\/abac-as-7-5-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-7.5253BM\u003c\/a\u003e gives 30.5 CFM at the same 125 PSI and 67 dBA for 360 lbs, and stepping up, the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-15253BM\u003c\/a\u003e reaches 52.1 CFM at 478 lbs in a wider 37 x 28 x 40 in cabinet. If you want more air without more noise, the \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-10S253BM\u003c\/a\u003e is the same 10 HP at 39.8 CFM and a quieter 65 dBA. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-10-10-hp-71-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-10253TM7\u003c\/a\u003e puts the same air end on a 71 gallon tank at 567 lbs, and the \u003ca href=\"\/products\/abac-as-10-10-hp-71-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-10253TMD7\u003c\/a\u003e adds an integrated dryer at 653 lbs. Pick on CFM first, then on pressure, then on whether you want the tank and the dryer in the same package.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, larger automotive and fleet service shops, tire and truck bays, cabinet and woodworking shops, and any operation where a piston compressor is cycling too hard to keep up. At 36.4 CFM it will carry several air ratchets, an orbital sander and a plasma cutter on the same line, or keep a two bay shop fed through a full shift. At 69 dBA it is quiet enough to leave on the shop floor near the point of use, which saves the piping run a separate compressor room would cost.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 36.4 CFM the \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50 refrigerated air dryer\u003c\/a\u003e is the matching size with headroom, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":54745965396243,"sku":"4152043887","price":7771.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as10-base-mount-rotary-screw-air-compressor.png?v=1789773118"},{"product_id":"abac-as-10-10-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-10503BM 10 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 34.1 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-10503BM is the 150 PSI build of the 10 HP base mount machine in the AS-B screw range. It delivers 34.1 CFM at a 150 PSI maximum and runs at 69 dBA, quiet enough to sit in the work area instead of a separate compressor room. The higher pressure setting is the one to specify when a tool, a clamp circuit or a plant header needs more than the usual 125 PSI, or when a long pipe run eats pressure before the air reaches the point of use. Base mount means the unit ships without a receiver, so it plumbs into an air tank you already own or one sized to the job. At 419 lbs in a 32 x 24 x 40 in cabinet it takes roughly the floor space of a two drawer file cabinet. Power is 208-230-460V three-phase.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: AS-10503BM (part number 4152043888)\u003c\/li\u003e\n\u003cli\u003eMotor: 10 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 34.1 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 419 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 32 x 24 x 40 in\u003c\/li\u003e\n\u003cli\u003eEco-friendly vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven access for optimizing operating performance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\n\u003cp\u003eA piston compressor builds air in bursts and needs time to cool between them. A rotary screw is rated for continuous duty, so it holds a flat line pressure through a full shift instead of sagging and recovering between jobs. That is the reason shops using air most of the day move off a reciprocating machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is built around a state of the art design that limits air loss, and ABAC pairs it with an energy efficient motor and a digital controller, so the operating menus and the service intervals sit on the panel rather than on a clipboard. The trade is that a screw dislikes short cycling, so it wants a receiver sized to its output and a demand pattern that keeps it loaded.\u003c\/p\u003e\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eAcross the AS-B range pressure, airflow and mounting all move independently. The \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-10253BM\u003c\/a\u003e is the same 10 HP machine set for 125 PSI, trading pressure for airflow at 36.4 CFM in the identical 419 lb cabinet. Stepping down, the \u003ca href=\"\/products\/abac-as-7-5-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-7.5501BM\u003c\/a\u003e gives 27.1 CFM at the same 150 PSI for 360 lbs on the same 32 x 24 x 40 in footprint; stepping up, the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-15503BM\u003c\/a\u003e carries 46.4 CFM. If noise matters, the \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-10S503BM\u003c\/a\u003e is the quieter 10 HP build at 65 dBA and 35.6 CFM on the same pressure setting. If you do not already own a receiver, the same air end comes tank mounted on a \u003ca href=\"\/products\/abac-as-10-10-hp-71-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003e71 gallon tank\u003c\/a\u003e or a \u003ca href=\"\/products\/abac-as-10-10-hp-131-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003e131 gallon tank\u003c\/a\u003e, and with an integrated dryer on the \u003ca href=\"\/products\/abac-as-10-10-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003e131 gallon build\u003c\/a\u003e. Buy pressure only to the level your highest tool actually needs, because every step up costs airflow.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eProduction and fabrication floors, larger automotive and fleet service shops, tire and truck bays, cabinet and woodworking shops, plasma and laser tables, packaging lines, and any operation running tooling or a test rig specified above 125 PSI. At 34.1 CFM it will keep several air ratchets, a sander or a continuous blow off fed through a shift. The base mount build is also the one to buy when you are replacing the compressor on an existing system and keeping the receiver and piping already in place.\u003c\/p\u003e\n\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\n\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand rather than to the pipe, give the cabinet clear air on the cooling side, keep it out of a hot corner, and run it on its own circuit sized to the motor nameplate. Oil, oil filter and separator element are the service items, and the digital controller tracks the intervals. Air leaving any screw carries moisture, so if it goes to paint, tires, pneumatic controls or anything that hates water, put a refrigerated dryer behind it. At 34.1 CFM the \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50\u003c\/a\u003e gives useful headroom and runs on 115V, so it plugs in beside the compressor without new wiring; the \u003ca href=\"\/products\/abac-cool-35-refrigerated-air-dryer-115v\"\u003eCOOL 35\u003c\/a\u003e is the minimum size. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer\u003c\/a\u003e range. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2 (sound intensity method).\u003c\/em\u003e\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":54746126942483,"sku":"4152043888","price":7771.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as10-base-mount-150-psi-rotary-screw-air-compressor.png?v=1789776638"},{"product_id":"abac-as-10s-10-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-10S253BM 10 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 39.8 CFM, 65 dBA","description":"\u003cp\u003eThe ABAC AS-10S253BM is the quiet, higher output 10 HP machine in the AS-B range. It delivers 39.8 CFM at a 125 PSI maximum and runs at just 65 dBA, which is about 4 dBA below the standard AS-10 and quiet enough to leave on the shop floor near the point of use instead of walling it into a compressor room. This is the base mount version, so it ships without a receiver and plumbs into an air tank you already own or one sized to your demand. At 454 lbs in a 37 x 28 x 40 in cabinet it uses the wider AS-15 frame rather than the compact AS-10 frame, which is where the extra airflow and the lower noise come from. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-10S253BM (part number 4152043909)\u003c\/li\u003e\n\u003cli\u003eMotor: 10 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 39.8 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 65 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 454 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eThree stage vertical oil separation, low oil consumption\u003c\/li\u003e\n\u003cli\u003eIntuitive digital controller with programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM for 10S through 20 HP units quoted as free air delivery per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is built for continuous duty, so it holds a steady line pressure through a full shift rather than recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, which keeps oil carryover and condensation low, and ABAC pairs it with an energy efficient motor and a digital controller so the service schedule lives on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B range the pressure, the airflow and the mounting move independently. The \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-10S503BM\u003c\/a\u003e is the same machine set for 150 PSI at 35.6 CFM, and the \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003eAS-10S753BM\u003c\/a\u003e reaches 175 PSI at 29.9 CFM, all three in the identical 454 lb cabinet. Against the standard \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-10253BM\u003c\/a\u003e at the same 125 PSI, this unit gives 3.4 CFM more air and runs 4 dBA quieter for 35 lbs more weight. Stepping up, the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-15253BM\u003c\/a\u003e reaches 52.1 CFM in the same 37 x 28 x 40 in footprint. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-10s-10-hp-131-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-10S253TM\u003c\/a\u003e puts the same air end on a tank mount receiver, and the \u003ca href=\"\/products\/abac-as-10s-10-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-10S253TMD\u003c\/a\u003e adds an integrated dryer to that package. Pick on CFM first, then on pressure, then on whether you want the tank and the dryer in one skid.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, heavy assembly and production line work, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and cleaning and surface preparation. At 39.8 CFM it will carry several air ratchets, an orbital sander and a plasma cutter on the same line, or keep a two to three bay shop fed through a full shift. The 65 dBA rating is the reason to choose this one over the standard AS-10 when the compressor has to share space with the people using it.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 39.8 CFM the \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50 refrigerated air dryer\u003c\/a\u003e is the matching size with headroom, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67543024501011,"sku":"4152043909","price":8500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-10s753bm_db1579cb-a32c-4272-aefe-8eb931bf6b49.png?v=1790869047"},{"product_id":"abac-as-10s-10-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-10S503BM 10 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 35.6 CFM, 65 dBA","description":"\u003cp\u003eThe ABAC AS-10S503BM is the 150 PSI build of the quiet, higher output 10 HP machine in the AS-B range. It delivers 35.6 CFM free air delivery at a 150 PSI maximum and runs at just 65 dBA, quiet enough to leave on the shop floor near the point of use instead of walling it into a compressor room. This is the base mount version, so it ships without a receiver and plumbs into an air tank you already own or one sized to your demand. At 454 lbs in a 37 x 28 x 40 in cabinet it stays compact for a 10 HP screw. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-10S503BM (part number 4152043910)\u003c\/li\u003e\n\u003cli\u003eMotor: 10 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 35.6 CFM free air delivery\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 65 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver and no dryer\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 454 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eThree stage vertical oil separation, low oil carryover\u003c\/li\u003e\n\u003cli\u003eIntuitive digital controller with programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM quoted as free air delivery per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is built for continuous duty, so it holds a steady line pressure through a full shift rather than recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with three stage vertical oil separation, which keeps oil carryover and air loss low across long duty cycles, and ABAC pairs it with an energy efficient motor and a digital controller so the service schedule lives on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-10S base mount build, pressure and flow trade against each other on the same machine. The \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e125 PSI AS-10S253BM\u003c\/a\u003e gives 39.8 CFM and the \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003e175 PSI AS-10S753BM\u003c\/a\u003e gives 29.9 CFM, both in the identical 454 lb, 37 x 28 x 40 in cabinet as this 150 PSI build at 35.6 CFM. The 150 PSI build is the middle choice, and the one to specify when a long header or a tool rated above the usual 125 PSI shop standard leaves too little margin at the point of use. Against the standard \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-10503BM\u003c\/a\u003e at the same 150 PSI, the AS-10S delivers 35.6 CFM rather than 34.1 and runs 65 dBA rather than 69, which matters when the compressor shares a room with the people using it. If you would rather buy the receiver and the plumbing in one piece, the \u003ca href=\"\/products\/abac-as-10s-10-hp-131-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003etank mount AS-10S503TM\u003c\/a\u003e is the same air end on a receiver, and the \u003ca href=\"\/products\/abac-as-10s-10-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-10S503TMD\u003c\/a\u003e adds an integrated dryer to that skid.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. ABAC builds the AS-B range for heavy assembly, production line assembly, and cleaning and preparation work, the jobs where air demand is close to continuous and the conditions are not gentle. The 65 dBA rating is the reason to choose the AS-10S over the standard AS-10 when the compressor has to share space with the people using it.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. The \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50 refrigerated air dryer\u003c\/a\u003e is rated at 50 CFM, comfortably above this compressor's 35.6 CFM output, which is the margin you want so the dryer is not running at its limit on a hot day, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67543527194899,"sku":"4152043910","price":8500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-10s753bm_dd0e63d6-3a49-4900-829f-b7a2a0339955.png?v=1790869050"},{"product_id":"abac-as-10s-10-hp-base-mount-175-psi-rotary-screw-air-compressor","title":"ABAC AS-10S753BM 10 HP Rotary Screw Air Compressor - Base Mount, 175 PSI, 29.9 CFM, 65 dBA","description":"\u003cp\u003eThe ABAC AS-10S753BM is the 175 PSI build of the quiet, higher output 10 HP machine in the AS-B range. It delivers 29.9 CFM free air delivery at a 175 PSI maximum and runs at just 65 dBA, quiet enough to leave on the shop floor near the point of use instead of walling it into a compressor room. This is the base mount version, so it ships without a receiver and plumbs into an air tank you already own or one sized to your demand. At 454 lbs in a 37 x 28 x 40 in cabinet it stays compact for a 10 HP screw. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-10S753BM (part number 4152043911)\u003c\/li\u003e\n\u003cli\u003eMotor: 10 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 29.9 CFM free air delivery\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 175 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 65 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver and no dryer\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 454 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eThree stage vertical oil separation, low oil carryover\u003c\/li\u003e\n\u003cli\u003eIntuitive digital controller with programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM quoted as free air delivery per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is built for continuous duty, so it holds a steady line pressure through a full shift rather than recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with three stage vertical oil separation, which keeps oil carryover and air loss low across long duty cycles, and ABAC pairs it with an energy efficient motor and a digital controller so the service schedule lives on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-10S base mount build, pressure and flow trade against each other on the same machine. The \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e125 PSI AS-10S253BM\u003c\/a\u003e gives 39.8 CFM and the \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e150 PSI AS-10S503BM\u003c\/a\u003e gives 35.6 CFM, both in the identical 454 lb, 37 x 28 x 40 in cabinet as this 175 PSI build at 29.9 CFM. Specify 175 PSI when a tool or process genuinely needs the pressure rather than as headroom, because you are paying close to 10 CFM for it against the 125 PSI build. If you would rather buy the receiver and the plumbing in one piece, the \u003ca href=\"\/products\/abac-as-10s-10-hp-131-gallon-tank-mount-175-psi-rotary-screw-air-compressor\"\u003e131 gallon tank mount AS-10S753TM\u003c\/a\u003e is the same air end on a receiver, and the \u003ca href=\"\/products\/abac-as-10s-10-hp-131-gallon-tank-mount-dryer-175-psi-rotary-screw-air-compressor\"\u003eAS-10S753TMD\u003c\/a\u003e adds an integrated dryer to that skid.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. The 175 PSI rating is what to look at when line losses across a long header leave too little margin at the tool, or when a press, a plasma table or a pneumatic clamp is specified above the 125 PSI a standard shop machine delivers. The 65 dBA rating is the reason to choose the AS-10S over the standard AS-10 when the compressor has to share space with the people using it.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. The \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50 refrigerated air dryer\u003c\/a\u003e is rated at 50 CFM, comfortably above this compressor's 29.9 CFM output, which is the margin you want so the dryer is not running at its limit on a hot day, and it runs on 115V so it plugs in beside the compressor without new wiring. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67544389320979,"sku":"4152043911","price":8499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-10s753bm.png?v=1790640709"},{"product_id":"abac-as-15-15-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-15253BM 15 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 52.1 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-15253BM is a 15 HP base mount rotary screw air compressor for shops that have outgrown a piston unit and need steady air through a full shift. It delivers 52.1 CFM at a 125 PSI maximum and runs at 69 dBA. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 478 lbs in a 37 x 28 x 40 in cabinet it sets down in about the space a 60 gallon vertical piston compressor already takes up. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-15253BM (part number 4152043912)\u003c\/li\u003e\n\u003cli\u003eMotor: 15 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 52.1 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 478 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eEnergy efficient motor and digital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, paired with an energy efficient motor and a controller that handles programmed maintenance, so the service schedule sits on the panel rather than on a clipboard. At 69 dBA the machine is quiet enough to sit in the working space rather than in a closet built to contain it.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. At 52.1 CFM it will carry several bays of air tools, a plasma table, or a blast or finishing setup without the pressure sagging when a second operator pulls a trigger.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B range the 15 HP frame is the step most shops make when they add a second bay or a larger blasting or finishing setup. At 52.1 CFM it carries roughly 16 CFM more air than the \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e10 HP AS-10253BM\u003c\/a\u003e at the same 125 PSI, and the \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e20 HP AS-20253BM\u003c\/a\u003e adds another 8.5 CFM on top of that. Pressure is the other axis: the same 15 HP frame is offered at \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e150 PSI\u003c\/a\u003e for 46.4 CFM and \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003e175 PSI\u003c\/a\u003e for 41.7 CFM, all three in the same 478 lb cabinet. Buy pressure only to the level your highest tool actually needs, because every step up costs airflow.\u003c\/p\u003e\u003ch3\u003eBuilding the system around it\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 52.1 CFM the matching dryer is the \u003ca href=\"\/products\/abac-cool-65-refrigerated-air-dryer-115v\"\u003eABAC COOL 65 refrigerated air dryer\u003c\/a\u003e, which runs on 115V so it plugs in beside the compressor. If you would rather buy the tank already built in, the same 15 HP air end is sold as a \u003ca href=\"\/products\/abac-as-15-15-hp-131-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003etank mount\u003c\/a\u003e, and as a \u003ca href=\"\/products\/abac-as-15-15-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003etank mount with an integrated dryer\u003c\/a\u003e at 871 lbs.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B 5 to 20 HP screw range from the Atlas Copco group. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryers\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C at free air delivery. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67575828906259,"sku":"4152043912","price":9196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-15253bm.png?v=1790899889"},{"product_id":"abac-as-15-15-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-15503BM 15 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 46.4 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-15503BM is a 15 HP base mount rotary screw air compressor for shops that have outgrown a piston unit and need steady air through a full shift. It delivers 46.4 CFM at a 150 PSI maximum and runs at 69 dBA. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 478 lbs in a 37 x 28 x 40 in cabinet it keeps the footprint small enough to sit near the point of use. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-15503BM (part number 4152043913)\u003c\/li\u003e\n\u003cli\u003eMotor: 15 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 46.4 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 478 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eEnergy efficient motor and digital controller with programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, paired with an energy efficient motor and a controller that handles programmed maintenance, so the service schedule sits on the panel rather than on a clipboard.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003ePressure and flow trade against each other on the same machine. This 150 PSI unit moves 46.4 CFM, against 52.1 CFM on the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-15253BM\u003c\/a\u003e at 125 PSI and 41.7 CFM on the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003eAS-15753BM\u003c\/a\u003e at 175 PSI, all three in the same 478 lb cabinet. Choose 150 PSI when your tools or process genuinely call for it at the point of use rather than at the compressor. Across the HP range the \u003ca href=\"\/products\/abac-as-10-10-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-10503BM\u003c\/a\u003e gives 34.1 CFM at the same pressure and the \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20503BM\u003c\/a\u003e gives 54 CFM. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-15-15-hp-131-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-15503TM\u003c\/a\u003e puts the same air end on a tank at 776 lbs, and the \u003ca href=\"\/products\/abac-as-15-15-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-15503TMD\u003c\/a\u003e adds an integrated dryer at 871 lbs.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. At 46.4 CFM it will carry several bays of air tools, a plasma table, or a blast or finishing setup without the pressure sagging when a second operator pulls a trigger.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 46.4 CFM the \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50 refrigerated air dryer\u003c\/a\u003e is the matching size at 50 CFM, and it runs on 115V so it plugs in beside the compressor. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67575927832851,"sku":"4152043913","price":9196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-15503bm.png?v=1790903151"},{"product_id":"abac-as-15-15-hp-base-mount-175-psi-rotary-screw-air-compressor","title":"ABAC AS-15753BM 15 HP Rotary Screw Air Compressor - Base Mount, 175 PSI, 41.7 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-15753BM is a 15 HP base mount rotary screw air compressor for shops that have outgrown a piston unit and need steady air through a full shift. This is the 175 PSI build, delivering 41.7 CFM at 69 dBA, for plants running tooling or processes that specify a higher line pressure than a standard 125 PSI machine will hold. Base mount means the unit ships without a receiver, so you plumb it into an air tank you already own or size a tank to the job. At 478 lbs in a 37 x 28 x 40 in cabinet it sets down in about the space a 60 gallon vertical piston compressor already takes up. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-15753BM (part number 4152043914)\u003c\/li\u003e\n\u003cli\u003eMotor: 15 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 41.7 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 175 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 478 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with eco-friendly vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eEnergy efficient motor, low oil consumption\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C at free air delivery. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. The AS-B air end is a fully integrated aluminum block with vertical oil separation, paired with an energy efficient motor and a controller that handles programmed maintenance, so the service schedule sits on the panel rather than on a clipboard. ABAC designs the air end for limited air loss and low oil consumption, which keeps running cost and oil carryover down over the life of the machine. At 69 dBA it is quiet enough to sit in the working space rather than in a closet built to contain it.\u003c\/p\u003e\u003ch3\u003eWhy 175 PSI\u003c\/h3\u003e\u003cp\u003eMost shop air tools are specified at 90 PSI at the inlet, and a 125 PSI compressor covers them with room to spare. The 175 PSI build exists for the cases that do not fit that pattern: long runs of undersized pipe where line loss eats the margin, a process or test rig that specifies a higher supply pressure, or a plant standardizing every compressor on one higher setpoint. Buying pressure you do not need costs airflow, because the same 15 HP air end gives up CFM as discharge pressure rises. Check what your highest pressure tool or process actually calls for at the point of use before choosing this build over the 125 PSI version.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003ePressure and airflow trade against each other on the same 15 HP frame. At 175 PSI this unit delivers 41.7 CFM, against 46.4 CFM from the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e150 PSI AS-15503BM\u003c\/a\u003e and 52.1 CFM from the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e125 PSI AS-15253BM\u003c\/a\u003e, all three in the same 478 lb cabinet. Within the 175 PSI line the 10 HP \u003ca href=\"\/products\/abac-as-10s-10-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003eAS-10S753BM\u003c\/a\u003e carries 29.9 CFM and the 20 HP \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003eAS-20753BM\u003c\/a\u003e carries 48.5 CFM, with this 15 HP frame between them at 41.7 CFM. If you do not already own a receiver, the same 175 PSI air end is sold as a \u003ca href=\"\/products\/abac-as-15-15-hp-131-gallon-tank-mount-175-psi-rotary-screw-air-compressor\"\u003etank mount\u003c\/a\u003e at 776 lbs, and as a \u003ca href=\"\/products\/abac-as-15-15-hp-131-gallon-tank-mount-dryer-175-psi-rotary-screw-air-compressor\"\u003etank mount with an integrated dryer\u003c\/a\u003e at 871 lbs.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, blasting and finishing booths, and any operation running a tool or process that calls for more line pressure than a 125 PSI machine will hold. At 41.7 CFM it will carry several bays of air tools, a plasma table, or a blast or finishing setup without the pressure sagging when a second operator pulls a trigger.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires or anything that hates water. At 41.7 CFM the usual pairing is a COOL series dryer rated above that figure, such as the \u003ca href=\"\/products\/abac-cool-50-refrigerated-air-dryer-115v\"\u003eABAC COOL 50 refrigerated air dryer\u003c\/a\u003e, whose 232 PSI maximum working pressure covers a 175 PSI system and which runs on 115V so it plugs in beside the compressor. Oil, oil filter and separator element are the service items, so keep a spare set on the shelf.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B 5 to 20 HP screw range from the Atlas Copco group. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryers\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67577696387347,"sku":"4152043914","price":9196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-15753bm.png?v=1790947798"},{"product_id":"abac-as-20-20-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-20253BM 20 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 60.6 CFM, 71 dBA","description":"\u003cp\u003eThe ABAC AS-20253BM is a 20 HP rotary screw air compressor for operations that have outgrown a 15 HP machine and need steady air across several bays at once. It delivers 60.6 CFM at 125 PSI and runs at 71 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20253BM (part number 4152043915)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 60.6 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 71 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 516 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco-friendly vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with programmed maintenance menus\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the footprint buys you\u003c\/h3\u003e\u003cp\u003eThe AS-20 shares the same 37 by 28 inch cabinet as the 15 HP \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-15253BM\u003c\/a\u003e and weighs 516 lbs against its 478 lbs, so stepping up from 52.1 CFM to 60.6 CFM at the same 125 PSI costs no extra floor space. That matters in a plant room that is already full. If the work needs pressure rather than volume, the \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e150 PSI AS-20503BM\u003c\/a\u003e delivers 54 CFM and the \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003e175 PSI AS-20753BM\u003c\/a\u003e delivers 48.5 CFM from the same 20 HP motor. If it is quiet running and more air you want rather than more pressure, the 20 HP \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253BM\u003c\/a\u003e delivers 81.9 CFM at 67 dBA in a larger 690 lb cabinet, so compare the two before you commit the floor space.\u003c\/p\u003e\u003ch3\u003eInside the AS-B air end\u003c\/h3\u003e\u003cp\u003eABAC builds the AS-B range around a fully integrated aluminum block air end, an energy-efficient motor and eco-friendly vertical oil separation technology. The air end design is aimed at limited air loss, low oil carryover, long service life and low noise and vibration, which is what lets a screw run loaded all shift where a reciprocating machine would be heat soaked and cycling. The digital controller handles start and stop, load and unload, and carries menu driven programmed maintenance, so service intervals are tracked by the machine rather than guessed at. ABAC also designs the AS-B cabinet as one of the smallest footprints in its class, which is why a 20 HP machine fits a 37 by 28 inch plan.\u003c\/p\u003e\u003ch3\u003eBase mount or tank mount\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. You pick the receiver, you pick where it sits, and you can oversize the tank to smooth a peaky demand profile without buying a bigger compressor. If you would rather have it arrive as one piece, the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-125-psi-rotary-screw-air-compressor\"\u003etank mount version\u003c\/a\u003e puts the same air end on a 131 gallon ASME receiver, and the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003etank mount with integrated dryer\u003c\/a\u003e adds moisture control in the same package.\u003c\/p\u003e\u003ch3\u003ePlanning the installation\u003c\/h3\u003e\u003cp\u003eSize the receiver to the way your shop actually draws air: a plant that pulls in heavy bursts needs more stored air than one with a steady load, and on a base mount build the tank is yours to choose. Leave clearance around the cabinet for cooling airflow and keep front access clear for service. Run the machine on a three-phase circuit sized to the motor nameplate, and confirm which of the 208, 230 or 460 volt taps your panel supplies before the electrician arrives. Oil, oil filter, air filter and separator element are the consumables on a screw compressor. Keeping a set on the shelf is what stops a routine service from becoming downtime.\u003c\/p\u003e\u003ch3\u003eDrying the air it makes\u003c\/h3\u003e\u003cp\u003eA rotary screw delivers warm, saturated air, and 60.6 CFM of it will carry a lot of water into your lines if nothing removes it. Size a refrigerated dryer above the compressor's output rather than level with it, so the dryer is not working at its limit on a hot day: the \u003ca href=\"\/products\/abac-cool-100-refrigerated-air-dryer-230v\"\u003eABAC COOL 100\u003c\/a\u003e is rated 100 CFM at a 232 PSI maximum working pressure and leaves real headroom over this machine. The rest of the sizes are in the \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003eABAC COOL refrigerated dryer range\u003c\/a\u003e. Add a filter ahead of any finishing or instrument air, and if you would rather buy the dryer already matched, mounted and wired, the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-20253TMD\u003c\/a\u003e ships the same air end with receiver and dryer on one base.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, multi-bay automotive and fleet service, tire and truck shops, cabinet and woodworking plants, blast and finishing booths, and any operation where a reciprocating compressor is running loaded most of the shift just to hold line pressure. A rotary screw is built for continuous duty, so it keeps a steady line pressure through the whole shift instead of recovering between jobs. At 60.6 CFM this machine will carry several air tools at once, a plasma table, or a booth running alongside the rest of the shop, which is usually the point at which a plant stops adding piston compressors and consolidates on one screw.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our wider range of \u003ca href=\"\/collections\/air-compressors\"\u003estationary air compressors\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C, quoted at 109 PSI for 125 PSI maximum units. Noise measured per ISO 2151:2004 using ISO 9614\/2.\u003c\/em\u003e\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67577764938003,"sku":"4152043915","price":10318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20253bm.png?v=1790951864"},{"product_id":"abac-as-20-20-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-20503BM 20 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 54 CFM, 71 dBA","description":"\u003cp\u003eThe ABAC AS-20503BM is a 20 HP fixed speed rotary screw air compressor for operations that have outgrown a 15 HP machine and need steady air across several bays at once. It delivers 54 CFM at 150 PSI and runs at 71 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20503BM (part number 4152043916)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP, energy efficient, oil lubricated screw element\u003c\/li\u003e\n\u003cli\u003eAir delivery: 54 CFM free air delivery, measured to ISO 1217 Annex C at 138 PSI\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 71 dBA, measured to ISO 2151:2004 by the ISO 9614\/2 sound intensity method\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank and no dryer\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 516 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 37 x 28 x 40 in (L x W x H)\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block with vertical oil separation\u003c\/li\u003e\n\u003cli\u003eDigital controller for operating parameters and programmed maintenance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\u003cp\u003eA rotary screw is rated for 100 percent duty, so it holds line pressure through a full shift instead of recovering between jobs. That is the reason to move off a piston machine that is cycling hard, running hot and filling the room with noise. ABAC builds the AS-B range around a new generation air end: a fully integrated aluminum block with eco-friendly vertical oil separation, paired with an energy efficient motor, which together hold down air loss, vibration and noise. Oil consumption stays low, and the digital controller keeps operating parameters and the programmed maintenance schedule on the panel rather than on a clipboard. At 37 x 28 x 40 in this is one of the smaller 20 HP footprints available, which is what lets it sit near the point of use instead of in a dedicated compressor room.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003ePressure and flow trade against each other across the AS-20 range on an identical 516 lb chassis. The \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20253BM at 125 PSI\u003c\/a\u003e carries 60.6 CFM, this 150 PSI build carries 54 CFM, and the \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003eAS-20753BM at 175 PSI\u003c\/a\u003e carries 48.5 CFM. Specify the pressure your tools actually call for rather than the highest number on the list, because every step up costs flow. One size down, the \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e15 HP AS-15503BM\u003c\/a\u003e delivers 46.4 CFM at the same 150 PSI, and one size up the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e25 HP AS-25503BM\u003c\/a\u003e delivers 92.2 CFM. If you would rather not source and plumb a receiver separately, the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20503TM\u003c\/a\u003e arrives on a 131 gallon tank and the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-20503TMD\u003c\/a\u003e adds an integrated dryer on the same base.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, machine shops running several cells at once, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, pneumatic controls and conveying, and any operation where a reciprocating compressor is working too hard to hold line pressure. ABAC rates the AS-B range for automotive and industrial work. A rotary screw is built for continuous duty, so it holds steady line pressure through a full shift instead of recovering between jobs, and the compact footprint lets it sit close to the point of use.\u003c\/p\u003e\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size a receiver to your demand and pipe it downstream of the compressor, then add moisture control if the air goes to paint, tires, controls or anything that hates water. Size the dryer above this machine's 54 CFM output, which makes the \u003ca href=\"\/products\/abac-cool-75-refrigerated-air-dryer-115v\"\u003eABAC COOL 75 refrigerated air dryer\u003c\/a\u003e the usual starting point, and it runs on 115V so it plugs in beside the compressor. Keep oil, the oil filter and a separator element on the shelf as the routine service items. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer range\u003c\/a\u003e. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67577764970771,"sku":"4152043916","price":10318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20503bm.png?v=1790951864"},{"product_id":"abac-as-20-20-hp-base-mount-175-psi-rotary-screw-air-compressor","title":"ABAC AS-20753BM 20 HP Rotary Screw Air Compressor - Base Mount, 175 PSI, 48.5 CFM, 71 dBA","description":"\u003cp\u003eThe ABAC AS-20753BM is a 20 HP rotary screw air compressor built for shops that need 175 PSI held steady all shift rather than recovered between jobs. It delivers 48.5 CFM free air delivery at a 175 PSI maximum and runs at 71 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20753BM (ABAC part number 4152043917)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP, energy-efficient, 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eAir delivery: 48.5 CFM free air delivery, measured to ISO 1217 Annex C\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 175 PSI maximum\u003c\/li\u003e\n\u003cli\u003eNoise level: 71 dBA, measured to ISO 2151:2004 using ISO 9614\/2\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank and no dryer\u003c\/li\u003e\n\u003cli\u003eWeight: 520 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 37 x 28 x 40 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block airend\u003c\/li\u003e\n\u003cli\u003eVertical oil separation technology for low oil carryover\u003c\/li\u003e\n\u003cli\u003eDigital controller with programmed maintenance menus\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInside the AS-B airend\u003c\/h3\u003e\u003cp\u003eABAC builds the AS-B range around a fully integrated aluminum block airend, an energy-efficient motor and vertical oil separation technology. The design targets limited air loss, low oil carryover, long service life and low noise and vibration, which is what lets a screw run loaded through a full shift where a reciprocating machine would be heat soaked and cycling. The digital controller handles start and stop and load and unload, and carries menu driven programmed maintenance, so service intervals are tracked by the machine rather than guessed at. ABAC designs the AS-B cabinet as one of the smallest footprints in its class, which is why a 20 HP machine fits a 37 by 28 inch plan.\u003c\/p\u003e\u003ch3\u003eWhat 175 PSI costs you\u003c\/h3\u003e\u003cp\u003ePressure and flow trade against each other on the same 20 HP motor. The \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e125 PSI AS-20253BM\u003c\/a\u003e gives 60.6 CFM, the \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e150 PSI AS-20503BM\u003c\/a\u003e gives 54 CFM, and this 175 PSI build gives 48.5 CFM. That is roughly 12 CFM given up against the 125 PSI machine for 50 PSI of extra headroom, on a cabinet that weighs 520 lbs instead of 516 and occupies the same floor plan. Specify 175 PSI when a tool, a press or a process genuinely needs the pressure at the point of use, not as insurance against undersized piping. If the line pressure problem is actually pressure drop, larger pipe is cheaper than 12 CFM.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eStepping down, the 15 HP \u003ca href=\"\/products\/abac-as-15-15-hp-base-mount-175-psi-rotary-screw-air-compressor\"\u003eAS-15753BM\u003c\/a\u003e delivers 41.7 CFM at the same 175 PSI and 69 dBA, in the same 37 by 28 inch cabinet, so the choice between them is purely airflow rather than floor space. If you want the receiver and the plumbing solved in one purchase instead, the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-175-psi-rotary-screw-air-compressor\"\u003etank mount AS-20753TM\u003c\/a\u003e puts the same airend on an ASME receiver at 818 lbs, and the \u003ca href=\"\/products\/abac-as-20-20-hp-131-gallon-tank-mount-dryer-175-psi-rotary-screw-air-compressor\"\u003etank mount with integrated dryer AS-20753TMD\u003c\/a\u003e adds moisture control on the same base.\u003c\/p\u003e\u003ch3\u003eBase mount or tank mount\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. You pick the receiver, you pick where it sits, and you can oversize the tank to smooth a peaky demand profile without buying a bigger compressor. A shop that draws air in heavy bursts, a blast cabinet or a press that cycles hard, benefits more from stored air than from extra CFM, and on a base mount build that choice stays yours. It also means the compressor can sit close to the point of use while the receiver lives wherever there is room for it.\u003c\/p\u003e\u003ch3\u003ePlanning the installation\u003c\/h3\u003e\u003cp\u003eLeave clearance around the cabinet for cooling airflow and keep front access clear for service. Run the machine on a three-phase circuit sized to the motor nameplate, and confirm which of the 208, 230 or 460 volt taps your panel supplies before the electrician arrives. Oil, oil filter, air filter and separator element are the consumables on a screw compressor, and keeping a set on the shelf is what stops a routine service from becoming downtime. At 520 lbs this is a forklift or pallet jack delivery, not a two-person lift.\u003c\/p\u003e\u003ch3\u003eDrying the air it makes\u003c\/h3\u003e\u003cp\u003eA rotary screw delivers warm, saturated air, and 48.5 CFM of it will carry a lot of water into your lines if nothing removes it. Size a refrigerated dryer above the compressor's output rather than level with it, so the dryer is not working at its limit on a hot day. The \u003ca href=\"\/products\/abac-cool-65-refrigerated-air-dryer-115v\"\u003eABAC COOL 65 refrigerated air dryer\u003c\/a\u003e sits comfortably above this machine's 48.5 CFM, and the rest of the sizes are in the \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003eABAC COOL dryer range\u003c\/a\u003e. Check the dryer's maximum working pressure against your 175 PSI line before you specify, and add a filter ahead of any finishing, instrument or breathing-adjacent air.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, multi-bay automotive and fleet service, tire and truck shops, cabinet and woodworking plants, blast and finishing booths, and any operation running high pressure tooling where a reciprocating compressor is loaded most of the shift just to hold line pressure. A rotary screw is built for continuous duty, so it keeps a steady line pressure through the whole shift instead of recovering between jobs. At 48.5 CFM and 175 PSI this machine will carry several high pressure tools at once, which is usually the point at which a plant stops adding piston compressors and consolidates on one screw.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our wider range of \u003ca href=\"\/collections\/air-compressors\"\u003estationary air compressors\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCFM quoted as free air delivery, measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2 (sound intensity method).\u003c\/em\u003e\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67577765200147,"sku":"4152043917","price":10318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20753bm.png?v=1790951864"},{"product_id":"abac-as-20s-20-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-20S253BM 20 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 81.9 CFM, 67 dBA","description":"\u003cp\u003eThe ABAC AS-20S253BM is a 20 HP rotary screw air compressor for shops that need a lot of air, quietly, across a full shift. It delivers 81.9 CFM at 125 PSI and runs at 67 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20S253BM (part number 4152028455)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 81.9 CFM, free air delivery per ISO 1217 Annex C\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 67 dBA, measured per ISO 2151:2004\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 690 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 44 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco friendly vertical oil separation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. A rotary screw is designed for continuous duty, so it maintains a steady line pressure through a full shift instead of recovering between jobs.\u003c\/p\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eBecause this is a base mount machine, settle the receiver before it arrives. The tank has to suit the duty cycle and the size of the largest single air draw on the system, and an undersized one will make a 20 HP screw cycle more than it should. At 44 x 31 x 49 inches and 690 lbs this is a set in place unit, so check the door width and the floor route in advance. Run it on a dedicated three-phase circuit sized to the motor nameplate, and leave clear space on the cooling air side so the package is not recirculating its own hot air. Oil, oil filter, air filter and separator element are the scheduled service items on a screw package, and keeping a spare set on the shelf stops a routine service from turning into downtime.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eThe S in AS-20S is the difference worth understanding: against the standard \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20253BM\u003c\/a\u003e at the same 20 HP and the same 125 PSI, this machine delivers 81.9 CFM instead of 60.6 CFM and runs at 67 dBA instead of 71 dBA. That is roughly 21 CFM more air from the same motor rating, which is what shops reach for when sandblasting, plasma cutting, or several bays running at once are pulling a standard 20 HP unit down. If your tools need a higher line pressure instead of maximum volume, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503BM\u003c\/a\u003e holds 150 PSI at 78 CFM from the same 690 lb, 44 x 31 x 49 in package.\u003c\/p\u003e\u003ch3\u003eSizing the rest of the system\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system: pair it with a receiver sized to your demand, then add a dryer downstream if your air tools or finishing work need moisture control. If you would rather buy the moisture control already matched, mounted and wired, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253BMD\u003c\/a\u003e adds an integrated refrigerated dryer on the same base, and the \u003ca href=\"\/products\/abac-as-20s-20-hp-132-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253TMD\u003c\/a\u003e arrives as a complete station on a 132 gallon receiver. Buying the dryer separately instead? Size it above 81.9 CFM from our \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryers\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the \u003ca href=\"\/collections\/atlas-copco\"\u003eAtlas Copco group\u003c\/a\u003e, built around a fully integrated aluminum block, eco friendly vertical oil separation and an energy efficient motor. Browse the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67616182665491,"sku":"4152028455","price":15344.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20s253bm.png?v=1791641441"},{"product_id":"abac-as-20s-20-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-20S503BM 20 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 78 CFM, 67 dBA","description":"\u003cp\u003eThe ABAC AS-20S503BM is a 20 HP rotary screw air compressor for shops that need a high volume of air at 150 PSI, quietly, across a full shift. It delivers 78 CFM at 150 PSI and runs at 67 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20S503BM (part number 4152028456)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 78 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 67 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 690 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 44 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco friendly vertical oil separation\u003c\/li\u003e\n\u003cli\u003eDuty: continuous\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation running air tools that call for a 150 PSI supply rather than the usual 125. ABAC positions the AS-B 20S to 30 HP range at demanding automotive and industrial work that needs a reliable and continuous supply, and that is the right way to read this machine: a rotary screw is built for continuous duty, so it holds a steady line pressure through a full shift instead of recovering between jobs.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eThe S in AS-20S is the difference worth understanding: against the standard \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20503BM\u003c\/a\u003e at the same 20 HP and the same 150 PSI, this machine delivers 78 CFM instead of 54 CFM and runs at 67 dBA instead of 71 dBA. That is roughly 24 CFM more air from the same motor rating, which is what shops reach for when sandblasting, plasma cutting, or several bays running at once are pulling a standard 20 HP unit down. If your tools run fine at 125 PSI and you want maximum volume instead, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253BM\u003c\/a\u003e gives you 81.9 CFM from the same 690 lb, 44 x 31 x 49 in package.\u003c\/p\u003e\u003cp\u003eStepping up the range costs nothing in floor space, because the 25 and 30 HP base mount machines use the same 44 x 31 x 49 in cabinet. At 150 PSI the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-25503BM\u003c\/a\u003e carries 92.2 CFM at 69 dBA and 723 lbs, and the \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BM\u003c\/a\u003e carries 103.1 CFM at 70 dBA and 759 lbs. Each step up the range is also a step up in noise, so if the compressor shares a room with people, the 67 dBA of the AS-20S is worth protecting.\u003c\/p\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eBecause this is a base mount machine, settle the receiver before it arrives. The tank has to suit the duty cycle and the size of the largest single air draw on the system, and an undersized one will make a 20 HP screw cycle more than it should. ABAC's own tank mount build of this compressor, the AS-20S503TMD, pairs it with a 132 gallon receiver, which is a sound starting point when sizing a tank for 78 CFM. At 44 x 31 x 49 in and 690 lbs this is a set in place unit, so check the door width and the floor route in advance.\u003c\/p\u003e\u003cp\u003eRun it on a dedicated three-phase circuit sized to the motor nameplate, and leave clear space on the cooling air side so the package is not recirculating its own hot air. Oil, oil filter, air filter and separator element are the scheduled service items on a screw package, and keeping a spare set on the shelf stops a routine service from turning into downtime.\u003c\/p\u003e\u003ch3\u003eSizing the rest of the system\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system: pair it with a receiver sized to your demand, then add a dryer downstream if your air tools or finishing work need moisture control. If you would rather buy the moisture control already matched, mounted and wired, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503BMD\u003c\/a\u003e adds an integrated refrigerated dryer on the same base at 798 lbs, and the \u003ca href=\"\/products\/abac-as-20s-20-hp-132-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503TMD\u003c\/a\u003e arrives as a complete station on a 132 gallon receiver. Buying the dryer separately instead? Size it above 78 CFM from our \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryers\u003c\/a\u003e, and see our \u003ca href=\"\/collections\/vertical-air-compressor-tanks\"\u003evertical air receiver tanks\u003c\/a\u003e and \u003ca href=\"\/collections\/horizontal-air-compressor-tanks\"\u003ehorizontal air receiver tanks\u003c\/a\u003e for the receiver itself.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the \u003ca href=\"\/collections\/atlas-copco\"\u003eAtlas Copco group\u003c\/a\u003e, built around a fully integrated aluminum block, eco friendly vertical oil separation and an energy efficient motor, with an air end designed to limit air loss, noise and vibration. Browse the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed rotary screw air compressors\u003c\/a\u003e.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67616404111635,"sku":"4152028456","price":15344.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20s503bm.png?v=1791644988"},{"product_id":"abac-as-20s-20-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor","title":"ABAC AS-20S253BMD 20 HP Rotary Screw Air Compressor - Base Mount with Dryer, 125 PSI, 81.9 CFM, 67 dBA","description":"\u003cp\u003eThe ABAC AS-20S253BMD pairs a 20 HP rotary screw compressor with a matched refrigerated dryer on one base, so the air leaving the package is already dry and ready to pipe. It delivers 81.9 CFM at 125 PSI and runs at 67 dBA. This is the base mount build, which means no receiver on board: it feeds a tank you already own, or one sized to the demand you actually have. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20S253BMD (part number 4152028461)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 81.9 CFM, free air delivery per ISO 1217 Annex C\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 67 dBA, measured per ISO 2151:2004\u003c\/li\u003e\n\u003cli\u003eIntegrated refrigerated air dryer, matched, mounted and wired at the factory\u003c\/li\u003e\n\u003cli\u003eMounting: base mount with integrated dryer, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 798 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 55 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco friendly vertical oil separation\u003c\/li\u003e\n\u003cli\u003eDuty: continuous\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, machine shops running several cells at once, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and spray finishing or powder coating work where water in the line spoils tools, air logic or finish quality. ABAC positions the AS-B 20S to 30 HP range at demanding automotive and industrial work needing a reliable and continuous supply, and that is the right way to read this machine. A rotary screw is built for continuous duty, so it holds a steady line pressure through a full shift instead of recovering between jobs, and drying the air at the compressor keeps condensate out of the distribution piping rather than leaving it for traps and filters downstream to catch.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eThe S in AS-20S is the difference worth understanding: against the standard \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20253BM\u003c\/a\u003e at the same 20 HP and the same 125 PSI, this machine delivers 81.9 CFM instead of 60.6 CFM and runs at 67 dBA instead of 71 dBA. That is roughly 21 CFM more air from the same motor rating, which is the step shops make when sandblasting, plasma cutting or several bays running at once keep pulling a standard 20 HP unit down. Against the plain \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253BM\u003c\/a\u003e base mount, this BMD adds the dryer already matched, mounted and wired, at 798 lbs and 55 inches long rather than 690 lbs and 44 inches. If you would rather the receiver came with it, the \u003ca href=\"\/products\/abac-as-20s-20-hp-132-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253TMD\u003c\/a\u003e is the same compressor and dryer on a 132 gallon tank at 1297 lbs. For higher line pressure, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003e150 PSI AS-20S503BMD\u003c\/a\u003e trades flow for pressure at 78 CFM on the same 798 lb base. Stepping up the range costs nothing in floor space, because the 25 and 30 HP base mount machines with dryer share the same 55 x 31 x 49 in cabinet: the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-25253BMD\u003c\/a\u003e carries 98.9 CFM at 69 dBA and 831 lbs.\u003c\/p\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eAt 55 x 31 x 49 inches and 798 lbs this is a set in place unit, so check the door width and the floor route in advance. Run it on a dedicated three-phase circuit sized to the motor nameplate, leave clear space on the cooling air side so the package is not recirculating its own hot air, and route the dryer condensate to a drain point or an oil water separator rather than onto the shop floor. Oil, oil filter, air filter and separator element are the scheduled service items on a screw package, and keeping a spare set on the shelf stops a routine service from turning into downtime.\u003c\/p\u003e\u003ch3\u003eSizing the receiver\u003c\/h3\u003e\u003cp\u003eA base mount unit needs an air receiver to buffer demand and to let the dryer work against a steady flow. The tank has to suit the duty cycle and the size of the largest single air draw on the system, and an undersized one will make a 20 HP screw cycle more than it should. ABAC's own tank mount build of this machine, the AS-20S253TMD, pairs it with a 132 gallon receiver, which is a sound starting point when sizing a tank for 81.9 CFM. See our \u003ca href=\"\/collections\/vertical-air-compressor-tanks\"\u003evertical air receiver tanks\u003c\/a\u003e and \u003ca href=\"\/collections\/horizontal-air-compressor-tanks\"\u003ehorizontal air receiver tanks\u003c\/a\u003e, and settle the receiver before the machine arrives so the installer can pipe it in on the same visit.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the \u003ca href=\"\/collections\/atlas-copco\"\u003eAtlas Copco group\u003c\/a\u003e, built around a fully integrated aluminum block, eco friendly vertical oil separation technology and an energy efficient motor, with an air end designed to limit air loss, noise and vibration. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e, our \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed rotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer\u003c\/a\u003e range.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2 (sound intensity method).\u003c\/em\u003e\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67616457359635,"sku":"4152028461","price":18536.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20s-base-mount-dryer-rotary-screw-air-compressor.png?v=1791476139"},{"product_id":"abac-as-20s-20-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor","title":"ABAC AS-20S503BMD 20 HP Rotary Screw Air Compressor - Base Mount with Dryer, 150 PSI, 78 CFM, 67 dBA","description":"\u003cp\u003eThe ABAC AS-20S503BMD is a 20 HP rotary screw air compressor with an integrated refrigerated dryer on a single base, so the air leaving the package is already dry and ready to pipe. It delivers 78 CFM at 150 PSI and runs at 67 dBA. This is the base mount build, so it ships without a receiver and plumbs into a tank you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-20S503BMD (part number 4152028462)\u003c\/li\u003e\n\u003cli\u003eMotor: 20 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 78 CFM, free air delivery per ISO 1217 Annex C\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 67 dBA, measured per ISO 2151:2004\u003c\/li\u003e\n\u003cli\u003eIntegrated refrigerated air dryer, matched, mounted and wired at the factory\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 798 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 55 x 31 x 49 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, plasma cutting, pneumatic controls and air logic, and spray finishing where moisture in the line spoils tools or finish quality. A rotary screw is designed for continuous duty, so it holds steady line pressure through a full shift rather than recovering between jobs, and drying the air at the compressor keeps condensate out of the distribution piping instead of leaving it for traps and filters downstream to catch.\u003c\/p\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eAt 55 x 31 x 49 inches and 798 lbs this is a set in place machine, so check the door width and the floor route before delivery day. Run it on a dedicated three-phase circuit sized to the motor nameplate, leave clear space on the cooling air side so the package is not recirculating its own hot air, and route the dryer condensate to a drain point or an oil water separator rather than onto the shop floor. Oil, oil filter, air filter and separator element are the scheduled service items on a screw package, and keeping a spare set on the shelf stops a routine service from turning into downtime.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eThe S in AS-20S is the difference worth understanding. Against the standard \u003ca href=\"\/products\/abac-as-20-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20503BM\u003c\/a\u003e at the same 20 HP and the same 150 PSI, this machine delivers 78 CFM instead of 54 CFM and runs at 67 dBA instead of 71 dBA. That is roughly 24 CFM more air from the same motor rating, which is what shops reach for when sandblasting, plasma cutting or several bays at once pull a standard 20 HP unit down. Within the AS-20S range the pressure choice costs a little flow: the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003e125 PSI AS-20S253BMD\u003c\/a\u003e carries 81.9 CFM on the same 798 lb, 55 by 31 inch base. Dropping the dryer gives the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503BM\u003c\/a\u003e at 690 lbs on a 44 inch base, and adding a receiver gives the \u003ca href=\"\/products\/abac-as-20s-20-hp-132-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503TMD\u003c\/a\u003e, the same compressor and dryer mounted on a 132 gallon tank at 1297 lbs.\u003c\/p\u003e\u003ch3\u003eSizing the receiver\u003c\/h3\u003e\u003cp\u003eA base mount unit needs an air receiver to buffer demand and let the dryer work against a steady flow. An undersized tank will make a 20 HP screw cycle more than it should. ABAC's own tank mount build of this machine, the AS-20S503TMD, pairs it with a 132 gallon receiver, which is a sound starting point when sizing a tank for 78 CFM. See our \u003ca href=\"\/collections\/vertical-air-compressor-tanks\"\u003evertical air receiver tanks\u003c\/a\u003e and \u003ca href=\"\/collections\/horizontal-air-compressor-tanks\"\u003ehorizontal air receiver tanks\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the \u003ca href=\"https:\/\/aircompressorstore.com\/collections\/atlas-copco\"\u003eAtlas Copco group\u003c\/a\u003e, built around a fully integrated aluminum block, vertical oil separation technology and an energy-efficient motor. See the rest of the \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed rotary screw air compressors\u003c\/a\u003e.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67616494453011,"sku":"4152028462","price":18536.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-20s503bmd-base-mount-dryer-rotary-screw-air-compressor.png?v=1791479301"},{"product_id":"abac-as-25-25-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-25253BM 25 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 98.9 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-25253BM is a 25 HP rotary screw air compressor for plants that need high volume air without the noise and duty cycle limits of a reciprocating machine. It delivers 98.9 CFM at 125 PSI and runs at 69 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-25253BM (part number 4152028457)\u003c\/li\u003e\n\u003cli\u003eMotor: 25 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 98.9 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 723 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 44 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eVertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven operation and programmed maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. A rotary screw is designed for continuous duty, so it maintains a steady line pressure through a full shift instead of recovering between jobs. At 98.9 CFM this machine will carry a bank of impact tools and sanders, a plasma table, a blast cabinet, or a paint booth running alongside the rest of the shop, which is the point at which most plants stop adding piston compressors and consolidate on one screw.\u003c\/p\u003e\u003ch3\u003eWhere it sits in the range\u003c\/h3\u003e\u003cp\u003eAt 98.9 CFM this 25 HP unit carries roughly 17 CFM more air than the 20 HP \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253BM\u003c\/a\u003e at the same 125 PSI, and the 30 HP \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-30253BM\u003c\/a\u003e steps up again to 114.1 CFM. All three share the same 44 x 31 x 49 in base mount cabinet, so moving up the range costs you nothing in floor space: the AS-25 adds about 33 lbs over the 20 HP machine and sits about 36 lbs under the 30 HP. This is the step a plant makes when added bays, a blast cabinet, or a continuous process leave the smaller machine running loaded almost all the time. If your line pressure needs more headroom, the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-25503BM\u003c\/a\u003e holds 150 PSI at 92.2 CFM on the same frame, trading about 6.7 CFM for the extra 25 PSI. Buy pressure only to the level your highest tool actually needs.\u003c\/p\u003e\u003ch3\u003ePlanning the installation\u003c\/h3\u003e\u003cp\u003eBase mount is the starting point for a modular compressed air system. Size the receiver to your demand and the way your shop draws air: a plant pulling in heavy bursts needs more stored air than one with a steady load. Leave clearance around the cabinet for cooling airflow and front access for service, and run the machine on a three-phase circuit sized to the motor nameplate. The digital controller handles start and stop, load and unload, and tracks service intervals, so routine maintenance is scheduled by the machine rather than by a calendar on the wall. Oil, oil filter, air filter and separator element are the consumables; keeping a set on the shelf is what stops a service call from becoming downtime.\u003c\/p\u003e\u003ch3\u003eDrying the air it makes\u003c\/h3\u003e\u003cp\u003eA screw compressor delivers warm, saturated air, and 98.9 CFM of it will put a lot of water into your lines if nothing removes it. Size the dryer above the compressor's output rather than level with it: the \u003ca href=\"\/products\/abac-cool-125-refrigerated-air-dryer-230v\"\u003eABAC COOL 125 refrigerated air dryer\u003c\/a\u003e is rated 125 CFM with a 232 PSI maximum working pressure, which leaves real headroom over this machine at 125 PSI. If you would rather buy the dryer already matched, mounted and wired, the same 25 HP air end is sold as the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-25253BMD\u003c\/a\u003e base mount package, or as a \u003ca href=\"\/products\/abac-as-25-25-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003etank mount with an integrated dryer\u003c\/a\u003e when you want the receiver in the same purchase. Add a filter ahead of any finishing or instrument air.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryers\u003c\/a\u003e.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67617967800595,"sku":"4152028457","price":16036.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-b25-bm.png?v=1791486444"},{"product_id":"abac-as-25-25-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-25503BM 25 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 92.2 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-25503BM is a 25 HP rotary screw air compressor for plants that need high volume air at a higher line pressure without the noise and duty cycle limits of a reciprocating machine. It delivers 92.2 CFM at 150 PSI and runs at 69 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. The package is 723 lbs in a 44 x 31 x 49 in footprint, under four feet of wall. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-25503BM (part number 4152028458)\u003c\/li\u003e\n\u003cli\u003eMotor: 25 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 92.2 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460V \/ 3-phase \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003eWeight: 723 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 44 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eVertical three-stage oil separation\u003c\/li\u003e\n\u003cli\u003eController with energy optimization, remote start and stop, running and loaded hour display, and service and failure warnings\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat is inside\u003c\/h3\u003e\u003cp\u003eABAC builds the AS-B range around a fully integrated aluminum block and an air end designed to limit air loss, which is where a screw compressor either earns or wastes the power it draws. Vertical three-stage oil separation is the other half of that: ABAC rates the design at up to 10 percent lower carbon footprint than the layout it replaced, and it is what keeps carryover down so the oil stays in the machine rather than in your air lines. Noise and vibration were engineered down at the same time, which is how a 25 HP machine lands at 69 dBA instead of the mid 80s a comparable reciprocating unit would hold all shift.\u003c\/p\u003e\u003cp\u003eThe controller is where running cost shows up day to day. It handles energy optimization, accepts a remote start and stop signal, and displays running time against loaded time, which is the most useful single number for working out whether the machine is correctly sized for the shop. It also raises service and failure warnings, so maintenance lands on schedule rather than after a failure. Food grade oil and coalescing filters are available as options rather than standard equipment, so specify them up front if your work calls for them.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eThis is the 150 PSI build of the 25 HP base mount machine. Choosing it over the 125 PSI \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-25253BM\u003c\/a\u003e trades flow for pressure: 92.2 CFM here against 98.9 CFM there, on the same frame and the same 69 dBA. Buy the pressure only if your tooling, presses or plant header actually need it, because pressure you regulate away at the drop is energy you paid for. Against the neighboring motor sizes at 150 PSI, the 20 HP \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503BM\u003c\/a\u003e gives 78 CFM at 690 lbs and the 30 HP \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BM\u003c\/a\u003e gives 103.1 CFM at 759 lbs. All three share the same 44 x 31 x 49 in base mount cabinet, so moving up or down the range costs you nothing in floor space.\u003c\/p\u003e\u003cp\u003eOn configuration, base mount is the starting point for a modular system. The \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-25503BMD\u003c\/a\u003e is the same compressor with an integrated dryer on the skid, 831 lbs on a 55 x 31 x 49 in base, and the \u003ca href=\"\/products\/abac-as-25-25-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-25503TMD\u003c\/a\u003e puts compressor, receiver and dryer into one tank mounted package at 1,330 lbs. Choose base mount when you already have a receiver, when you want the dryer sized independently, or when the mechanical room makes a tall tank mounted unit awkward to place.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, automotive and fleet service bays, tire and truck shops, cabinet and woodworking shops, and any operation where a reciprocating compressor is working too hard to hold line pressure. A rotary screw is designed for continuous duty, so it maintains a steady line pressure through a full shift instead of recovering between jobs. At 150 PSI that matters most where line loss across a long run of pipe would otherwise drop a 125 PSI system below what the tool at the end of it needs.\u003c\/p\u003e\u003ch3\u003eSizing the rest of the system\u003c\/h3\u003e\u003cp\u003eBase mount means the receiver is yours to specify. A common rule of thumb is roughly 4 gallons of storage per CFM for intermittent demand, so a 25 HP machine at 92.2 CFM typically sits behind a 350 to 450 gallon receiver, less if the load is steady. Size the receiver and the piping for the higher working pressure, leave clearance around the cabinet for cooling airflow and front access for service, and run the machine on a three-phase circuit sized to the motor nameplate. If your air reaches paint, instruments, pneumatic controls or anything that corrodes, put a \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer\u003c\/a\u003e downstream rated to at least the compressor's full output, with a filter and regulator ahead of the point of use. Oil, oil filter and separator element are the service items to keep on the shelf.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed rotary screw\u003c\/a\u003e line.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67618139308307,"sku":"4152028458","price":16036.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-b25-bm_20db1199-28d1-4941-b1a7-d8476f7a58e9.png?v=1791490023"},{"product_id":"abac-as-25-25-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor","title":"ABAC AS-25253BMD 25 HP Rotary Screw Air Compressor - Base Mount with Dryer, 125 PSI, 98.9 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-25253BMD is the 25 HP base mount machine in the AS-B screw range with a refrigerated dryer already built into the cabinet. It delivers 98.9 CFM at a 125 PSI maximum and runs at 69 dBA, so it can sit on the shop floor rather than in a separate compressor room. Base mount means it ships without a receiver and plumbs into an air tank you already own or one sized to the job. With the dryer on board it measures 55 x 31 x 49 in and weighs 831 lbs. Power is 208-230-460V three-phase.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: AS-25253BMD (part number 4152028463)\u003c\/li\u003e\n\u003cli\u003eMotor: 25 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 98.9 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount with integrated refrigerated dryer, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 831 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 55 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco-friendly vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven access for optimizing operating performance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat the integrated dryer changes\u003c\/h3\u003e\n\u003cp\u003eEvery rotary screw sends warm, saturated air downstream, and that water is what rusts piping, freezes air logic, pits tooling and ruins a paint finish. A standalone dryer solves it but has to be sized, bought, given floor space, wired and plumbed. On the BMD build the dryer is matched to the air end at the factory, mounted in the same cabinet and wired with the compressor, so one electrical connection and one air outlet finish the installation. The cost is length: the dryer adds 11 inches and 108 lbs over the plain base mount, which is still far less floor space than a separate dryer standing beside the compressor. If a filter stack and an oil water separator are also going in, plan their wall space when you lay the machine out.\u003c\/p\u003e\n\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\n\u003cp\u003eA piston compressor builds air in bursts and needs time to cool between them. A rotary screw is rated for continuous duty, so it holds a flat line pressure through a full shift instead of sagging and recovering between jobs. That is why shops using air most of the day move off a reciprocating machine that is cycling hard, running hot and filling the room with noise. The trade is that a screw dislikes short cycling, so it wants a receiver sized to its output and a demand pattern that keeps it loaded.\u003c\/p\u003e\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eAcross the AS-B range pressure, airflow, dryer and mounting all move independently. The \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-25503BMD\u003c\/a\u003e is the same machine set for 150 PSI, trading airflow down to 92.2 CFM in an identical cabinet. If your air is already dry, or you own a dryer that is correctly sized, the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-25253BM\u003c\/a\u003e is the same 98.9 CFM air end without the dryer at 723 lbs and 44 x 31 x 49 in. Stepping down, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-20S253BMD\u003c\/a\u003e gives 81.9 CFM at a quieter 67 dBA; stepping up, the \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-30253BMD\u003c\/a\u003e carries 114.1 CFM at 70 dBA. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-25-25-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-25253TMD\u003c\/a\u003e puts the same air end and dryer on a tank. Buy pressure only to the level your highest tool actually needs, because every step up costs airflow.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eProduction and fabrication floors, machine shops running several CNC cells, automotive and fleet service bays, tire and truck shops, plasma and laser tables, packaging lines, spray finishing and any plant where moisture in the line is spoiling tools, air logic or finish quality. At 98.9 CFM it keeps a bank of air ratchets, sanders, a continuous blow off or a small sandblast cabinet fed through a shift. The base mount build is also the one to buy when you are replacing a compressor on an existing system and keeping the receiver and piping already in place.\u003c\/p\u003e\n\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\n\u003cp\u003eSize a receiver to your demand rather than to the pipe, give the cabinet clear air on the cooling side, keep the room out of the heat, and run the unit on its own circuit sized to the motor nameplate. Oil, oil filter and separator element are the service items, and the digital controller tracks the intervals. Behind the dryer, a coalescing filter protects paint and instrument air, and a condensate drain plus an oil water separator keeps the water the dryer pulls out of your floor and out of the drain line. See our \u003ca href=\"\/collections\/coalescing-air-filters\"\u003ecoalescing air filters\u003c\/a\u003e, \u003ca href=\"\/collections\/condensate-drains\"\u003econdensate drains\u003c\/a\u003e and \u003ca href=\"\/collections\/oil-water-separator\"\u003eoil water separators\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressor\u003c\/a\u003e range. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614\/2 (sound intensity method).\u003c\/em\u003e\u003c\/p\u003e\n","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67618572763411,"sku":"4152028463","price":19331.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-b25-bmd.png?v=1791289473"},{"product_id":"abac-as-25-25-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor","title":"ABAC AS-25503BMD 25 HP Rotary Screw Air Compressor - Base Mount with Dryer, 150 PSI, 92.2 CFM, 69 dBA","description":"\u003cp\u003eThe ABAC AS-25503BMD is the 25 HP base mount machine in the AS-B screw range with a refrigerated dryer already built into the cabinet. It delivers 92.2 CFM at a 150 PSI maximum and runs at 69 dBA, so it can sit on the shop floor rather than in a separate compressor room. Base mount means it ships without a receiver and plumbs into an air tank you already own or one sized to the job. With the dryer on board it measures 55 x 31 x 49 in and weighs 831 lbs. Power is 208-230-460V three-phase.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: AS-25503BMD (part number 4152028464)\u003c\/li\u003e\n\u003cli\u003eMotor: 25 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 92.2 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 69 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount with integrated refrigerated dryer, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 831 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 55 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco-friendly vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven access for optimizing operating performance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy 150 PSI, and what it costs you\u003c\/h3\u003e\n\u003cp\u003ePressure and flow move against each other on the same air end. At 150 PSI this machine gives 92.2 CFM; the 125 PSI build of the identical cabinet gives 98.9 CFM. That is roughly 7 percent of your airflow spent on the extra 25 PSI, and you pay for it in energy every hour the compressor runs. Buy the 150 PSI version when something real needs it: press and clamp circuits, higher pressure tooling, a long distribution run where line loss eats into delivered pressure, or a plant header you cannot re-pipe. If every drop in the shop is regulated down to 90 or 100 PSI anyway, the 125 PSI machine is the better buy and the cheaper one to run.\u003c\/p\u003e\n\u003ch3\u003eWhat the integrated dryer changes\u003c\/h3\u003e\n\u003cp\u003eEvery rotary screw sends warm, saturated air downstream, and that water is what rusts piping, freezes air logic, pits tooling and ruins a paint finish. A standalone dryer solves it but has to be sized, bought, given floor space, wired and plumbed. On the BMD build the dryer is matched to the air end at the factory, mounted in the same cabinet and wired with the compressor, so one electrical connection and one air outlet finish the installation. The cost is length: the dryer adds 11 inches and 108 lbs over the plain base mount, which is still far less floor space than a separate dryer standing beside the compressor. If a filter stack and an oil water separator are also going in, plan their wall space when you lay the machine out.\u003c\/p\u003e\n\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\n\u003cp\u003eA piston compressor builds air in bursts and needs time to cool between them. A rotary screw is rated for continuous duty, so it holds a flat line pressure through a full shift instead of sagging and recovering between jobs. That is why shops using air most of the day move off a reciprocating machine that is cycling hard, running hot and filling the room with noise. The trade is that a screw dislikes short cycling, so it wants a receiver sized to its output and a demand pattern that keeps it loaded.\u003c\/p\u003e\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eAcross the AS-B range pressure, airflow, dryer and mounting all move independently. The \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-25253BMD\u003c\/a\u003e is the same machine set for 125 PSI, trading pressure for airflow at 98.9 CFM in an identical 55 x 31 x 49 in cabinet. If your air is already dry, or you own a dryer that is correctly sized, the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-25503BM\u003c\/a\u003e is the same 92.2 CFM air end without the dryer at 723 lbs and 44 x 31 x 49 in. Stepping down, the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503BMD\u003c\/a\u003e gives 78 CFM at a quieter 67 dBA and 798 lbs; stepping up, the \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BMD\u003c\/a\u003e carries 103.1 CFM at 70 dBA and 867 lbs. All four BMD builds share the same 55 x 31 x 49 in footprint, so moving up or down the range costs you nothing in floor space. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-25-25-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-25503TMD\u003c\/a\u003e puts the same air end and dryer on a tank.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eProduction and fabrication floors, machine shops running several CNC cells, automotive and fleet service bays, tire and truck shops, plasma and laser tables, packaging lines, press and clamp circuits, spray finishing, and any plant where moisture in the line is spoiling tools, air logic or finish quality. At 92.2 CFM it keeps a bank of air ratchets, sanders, a continuous blow off or a small sandblast cabinet fed through a shift. The base mount build is also the one to buy when you are replacing a compressor on an existing system and keeping the receiver and piping already in place.\u003c\/p\u003e\n\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\n\u003cp\u003eSize a receiver to your demand rather than to the pipe, give the cabinet clear air on the cooling side, keep the room out of the heat, and run the unit on its own circuit sized to the motor nameplate. Oil, oil filter and separator element are the service items, and the digital controller tracks the intervals. Behind the dryer, a coalescing filter protects paint and instrument air, and a condensate drain plus an oil water separator keeps the water the dryer pulls out of your floor and out of the drain line. See our \u003ca href=\"\/collections\/coalescing-air-filters\"\u003ecoalescing air filters\u003c\/a\u003e, \u003ca href=\"\/collections\/condensate-drains\"\u003econdensate drains\u003c\/a\u003e and \u003ca href=\"\/collections\/oil-water-separator\"\u003eoil water separators\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressor\u003c\/a\u003e range. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67618684928275,"sku":"4152028464","price":19332.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-b25-bmd_b0d7a708-8b61-4e4e-b043-3759b9776442.png?v=1791292935"},{"product_id":"abac-as-30-30-hp-base-mount-125-psi-rotary-screw-air-compressor","title":"ABAC AS-30253BM 30 HP Rotary Screw Air Compressor - Base Mount, 125 PSI, 114.1 CFM, 70 dBA","description":"\u003cp\u003eThe ABAC AS-30253BM is a 30 HP rotary screw air compressor for plants that have outgrown what a reciprocating machine can hold through a full shift. It delivers 114.1 CFM at 125 PSI and runs at 70 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. The package is 759 lbs in a 44 x 31 x 49 in footprint, which is a little over three feet of wall for the largest machine in the AS-B range. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-30253BM (part number 4152028459)\u003c\/li\u003e\n\u003cli\u003eMotor: 30 HP, energy-saving\u003c\/li\u003e\n\u003cli\u003eAir delivery: 114.1 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 70 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460V \/ 3-phase \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003eWeight: 759 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 44 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat is inside\u003c\/h3\u003e\u003cp\u003eABAC builds the AS-B range around a fully integrated aluminum block and an air end designed to limit air loss, which is where a screw compressor either earns or wastes the power it draws. The vertical oil separation system is the other half of that: ABAC rates the design at up to 10 percent lower carbon footprint than the layout it replaced, and it is also what keeps carryover down so the oil stays in the machine rather than in your air lines. Noise and vibration were engineered down at the same time, which is how a 30 HP machine lands at 70 dBA instead of the mid 80s a comparable reciprocating unit would hold all shift.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eTwo choices sit on either side of this model. On pressure, the \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BM\u003c\/a\u003e trades airflow for a 150 PSI ceiling and delivers 103.1 CFM, so take it only if a tool or process genuinely needs the higher line pressure, because the 11 CFM is real capacity you give up. On size, the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003e25 HP AS-25253BM\u003c\/a\u003e delivers 98.9 CFM at the same 125 PSI and 69 dBA for 723 lbs. The step from 25 to 30 HP buys roughly 15 CFM, which is the move a plant makes when added bays, a blast cabinet, or a continuous process leave the smaller compressor running loaded almost all the time.\u003c\/p\u003e\u003cp\u003eOn configuration, base mount is the starting point for a modular system. The \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-30253BMD\u003c\/a\u003e is the same compressor with an integrated dryer on the skid at 867 lbs, and the \u003ca href=\"\/products\/abac-as-30-30-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-30253TMD\u003c\/a\u003e puts compressor, receiver and dryer on one tank-mounted package. Choose base mount when you already have a receiver, when you want the dryer sized independently, or when the mechanical room makes a tall tank-mounted unit awkward to place.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication plants, automotive and fleet service facilities, tire and truck shops, woodworking and finishing operations, and any site running multiple air stations at once. A rotary screw is designed for continuous duty, so it holds a steady line pressure across a full shift instead of recovering between jobs. That is the difference that matters at this size: a reciprocating compressor large enough to deliver 114 CFM would be cycling and shedding heat, while the screw simply runs.\u003c\/p\u003e\u003ch3\u003eSizing the rest of the system\u003c\/h3\u003e\u003cp\u003eBase mount means the receiver is yours to specify. A common rule of thumb is roughly 4 gallons of storage per CFM for intermittent demand, so a 30 HP machine at 114.1 CFM typically sits behind a 400 to 500 gallon receiver, less if the load is steady. If your air reaches paint, instruments, pneumatic controls or anything that corrodes, put a \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer\u003c\/a\u003e downstream rated to at least the compressor's full output, with a filter and regulator ahead of the point of use. Oil, oil filter and separator element are the service items to keep on the shelf.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group, and the largest unit in that range. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and our full line of \u003ca href=\"\/collections\/air-compressors\"\u003estationary air compressors\u003c\/a\u003e.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67619610984723,"sku":"4152028459","price":17776.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-30253bm-base-mount-rotary-screw-air-compressor.png?v=1791652168"},{"product_id":"abac-as-30-30-hp-base-mount-150-psi-rotary-screw-air-compressor","title":"ABAC AS-30503BM 30 HP Rotary Screw Air Compressor - Base Mount, 150 PSI, 103.1 CFM, 70 dBA","description":"\u003cp\u003eThe ABAC AS-30503BM is a 30 HP rotary screw air compressor for plants that have outgrown what a reciprocating machine can hold through a full shift. It delivers 103.1 CFM at 150 PSI and runs at 70 dBA. This is the base mount version, so it ships without a tank and plumbs into an air receiver you already own or one sized to your demand. The package is 759 lbs in a 44 x 31 x 49 in footprint, a little over three feet of wall for the largest machine in the AS-B range. Power is 208-230-460V three-phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-30503BM (part number 4152028460)\u003c\/li\u003e\n\u003cli\u003eMotor: 30 HP, energy-saving\u003c\/li\u003e\n\u003cli\u003eAir delivery: 103.1 CFM\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 70 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460V \/ 3-phase \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003eWeight: 759 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 44 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end with vertical oil separation\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat is inside\u003c\/h3\u003e\u003cp\u003eABAC builds the AS-B range around a fully integrated aluminum block and an air end designed to limit air loss, which is where a screw compressor either earns or wastes the power it draws. The vertical oil separation system is the other half of that: ABAC rates the design at up to 10 percent lower carbon footprint than the layout it replaced, and it is also what keeps carryover down so the oil stays in the machine rather than in your air lines. Noise and vibration were engineered down at the same time, which is how a 30 HP machine lands at 70 dBA instead of the mid 80s a comparable reciprocating unit would hold all shift.\u003c\/p\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eThis is the 150 PSI build of the 30 HP machine. On pressure, the \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-30253BM\u003c\/a\u003e is the same compressor set for 125 PSI and delivers 114.1 CFM, so the 150 PSI build costs you 11 CFM of real capacity. Take this one when a tool, press, or process at the far end of the system genuinely needs 150 PSI at the point of use, and take the 125 PSI build when volume matters more than ceiling. On size, the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003e25 HP AS-25503BM\u003c\/a\u003e delivers 92.2 CFM at the same 150 PSI and 69 dBA for 723 lbs, so the step up to 30 HP buys roughly 11 CFM.\u003c\/p\u003e\u003cp\u003eOn configuration, base mount is the starting point for a modular system. The \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BMD\u003c\/a\u003e is the same compressor with an integrated dryer on the skid at 867 lbs, and the \u003ca href=\"\/products\/abac-as-30-30-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-30503TMD\u003c\/a\u003e puts compressor, receiver and dryer on one tank-mounted package at 1365 lbs. Choose base mount when you already have a receiver, when you want the dryer sized independently, or when the mechanical room makes a tall tank-mounted unit awkward to place.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication plants, automotive and fleet service facilities, tire and truck shops, woodworking and finishing operations, and any site running multiple air stations at once. A rotary screw is designed for continuous duty, so it holds a steady line pressure across a full shift instead of recovering between jobs. At 150 PSI that matters most where line loss across a long run of pipe would otherwise drop a 125 PSI system below what the tool at the end of it needs.\u003c\/p\u003e\u003ch3\u003eSizing the rest of the system\u003c\/h3\u003e\u003cp\u003eBase mount means the receiver is yours to specify. A common rule of thumb is roughly 4 gallons of storage per CFM for intermittent demand, so a 30 HP machine at 103.1 CFM typically sits behind a 400 to 500 gallon receiver, less if the load is steady. Size the receiver and the piping for the higher working pressure, and if your air reaches paint, instruments, pneumatic controls or anything that corrodes, put a \u003ca href=\"\/collections\/refrigerated-air-dryers\"\u003erefrigerated air dryer\u003c\/a\u003e downstream rated to at least the compressor's full output, with a filter and regulator ahead of the point of use. Oil, oil filter and separator element are the service items to keep on the shelf.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group, and the largest unit in that range. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed rotary screw\u003c\/a\u003e line.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67619751198995,"sku":"4152028460","price":17775.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-30503bm-base-mount-rotary-screw-air-compressor.png?v=1791656361"},{"product_id":"abac-as-30-30-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor","title":"ABAC AS-30253BMD 30 HP Rotary Screw Air Compressor - Base Mount with Dryer, 125 PSI, 114.1 CFM, 70 dBA","description":"\u003cp\u003eThe ABAC AS-30253BMD is a 30 HP rotary screw air compressor with a refrigerated dryer built into the same cabinet, for plants that need a large, steady volume of clean, dry air all day. It delivers 114.1 CFM at 125 PSI and runs at 70 dBA. This is the base mount version, so it ships without a receiver and plumbs into a tank you already own or one sized to your demand. Power is 208-230-460V three phase.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: AS-30253BMD (part number 4152028465)\u003c\/li\u003e\n\u003cli\u003eMotor: 30 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 114.1 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum pressure: 125 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 70 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount with integrated refrigerated dryer, no tank\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460V \/ 3 phase \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions: 55 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eWeight: 867 lbs\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eVertical oil separation\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cp\u003eWithin the AS-B 30 HP range the choice comes down to pressure, dryer and receiver. The \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-125-psi-rotary-screw-air-compressor\"\u003eAS-30253BM\u003c\/a\u003e is the same 114.1 CFM machine without the dryer: 759 lbs in a 44 x 31 x 49 in cabinet. Adding the dryer here takes it to 867 lbs and 55 x 31 x 49 in, 11 inches longer, and that is the whole cost of having the dryer already matched, mounted and wired rather than sized, sited and plumbed later. The \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BMD\u003c\/a\u003e is the 150 PSI build of this same cabinet and trades flow for pressure, 103.1 CFM instead of 114.1, so take it only if your line genuinely needs 150 PSI. Step down one size and the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-25253BMD\u003c\/a\u003e gives 98.9 CFM at 69 dBA. If you have no receiver at all, the \u003ca href=\"\/products\/abac-as-30-30-hp-131-gallon-tank-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-30253TMD\u003c\/a\u003e puts the same compressor and dryer on a tank as one assembly.\u003c\/p\u003e\u003ch3\u003eSizing the receiver\u003c\/h3\u003e\u003cp\u003eA base mount machine is only half the installation. At 114.1 CFM this unit wants a receiver in the 240 to 400 gallon range for most plants, more if the demand is spiky, and the tank does the work of smoothing load swings so the compressor spends its time loaded rather than cycling. Browse \u003ca href=\"\/collections\/horizontal-air-compressor-tanks\"\u003ehorizontal air compressor tanks\u003c\/a\u003e and \u003ca href=\"\/collections\/air-compressor-tanks\"\u003evertical and horizontal receivers\u003c\/a\u003e, and add an \u003ca href=\"\/collections\/oil-water-separator\"\u003eoil water separator\u003c\/a\u003e on the dryer drain so the condensate leaves the building legally. Give the cabinet clear air on the cooling side, keep the room ventilated, and run it on its own disconnect sized to the motor nameplate.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eProduction and fabrication floors, machine shops running multiple CNC cells, automotive and fleet service bays, tire and truck shops, sandblasting and plasma cutting, spray finishing, and any operation where moisture in the line is spoiling tools, air logic or finish quality. A rotary screw is designed for continuous duty, so it holds a steady line pressure through a full shift instead of recovering between jobs, and the onboard dryer takes the water out before it reaches your distribution piping.\u003c\/p\u003e\u003cp\u003ePart of the ABAC AS-B screw range from the Atlas Copco group, built around a fully integrated aluminum block, vertical oil separation and an energy efficient motor for up to 10 percent lower carbon footprint. At 114.1 CFM this is the highest flow in the AS-B base mount range, the machine a plant steps up to when added bays, a blast cabinet or a continuous process leave a smaller compressor running loaded almost all the time. See the rest of our \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressors\u003c\/a\u003e and the full \u003ca href=\"\/collections\/fixed-speed-rotary-screw-air-compressors\"\u003efixed speed rotary screw\u003c\/a\u003e range.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67619795403027,"sku":"4152028465","price":20701.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-30253bmd-base-mount-dryer-rotary-screw-air-compressor.png?v=1791677610"},{"product_id":"abac-as-30-30-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor","title":"ABAC AS-30503BMD 30 HP Rotary Screw Air Compressor - Base Mount with Dryer, 150 PSI, 103.1 CFM, 70 dBA","description":"\u003cp\u003eThe ABAC AS-30503BMD is the largest base mount machine in the AS-B screw range with a refrigerated dryer already built into the cabinet. It delivers 103.1 CFM at a 150 PSI maximum and runs at 70 dBA, quiet enough to sit on the shop floor rather than in a separate compressor room. Base mount means it ships without a receiver and plumbs into an air tank you already own or one sized to the job. With the dryer on board it measures 55 x 31 x 49 in and weighs 867 lbs. Power is 208-230-460V three-phase.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: AS-30503BMD (part number 4152028466)\u003c\/li\u003e\n\u003cli\u003eMotor: 30 HP, energy efficient\u003c\/li\u003e\n\u003cli\u003eAir delivery: 103.1 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: 150 PSI\u003c\/li\u003e\n\u003cli\u003eNoise level: 70 dBA\u003c\/li\u003e\n\u003cli\u003eMounting: base mount with integrated refrigerated dryer, no receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: 208-230-460\/3\/60\u003c\/li\u003e\n\u003cli\u003eWeight: 867 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 55 x 31 x 49 in\u003c\/li\u003e\n\u003cli\u003eFully integrated aluminum block air end\u003c\/li\u003e\n\u003cli\u003eEco-friendly vertical oil separation technology\u003c\/li\u003e\n\u003cli\u003eDigital controller with menu driven access for optimizing operating performance\u003c\/li\u003e\n\u003cli\u003eBrand: ABAC, part of the Atlas Copco group\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy 150 PSI, and what it costs you\u003c\/h3\u003e\n\u003cp\u003ePressure and flow move against each other on the same air end. At 150 PSI this machine gives 103.1 CFM; the 125 PSI build of the identical cabinet gives 114.1 CFM. That is 11 CFM, close to 10 percent of your airflow, spent on the extra 25 PSI, and you pay for it in energy every hour the compressor runs. Buy the 150 PSI version when something real needs it: press and clamp circuits, higher pressure tooling, a long distribution run where line loss eats into delivered pressure, or a plant header you cannot re-pipe. If every drop in the shop is regulated down to 90 or 100 PSI anyway, the 125 PSI machine is the better buy and the cheaper one to run.\u003c\/p\u003e\n\u003ch3\u003eWhat the integrated dryer changes\u003c\/h3\u003e\n\u003cp\u003eEvery rotary screw sends warm, saturated air downstream, and that water is what rusts piping, freezes air logic, pits tooling and ruins a paint finish. A standalone dryer solves it but has to be sized, bought, given floor space, wired and plumbed. On the BMD build the dryer is matched to the air end at the factory, mounted in the same cabinet and wired with the compressor, so one electrical connection and one air outlet finish the installation. The cost is length: the dryer adds 11 inches and 108 lbs over the plain base mount, which is still far less floor space than a separate dryer standing beside the compressor. If a filter stack and an oil water separator are also going in, plan their wall space when you lay the machine out.\u003c\/p\u003e\n\u003ch3\u003eWhy a screw instead of another piston\u003c\/h3\u003e\n\u003cp\u003eA piston compressor builds air in bursts and needs time to cool between them. A rotary screw is rated for continuous duty, so it holds a flat line pressure through a full shift instead of sagging and recovering between jobs. At 30 HP that difference is the whole point: this is a machine for a plant that is drawing air most of the day, not one that tops up a receiver now and then. A screw dislikes short cycling, so it wants a receiver sized to its output and a demand pattern that keeps it loaded.\u003c\/p\u003e\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eThis is the top of the AS-B range, so the choices here are pressure, dryer and mounting rather than more horsepower. The \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-dryer-125-psi-rotary-screw-air-compressor\"\u003eAS-30253BMD\u003c\/a\u003e is the same machine set for 125 PSI, trading pressure for airflow at 114.1 CFM in an identical 55 x 31 x 49 in cabinet at the same 867 lbs. If your air is already dry, or you own a dryer that is correctly sized, the \u003ca href=\"\/products\/abac-as-30-30-hp-base-mount-150-psi-rotary-screw-air-compressor\"\u003eAS-30503BM\u003c\/a\u003e is the same 103.1 CFM air end without the dryer at 759 lbs and 44 x 31 x 49 in. Stepping down, the \u003ca href=\"\/products\/abac-as-25-25-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-25503BMD\u003c\/a\u003e gives 92.2 CFM at a quieter 69 dBA and 831 lbs in the same footprint, and the \u003ca href=\"\/products\/abac-as-20s-20-hp-base-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-20S503BMD\u003c\/a\u003e gives 78 CFM at 67 dBA and 798 lbs. If you do not already own a receiver, the \u003ca href=\"\/products\/abac-as-30-30-hp-131-gallon-tank-mount-dryer-150-psi-rotary-screw-air-compressor\"\u003eAS-30503TMD\u003c\/a\u003e puts the same air end and dryer on a tank.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eProduction and fabrication floors, machine shops running several CNC cells, automotive and fleet service bays, tire and truck shops, plasma and laser tables, packaging lines, press and clamp circuits, spray finishing, and any plant where moisture in the line is spoiling tools, air logic or finish quality. At 103.1 CFM it will carry a bank of air ratchets and sanders, a continuous blow off, a sandblast cabinet, or several cells drawing at once through a full shift. The base mount build is also the one to buy when you are replacing a compressor on an existing system and keeping the receiver and piping already in place.\u003c\/p\u003e\n\u003ch3\u003eWhat to pair it with\u003c\/h3\u003e\n\u003cp\u003eSize a receiver to your demand rather than to the pipe, give the cabinet clear air on the cooling side, keep the room out of the heat, and run the unit on its own circuit sized to the motor nameplate. At 30 HP the electrical install is worth planning before the machine arrives. Oil, oil filter and separator element are the service items, and the digital controller tracks the intervals. Behind the dryer, a coalescing filter protects paint and instrument air, and a condensate drain plus an oil water separator keeps the water the dryer pulls out of your floor and out of the drain line. See our \u003ca href=\"\/collections\/coalescing-air-filters\"\u003ecoalescing air filters\u003c\/a\u003e, \u003ca href=\"\/collections\/condensate-drains\"\u003econdensate drains\u003c\/a\u003e and \u003ca href=\"\/collections\/oil-water-separator\"\u003eoil water separators\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/rotary-screw-air-compressors\"\u003erotary screw air compressor\u003c\/a\u003e range. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.\u003c\/p\u003e","brand":"ABAC","offers":[{"title":"208-230-460V 3-Phase","offer_id":67619967664403,"sku":"4152028466","price":20701.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/abac-as-30503bmd-base-mount-dryer-rotary-screw-air-compressor.png?v=1791684537"}],"url":"https:\/\/aircompressorstore.com\/collections\/abac-base-mount-rotary-screw-air-compressors.oembed","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}