ABAC AB7-2180VQP 7.5 HP Quiet Power Two-Stage Air Compressor - 80 Gallon Vertical, 175 PSI, 22.3 CFM, 69 dBA

The ABAC AB7 VQP delivers the full 22.3 CFM of ABAC's 7.5 HP two-stage platform at only 69 dBA, about the level of normal conversation across a room. A low sound enclosure wraps the pump and motor while a 600 CFM cooling fan pulls heat straight out of the cabinet, so the machine stays quiet without giving up duty cycle to heat soak. That is what lets a working shop put real airflow against an office wall, a showroom, or a customer waiting area instead of banishing the compressor to an outbuilding. Choose 230V single-phase (AB7-2180VQP) or 230V three-phase (AB7-2380VQP).

Key specifications

• Model: AB7-2180VQP, 230V single-phase, Warthog part number 8090304406 (ABAC part number 2021119414)
• Model: AB7-2380VQP, 230V three-phase, Warthog part number 8090304448 (ABAC part number 2021119415)
• Noise level: 69 dBA
• Motor: 7.5 HP
• Pump: T39 two-stage hybrid, aluminum with cast iron cylinders
• Air delivery: 22.3 CFM at max pressure
• Maximum pressure: 175 PSI
• Tank: 80 gallon vertical, ASME tank and safety valves
• Dimensions: 39 x 24 x 80 in
• Weight: 549 lbs single-phase, 537 lbs three-phase
• Enclosure: low sound cabinet with 600 CFM cooling fan
• Controls: fully programmable control panel, magnetic starter
• Standard: electronic automatic tank drain, low oil level switch, high temperature switch
• Warranty: 2 year full, assembled in the USA

What the enclosure and the fan actually do

Boxing in a compressor is the easy part. Keeping it cool once it is boxed in is the engineering, and it is the reason this machine carries the same 22.3 CFM and 175 PSI rating as the open frame version instead of being derated for the cabinet. ABAC builds the 2-Stage Quiet Power Series for consistent supply rather than short bursts, so the enclosure carries a 600 CFM cooling fan to hold pump and motor temperature through long run times. At 7.5 HP there is more heat to move than on the 5 HP machine, which is why the fan and the high temperature switch matter more here, not less. The low oil level switch backs that up, and the fully programmable control panel lets the control parameters be set to the duty pattern of the room the machine actually sits in rather than left on a factory default.

How it compares

Against the open frame AB7-2180V, which runs 22.2 CFM at 175 PSI on the same 80 gallon vertical tank and the same T39 pump, the VQP gives up nothing on airflow or pressure. The difference you pay for is the enclosure and the fan. Step down to the 5 HP AB5-2180VQP and you get 16.6 CFM at 66 dBA in the same 39 x 24 x 80 in cabinet, so the choice between the two is airflow first: take the AB7 when a second operator or a continuous sander will outrun 16.6 CFM, and the AB5 when the quietest possible machine matters more than headroom.

Single phase or three phase

Both versions deliver 22.3 CFM at 175 PSI, in the same 39 x 24 x 80 in cabinet, at the same 69 dBA, so the decision is made at the electrical panel rather than on the spec sheet. Take the 230V single-phase AB7-2180VQP where the building has no three phase service. Where three phase is available, the AB7-2380VQP is the better long term machine and is the lighter of the two at 537 lbs against 549. At 7.5 HP the single-phase inrush is worth a word with the electrician before delivery either way. Size the circuit to the motor nameplate, and have the connection made before the machine arrives.

Typical applications

ABAC rates the 2-Stage Quiet Power Series for hammering, spraying, grinding, fastening, orbital sanding and general equipment operation. In practice that means dealership service bays next to a showroom, dental and medical suites, cabinet and finish shops, equipment rooms sharing a wall with offices, and production floors where noise exposure is actively managed. The vertical 80 gallon receiver keeps the footprint to 39 by 24 inches, so the machine sits against a wall rather than eating bay space, and the electronic automatic drain means nobody has to remember to crack a petcock at the end of a shift.

What to pair it with

Compressed air leaves a two-stage pump hot and saturated, and in a space quiet enough to need this machine the air is usually feeding work that water will ruin. Add a refrigerated dryer sized above this machine's 22.3 CFM rather than exactly at it: the ABAC COOL 35 gives that margin on a 115V circuit, and the rest of the COOL series steps up from there if the shop adds a second machine later. Put a filter regulator at the drop if the air goes to paint, plasma, or instrument work, and keep a spare set of filters and a change of pump oil on the shelf. Part of ABAC's 2-Stage Quiet Power Series from the Atlas Copco group. See the full range of piston air compressors and all air compressors.