{"product_id":"castair-c3-two-stage-air-compressor-pump-15-hp-61-cfm","title":"Castair C3 Two-Stage Air Compressor Pump — 15 HP, 61 CFM, 3-Cylinder W-Type","description":"\u003cp\u003eThe Castair C3 is a heavy-duty, two-stage cast-iron bare pump rated for 15 HP and 61 CFM, built for the most demanding industrial air systems. Its splash-lubricated, three-cylinder W-type design delivers high air volume while running at a low 795 RPM for reduced wear and long service life.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower: 15 HP\u003c\/li\u003e\n\u003cli\u003eAir delivery: 61 CFM\u003c\/li\u003e\n\u003cli\u003eConfiguration: Two-stage, 3-cylinder W-type\u003c\/li\u003e\n\u003cli\u003ePump speed: 795 RPM\u003c\/li\u003e\n\u003cli\u003eBuilt-in centrifugal unloader for loadless start-up\u003c\/li\u003e\n\u003cli\u003eLubrication: Splash lubricated\u003c\/li\u003e\n\u003cli\u003eOil capacity: 1.75 gal (synthetic GA10W30)\u003c\/li\u003e\n\u003cli\u003eStroke: 3.15 in\u003c\/li\u003e\n\u003cli\u003eCooling: Finned copper-tube intercooler \u0026amp; aftercooler for maximum heat dissipation\u003c\/li\u003e\n\u003cli\u003eBearings: Tapered roller bearings at both ends of the crankshaft, needle bearings at the wrist pin, and automotive-type rod insert bearings at the crankshaft\u003c\/li\u003e\n\u003cli\u003ePistons: 4 rings for higher efficiency and less oil carry-over\u003c\/li\u003e\n\u003cli\u003eValves: Disc and spring valves, easily removed from the top without removing the head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eAn ideal replacement or upgrade pump for large two-stage reciprocating air compressors in heavy fabrication, manufacturing, and industrial plants that need high air volume and reliable high-pressure compressed air.\u003c\/p\u003e\n\u003cp\u003eThe Castair C3 two-stage air compressor pump combines a rugged cast-iron build with a three-cylinder W-type design and efficient finned copper-tube cooling, delivering durable 15 HP, 61 CFM performance for demanding industrial duty.\u003c\/p\u003e","brand":"Castair","offers":[{"title":"Default Title","offer_id":54262753263891,"sku":"C3PUMP","price":3882.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/C3-Pumps.jpg?v=1772197575","url":"https:\/\/aircompressorstore.com\/products\/castair-c3-two-stage-air-compressor-pump-15-hp-61-cfm","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}