{"product_id":"castair-7-5-hp-1-phase-compressor-cube-pump-cfm-32-4-rpm-895-i71cuc1-s","title":"Castair 7.5 HP 1 Phase Compressor Cube Pump  CFM@ 32.4 RPM 895 I71CUC1-S","description":"\u003ch2\u003eCastair I71CUC1-S: 7.5 HP Single-Phase Industrial Compressor, Cube Pump, 32.4 CFM at 895 RPM\u003c\/h2\u003e\n\u003cp\u003eThe Castair I71CUC1-S is a 7.5 horsepower, single-phase industrial reciprocating air compressor built around Castair's cube pump (CUC) configuration, running at 895 RPM with 32.4 CFM free air delivery. The cube pump designation refers to the pump head geometry — a compact, square-profile pump design that differs physically from the standard cylindrical pump configuration used in the I718 series, while delivering the same performance specs as the C1 pump class.\u003c\/p\u003e\n\u003cp\u003eLike all Castair industrial series compressors, this unit uses an all cast iron pump designed for slow-speed, long-life industrial service. Manufacturer specifications for the exact tank size, dimensions, and weight for this specific model are not published on the Castair public product page — contact us at 866-217-0063 for current availability and confirmed specifications.\u003c\/p\u003e\n\u003ch2\u003ePump Specifications — Cube Pump C1 Configuration\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump type:\u003c\/strong\u003e Cube pump (CUC designation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump speed:\u003c\/strong\u003e 895 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree air delivery:\u003c\/strong\u003e 32.4 CFM @ 0 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll cast iron construction:\u003c\/strong\u003e Cylinder, head, crankcase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered roller bearings:\u003c\/strong\u003e Both ends of crankshaft for superior support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision steel connecting rods:\u003c\/strong\u003e Automotive-type insert bearings at crankshaft and wrist pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc and spring valves:\u003c\/strong\u003e Serviceable, efficient, reliable under industrial duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-ring pistons:\u003c\/strong\u003e Better sealing, reduced oil carryover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentrifugal unloader:\u003c\/strong\u003e Loadless startup every cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMotor and Power\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 7.5 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e Single-phase (1-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 230V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e 1725 RPM industrial motor, 15% service factor or higher\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eI71CUC1-S vs. I71CUC2-S\u003c\/h2\u003e\n\u003cp\u003eBoth models are 7.5 HP single-phase cube pump configurations. The C1 (I71CUC1-S) runs at 895 RPM with 32.4 CFM. The C2 (I71CUC2-S) runs at 585 RPM with 35.0 CFM — slower, quieter, and higher output at the cost of a heavier pump. The choice follows the same logic as the standard I718 series: C1 for a lighter installation, C2 for quieter operation and more CFM headroom.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e I71CUC1-S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 7.5 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e Single-phase (1-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 230V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump type:\u003c\/strong\u003e Cube pump (CUC), C1 configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump RPM:\u003c\/strong\u003e 895\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree air delivery (CFM @ 0 PSI):\u003c\/strong\u003e 32.4 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank size, dimensions, weight:\u003c\/strong\u003e Contact us at 866-217-0063 for confirmed data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h2\u003e\n\u003cp\u003eThe cube pump configuration is a specialty item in the Castair lineup, and we can confirm current availability, exact specifications, and whether this configuration makes sense for your installation. Free shipping on qualifying orders. Free tech support. Full manufacturer warranty on every Castair industrial unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCall 866-217-0063 for quick answers and help!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cast Air","offers":[{"title":"Default Title","offer_id":53342568120533,"sku":"I71CUC1-S","price":6293.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/cube-1_932acb5b-5fcf-4267-9842-23aab95700fe.jpg?v=1772652718","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-7-5-hp-1-phase-compressor-cube-pump-cfm-32-4-rpm-895-i71cuc1-s","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}