{"product_id":"castair-10-hp-3phase-rotary-screw-air-compressor-40-cfm-at-100-psi-80-gal-horiz-tank-230-r1038hp75","title":"Castair 10 HP 3Phase Rotary Screw Air Compressor 40 Cfm At 100 Psi 80 Gal Horiz Tank 230 R1038HP75","description":"\u003ch2\u003eCast Air R1038HP75-460 — 10HP 3-Phase Rotary Screw Air Compressor, 80-Gallon Horizontal Tank, 460V, 40 CFM at 100 PSI\u003c\/h2\u003e\n\n\u003cp\u003eThe Cast Air R1038HP75-460 delivers 40 CFM at 100 PSI from a 10-horsepower rotary screw compressor mounted on an 80-gallon horizontal tank, wired for 460V three-phase service. Those numbers matter: 40 CFM at 100 PSI is real, measured output — enough to run multiple air tools simultaneously in a busy production shop. If your facility is on 460V three-phase service and you need continuous-duty air supply at this output level, this is a strong candidate. Read through the details below before you decide.\u003c\/p\u003e\n\n\u003ch3\u003eThe Performance Numbers That Actually Matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 CFM at 100 PSI:\u003c\/strong\u003e This is the key specification. Cubic feet per minute at 100 PSI tells you how much usable air this compressor delivers at working pressure. To put it in context: a single air impact wrench consumes roughly 4-7 CFM at 90-100 PSI; a DA orbital sander runs 10-14 CFM; a spray gun typically requires 10-25 CFM depending on the gun and tip. At 40 CFM, this compressor supports simultaneous multi-tool use in a busy bay environment without pressure sag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Horsepower:\u003c\/strong\u003e The motor driving the screw element. In rotary screw compressors, horsepower translates reliably to CFM output — unlike piston compressors where duty cycle limitations mean you cannot always access full rated output continuously. At 10HP, this is a mid-tier commercial unit appropriate for a working shop, not a dedicated high-production or manufacturing facility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80-Gallon Horizontal Tank:\u003c\/strong\u003e The receiver tank stores compressed air and buffers demand spikes. An 80-gallon tank provides meaningful storage volume. When technicians hit multiple tools simultaneously, the tank absorbs the initial draw so the compressor does not have to respond instantly to every load peak. Horizontal orientation keeps the machine low and stable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Duty Cycle:\u003c\/strong\u003e Rotary screw compressors run continuously without rest cycles. This is fundamental to the technology. The 40 CFM at 100 PSI is available continuously — not averaged over a duty cycle. A piston compressor with a 50% duty cycle rating at the same CFM is, in practice, delivering half that air over any extended period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e460V Three-Phase — Requirements and Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e460V Three-Phase Service Required:\u003c\/strong\u003e This compressor is factory-wired for 460V three-phase electrical service. This is not 480V single-phase, not 240V single-phase, and not residential 240V. It requires three-phase incoming power at 460V between phases. Confirm your service with your electrician before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWho Has 460V Three-Phase:\u003c\/strong\u003e Heavy commercial and industrial facilities are typically wired for 460V (or 480V, which is within the tolerance range). Auto dealerships, large body shops, fleet garages, and manufacturing facilities in dedicated commercial buildings usually have 460V three-phase service. If your other heavy shop equipment — lifts, welders, CNC equipment — is labeled 460V or 480V three-phase, you have the right service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy 460V Is More Efficient Than 230V:\u003c\/strong\u003e For the same 10 horsepower output, 460V three-phase draws approximately half the amperage of 230V three-phase. Lower amperage means smaller wire gauge, smaller breaker, less heat generated in your electrical system, and lower voltage drop over long wire runs from your panel to the compressor. If you are wiring a new shop or adding a new circuit, 460V is the electrically correct choice when your service supports it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e460V vs. 230V — Which to Buy:\u003c\/strong\u003e The decision is simple: match your compressor to your existing service voltage. If your shop is on 460V three-phase, buy the R1038HP75-460. If your shop is on 230V three-phase, buy the R1038HP75-230. Do not buy the wrong voltage and try to adapt it — the motor windings are wound for the specified voltage and cannot be safely reconfigured in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Circuit Required:\u003c\/strong\u003e A 10HP motor at 460V still requires a properly sized dedicated circuit. Startup (locked-rotor) amperage is significantly higher than running amperage. Have your electrician calculate the correct breaker size, wire gauge, and disconnect for this motor's specifications. Do not share the circuit with other high-draw equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e80-Gallon Horizontal Tank — Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume:\u003c\/strong\u003e At 80 gallons, this is a large receiver for a 10HP unit. More tank volume means longer run intervals before the compressor needs to cycle back on, more stored air available during demand peaks, and better system pressure stability across the shop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorizontal Layout:\u003c\/strong\u003e The tank lies horizontally, keeping the overall machine height low. This is important in shops with ceiling clearance limitations, in rooms where a tall vertical tank would be impractical, or where a lower center of gravity is preferred for stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensate Accumulation:\u003c\/strong\u003e Horizontal tanks collect water condensate at the lowest point of the tank. Compressed air always carries moisture, and that moisture condenses in the tank as air cools. You must drain the tank regularly — daily in humid climates or high-usage environments — to prevent rust and water contamination in your air lines. An automatic condensate drain valve installed at the low point is strongly recommended for production environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor Footprint:\u003c\/strong\u003e Measure your available space. An 80-gallon horizontal compressor with the motor and screw assembly extends along one wall. Confirm the unit fits with adequate clearance on all sides for cooling airflow and service access before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho This Compressor Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Body and Collision Shops:\u003c\/strong\u003e 40 CFM at 100 PSI handles spray booth guns, DA sanders, and air-fed equipment running simultaneously. The continuous duty rating means you do not lose pressure mid-spray job because the compressor cycled off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFleet Maintenance Facilities:\u003c\/strong\u003e Truck and bus fleets, construction equipment yards, and vehicle maintenance shops running impact wrenches and air tools across multiple bays throughout the day. 460V service is common in these facilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Dealerships:\u003c\/strong\u003e Service department air supply for multiple technician bays. Dealerships with heavy commercial facilities are typically on 460V service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire and Alignment Centers:\u003c\/strong\u003e High-cycle impact tools and simultaneous multi-bay operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial and Light Manufacturing:\u003c\/strong\u003e Any production environment where pneumatic tools run continuously through a full shift on 460V three-phase service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eR1038HP75-460 vs. R1038HP75-230 — The Only Real Difference Is Voltage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame Performance Output:\u003c\/strong\u003e Both the -460 and -230 variants deliver the same air output from the same 10HP screw compressor and 80-gallon horizontal tank platform. The CFM and PSI ratings are the same. You are not getting more or less compressed air by choosing one voltage over the other.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e460V Advantage:\u003c\/strong\u003e Lower amperage draw means more efficient use of your electrical infrastructure and lower heat in the wiring. If your shop is on 460V, this is the correct unit and there is no reason to step down to 230V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e230V Advantage:\u003c\/strong\u003e If your shop is already on 230V three-phase and adding 460V service or a transformer is not worth the cost, the R1038HP75-230 gets you the same compressor on your existing electrical infrastructure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo Not Cross Voltages:\u003c\/strong\u003e These are not field-adjustable. Order the voltage that matches your service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 10 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 460V (fixed — 230V version is R1038HP75-230)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCFM Output:\u003c\/strong\u003e 40 CFM at 100 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Capacity:\u003c\/strong\u003e 80 Gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Orientation:\u003c\/strong\u003e Horizontal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Rotary screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuty Cycle:\u003c\/strong\u003e 100% continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e R1038HP75-460\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Specifications:\u003c\/strong\u003e Full manufacturer specifications including maximum operating pressure (PSI), motor full-load amperage at 460V, dimensions, and weight are pending. Contact 866-217-0063 for complete specifications before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I run this on single-phase 460V power?\u003c\/strong\u003e No. There is no such thing as single-phase 460V in North American commercial applications. This unit requires three-phase 460V service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill this work on 480V service?\u003c\/strong\u003e 460V and 480V are often used interchangeably in the field — North American distribution systems nominally deliver 480V, which appears as 460V at the motor terminals after line losses. The motor is typically rated to handle this range. Confirm with Cast Air or contact us at 866-217-0063 for a definitive answer on your specific service voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow often does a rotary screw compressor need service?\u003c\/strong\u003e Oil-injected rotary screw compressors typically require oil and filter changes at specified intervals (commonly 1,000-2,000 hours depending on manufacturer), separator element replacement, and air filter service. This is less frequent and less labor-intensive than piston compressor valve and ring service. Full service intervals are in the manufacturer documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs 40 CFM enough for a full spray booth?\u003c\/strong\u003e A single spray gun typically consumes 10-25 CFM at 40 PSI at the gun. Many booths also run air-fed respirators and additional tools. 40 CFM at 100 PSI is adequate for a single-gun booth with supporting equipment, but if you run multiple guns simultaneously or have a high-demand booth, evaluate whether you need more CFM. Call us and we can help you size correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From OEM Diagnostic Tools?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialist Since 2016:\u003c\/strong\u003e We supply professional shops with diagnostic equipment and shop tools. We understand the air demands of production environments and can help you match compressor output to your actual usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping:\u003c\/strong\u003e Free freight shipping to the contiguous United States on this unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Technical Support:\u003c\/strong\u003e Call 866-217-0063 before you order. We can help confirm that 460V three-phase is your service voltage, discuss whether 40 CFM meets your shop's demand, and compare this unit to other options in the Cast Air lineup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Manufacturer Warranty:\u003c\/strong\u003e Sold with Cast Air's full manufacturer warranty. We support warranty claims on every unit we sell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonest Sizing Guidance:\u003c\/strong\u003e If 40 CFM is not enough for your application, or if this is more compressor than you need, we will tell you and point you to the right unit. We would rather sell you the correct compressor than the wrong one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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":53342577197269,"sku":"R1038HP75-460","price":19253.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/Logo1_9a6dbf02-d3d2-4e01-a863-7313facabe1c.webp?v=1772652821","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-10-hp-3phase-rotary-screw-air-compressor-40-cfm-at-100-psi-80-gal-horiz-tank-230-r1038hp75","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}