{"product_id":"castair-10hp-3-phase-rotary-screw-air-compressor-120-gal-horizontal-230v-r10312hp75-230","title":"Castair 10HP 3-Phase Rotary Screw Air Compressor 120 Gal Horizontal 230V - R10312HP75-230","description":"\u003cp\u003eThe Castair R10312HP75-230 is a 10 HP, 3-phase rotary screw air compressor built around a 120-gallon horizontal tank and wired for 230V three-phase power. If your shop or facility is already running 3-phase 230V service — common in body shops, fleet maintenance bays, auto repair facilities, and light manufacturing — this machine steps in as a continuous-duty workhorse that replaces the stop-and-go cycle of a reciprocating piston compressor. Rotary screw technology runs without a duty cycle limit. The compressor builds air constantly, keeps up with simultaneous tool demand, and does not need a cool-down period between extended runs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Manufacturer specification data was not available from a website scrape at time of writing. Specifications below are sourced from the product name, SKU decode, and Cast Air product line knowledge. Contact us at 866-217-0063 for the most current published specs or a formal spec sheet.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Rotary Screw Over Piston for a Production Shop\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous duty rating:\u003c\/strong\u003e Rotary screw compressors are designed to run 100% of the time under load. A piston compressor runs hot and needs rest after heavy use. In a shop where air demand is constant — multiple lifts, air tools, a spray gun, tire service — a rotary screw machine keeps pressure stable without temperature-related shutdowns.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower noise floor:\u003c\/strong\u003e Rotary screw compressors run significantly quieter than comparably sized reciprocating units. In a working shop bay, that difference matters over an eight-hour shift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil-lubricated compression stage:\u003c\/strong\u003e Cast Air rotary screw units use an oil-flooded compression element that runs cool and extends component life. A downstream oil separator removes the oil before air reaches your tools and lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-phase power efficiency:\u003c\/strong\u003e Three-phase motors start smoother, run cooler, and pull fewer surge amps at startup compared to single-phase motors of the same horsepower. The 230V configuration works with the most common 3-phase service voltage found in commercial buildings and shop facilities in North America.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e120-gallon horizontal tank:\u003c\/strong\u003e The large-capacity receiver tank provides an air buffer that smooths pressure fluctuations when multiple tools kick on simultaneously. Horizontal orientation keeps the installation footprint low — important in shops where ceiling height is adequate but floor space is limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e R10312HP75-230\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor horsepower:\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 230V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank capacity:\u003c\/strong\u003e 120 gallons\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank orientation:\u003c\/strong\u003e Horizontal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompressor type:\u003c\/strong\u003e Rotary screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuty cycle:\u003c\/strong\u003e Continuous (100%)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCFM output:\u003c\/strong\u003e Contact us — confirmed CFM not specified in product name for this voltage variant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating pressure:\u003c\/strong\u003e Contact us for rated PSI range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e Call for pricing and availability — 866-217-0063\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat This Compressor Handles in a Working Shop\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple simultaneous air tools:\u003c\/strong\u003e Impact wrenches, ratchets, die grinders, and air hammers running at the same time without pressure sag at the whip line.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-post and four-post lifts:\u003c\/strong\u003e Air-over-hydraulic shop lifts need stable, consistent pressure to cycle correctly. A rotary screw machine maintains line pressure even while lifts are cycling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpray painting and refinishing:\u003c\/strong\u003e HVLP and conventional spray guns require stable CFM delivery. A large tank plus continuous-duty screw compressor eliminates the pressure fluctuation that causes orange peel and fisheye in finish coats.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSandblasting and media blasting:\u003c\/strong\u003e High-demand abrasive blasting operations benefit directly from a machine that does not need to pause and recharge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTire service and inflation:\u003c\/strong\u003e Fleet shops handling trucks, commercial vehicles, and trailers move a lot of air through tire service alone. A 120-gallon receiver handles burst demand without dropping below working pressure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePneumatic assembly lines and light manufacturing:\u003c\/strong\u003e Any process that requires continuous air supply at consistent pressure is a direct candidate for this class of machine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e230V vs. 460V — Choosing the Right Voltage for Your Shop\u003c\/h3\u003e\n\u003cp\u003eCast Air offers this compressor platform in both 230V and 460V three-phase configurations. The 230V version (this unit) is the right choice when your facility already has 230V 3-phase service available, or when you want the flexibility of a voltage that is widely available across commercial service panels in North America. Most standard 3-phase electrical services in shops and light industrial facilities are already at 208-230V, meaning no transformer upgrades are required.\u003c\/p\u003e\n\u003cp\u003eIf your facility runs 460V (or 480V) 3-phase service — more common in heavy industrial environments and larger plants — the R10312HP75-460 is the better fit. Higher voltage means lower current draw at the same wattage, which reduces wire sizing requirements and generates less heat in long conduit runs. For a shop already on 230V, there is no compelling reason to upgrade service for this compressor size. For a new install in an industrial facility with 460V available, use the 460V variant.\u003c\/p\u003e\n\n\u003ch3\u003eHorizontal Tank — When It Makes Sense\u003c\/h3\u003e\n\u003cp\u003eThe R10312HP75-230 ships on a horizontal 120-gallon tank. Horizontal orientation is the right call when ceiling height is not a constraint and you want a lower center of gravity — the unit sits closer to the floor, which simplifies moving it with a pallet jack and keeps the center of mass stable. If floor space is tight and you have ceiling clearance, the vertical-tank equivalent (R10312VP75-230) accomplishes the same task in a smaller footprint. If your compressor room has a low ceiling, horizontal is the only option at this tank size.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From OEM Diagnostic Tools?\u003c\/h3\u003e\n\u003cp\u003eOEM Diagnostic Tools has been selling commercial and industrial compressed air equipment since 2016. We are not a big-box retailer. We are a specialist distributor that works directly with contractors, fleet managers, shop owners, and facility managers who need the right compressor matched to the right application — not the cheapest unit that sort of fits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e on qualifying orders to the continental United States\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree technical support\u003c\/strong\u003e at 866-217-0063 — call us before you buy to confirm this is the right machine for your electrical service, your CFM demand, and your installation space\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull manufacturer warranty\u003c\/strong\u003e honored on every Cast Air unit we sell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHonest upgrade guidance:\u003c\/strong\u003e If a smaller or larger compressor better fits your actual demand, we will tell you before you order — not after\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo markup on support:\u003c\/strong\u003e We answer application questions, electrical questions, and installation questions at no charge, whether you bought from us last week or three years ago\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall us at 866-217-0063 to confirm current pricing, lead time, and availability on the R10312HP75-230. Pricing on this unit is by quote.\u003c\/p\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":53342576640213,"sku":"R10312HP75-230","price":19499.44,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-10hp-3-phase-rotary-screw-air-compressor-120-gal-horizontal-230v-r10312hp75-230","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}