{"product_id":"heavy-duty-shop-rotary-screw-model-no-r738vg11-also-230-or-460","title":"Heavy Duty Shop Rotary  -  Screw - Model No. : R738VG11 - Also 230 or 460","description":"\u003ch2\u003eCastair Heavy Duty Shop Rotary Screw Air Compressor — G11 Air End (R738VG11)\u003c\/h2\u003e\n\n\u003cp\u003eThe Castair R738VG11 is a heavy-duty rotary screw compressor built around the G11 air end, available in 230V or 460V 3-phase. The G11 is a step up in air end capacity from the P75-series units used in the standard 5-10 HP rotary screw lineup. The R738VG11 targets shops that need the reliability of a rotary screw design with a more substantial air end for demanding continuous-duty applications. Priced at $7,876.95, it sits in the mid-tier rotary screw range alongside the 15 HP G30-end models.\u003c\/p\u003e\n\n\u003cp\u003eBased on available Castair catalog data, the G11 air end is used in the 5-15 HP range of rotary screw compressors. The R738VG11 designation suggests a 7.5 HP motor pairing with the G11 air end on a vertical tank configuration. Exact CFM, PSI, tank size, weight, and dimensional specifications were not available from manufacturer pages at time of writing — contact us at 866-217-0063 for confirmed specs before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eG11 Air End — What Changes From the P75\u003c\/h2\u003e\n\u003cp\u003eCastair uses several different air end models across their rotary screw lineup. The P75 air end covers 5-15 HP in the standard commercial lineup. The G11 is a different geometry designed for applications where sustained high-demand output is a priority. The PM kit for the G11 is the MKG11, which includes 2 air filters (RAFG11, ID 2-5\/8\", OD 3-7\/8\", HGT 3-1\/8\"), 4 oil filters, 1 separator filter, and 5 gallons of synthetic CAST-LUBE oil. If your shop runs the G11 air end, make sure you stock the correct RAFG11 replacement filter — it is a different physical size from P75 and D-series filters.\u003c\/p\u003e\n\n\u003ch3\u003eAir End and Drive System\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir end:\u003c\/strong\u003e G11 rotary screw — heavier duty than P75 for demanding continuous applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuty cycle:\u003c\/strong\u003e 100% rated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Single solenoid, no computers, no lockout codes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Heavy-duty industrial 1725 RPM, 15% service factor or higher\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e Off-shelf V-belts with adjustable belt tightener\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLubrication:\u003c\/strong\u003e Factory-filled CAST-LUBE 4,000-hour \/ 1-year synthetic oil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil filter:\u003c\/strong\u003e Spin-on type\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir filter:\u003c\/strong\u003e Paper element (RAFG11: ID 2-5\/8\", OD 3-7\/8\", HGT 3-1\/8\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eControls and Safety\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure gauges:\u003c\/strong\u003e Easy-read pressure and temperature gauges standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShutdowns:\u003c\/strong\u003e High pressure and dual high temperature shutdowns standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10-minute shutdown timer:\u003c\/strong\u003e Standard — reduces electricity costs during idle periods\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo lockout codes:\u003c\/strong\u003e Serviceability without dealer involvement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTank and Cooling\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank orientation:\u003c\/strong\u003e Available in vertical or horizontal configurations (V = vertical in model designation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank certification:\u003c\/strong\u003e ASME (USA-made)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir\/oil separator:\u003c\/strong\u003e Built-in with spin-on filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAftercooler:\u003c\/strong\u003e Air-cooled aftercooler and oil cooler standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlumbing:\u003c\/strong\u003e Off-shelf copper piping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 230V or 460V 3-phase (specify at order)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStarter:\u003c\/strong\u003e Name-brand magnetic starter, factory mounted and wired\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHour meter:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaintenance — G11 Specific Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir filter element:\u003c\/strong\u003e RAFG11 (ID: 2-5\/8\", OD: 3-7\/8\", HGT: 3-1\/8\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil filter:\u003c\/strong\u003e ROFD3-4-G11 spin-on\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeparator filter:\u003c\/strong\u003e RSFD3-4-6-G11-P75 spin-on\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePM kit:\u003c\/strong\u003e MKG11 — 2 air filters, 4 oil filters, 1 separator, 5 gal synthetic oil (saves 10%)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Is in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCastair R738VG11 rotary screw compressor, fully assembled\u003c\/li\u003e\n  \u003cli\u003eASME-certified tank (USA-made), vertical configuration\u003c\/li\u003e\n  \u003cli\u003eAir-cooled aftercooler and oil cooler\u003c\/li\u003e\n  \u003cli\u003eMagnetic starter and controls, factory wired\u003c\/li\u003e\n  \u003cli\u003eHour meter\u003c\/li\u003e\n  \u003cli\u003ePressure and temperature gauges\u003c\/li\u003e\n  \u003cli\u003eFactory fill CAST-LUBE synthetic oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eVibration pads, ball valve, and flex hose are recommended accessories, available separately or factory-mounted.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eAvailable Configurations — G-Series Rotary Screw\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR738VG11 (this unit)\u003c\/strong\u003e — 7.5 HP, G11 air end, vertical, 230V or 460V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR15312VG30\u003c\/strong\u003e — 15 HP, G30 air end, 120 gal vertical, 58 CFM, 44x32x73, 930 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR15312HG30\u003c\/strong\u003e — 15 HP, G30 air end, 120 gal horizontal, 58 CFM, 69x33x55, 930 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR20312VG30\u003c\/strong\u003e — 20 HP, G30 air end, 120 gal vertical, 80 CFM, 44x32x73, 930 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR25312VG30\u003c\/strong\u003e — 25 HP, G30 air end, 120 gal vertical, 105 CFM, 44x32x73, 1045 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR30312VG30\u003c\/strong\u003e — 30 HP, G30 air end, 120 gal, 130 CFM, 1065 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen Does a Shop Need the G11 vs. Other Air Ends?\u003c\/h2\u003e\n\u003cp\u003eThe G11 air end is suited for shops that need reliable continuous-duty output and prefer the G-series geometry over the D or P75 series. If your operation runs at or near 100% duty for extended periods — automated production, continuous spray application, or high-cycle pneumatic equipment — the G-series air ends are worth considering over the standard P75 models in the same HP bracket.\u003c\/p\u003e\n\u003cp\u003eIf you need higher CFM output (above 50 CFM), step up to the G30-end 15-25 HP models. If your air demand is moderate and intermittent, the standard P75-based R738VP75 or R738HP75 at $10,017 to $10,223 may serve you equally well at lower cost.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e R738VG11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir end:\u003c\/strong\u003e G11 rotary screw\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 3-phase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 230V or 460V (specify at order)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard operating pressure:\u003c\/strong\u003e 135 PSI (150 or 175 PSI available)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuty cycle:\u003c\/strong\u003e 100%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank orientation:\u003c\/strong\u003e Vertical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank certification:\u003c\/strong\u003e ASME (USA-made)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor speed:\u003c\/strong\u003e 1725 RPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor service factor:\u003c\/strong\u003e 15% or higher\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil:\u003c\/strong\u003e CAST-LUBE synthetic, 4,000-hour \/ 1-year service interval\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 years on air end, electric motor, and tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir filter:\u003c\/strong\u003e RAFG11 (ID 2-5\/8\", OD 3-7\/8\", HGT 3-1\/8\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eCFM output, tank size, weight, and exact dimensions: contact us at 866-217-0063 for confirmed specifications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCastair specialists:\u003c\/strong\u003e We carry the full lineup including G-series air end models and corresponding filter parts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e to commercial addresses\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree tech support:\u003c\/strong\u003e 866-217-0063 — we can confirm G11 specs and compare to your actual CFM requirements\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull 2-year warranty\u003c\/strong\u003e on air end, motor, and tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParts availability:\u003c\/strong\u003e RAFG11 air filter, MKG11 PM kit, and G11-specific oil and separator filters stocked\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":53342583881941,"sku":"R738VG11","price":7876.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorfactorydirect.com\/products\/heavy-duty-shop-rotary-screw-model-no-r738vg11-also-230-or-460","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}