{"product_id":"heavy-duty-shop-rotary-screw-model-no-r1018hg11","title":"Heavy Duty Shop Rotary  -  Screw - Model No. : R1018HG11","description":"\u003ch2\u003eCast Air Heavy Duty Shop Rotary Screw Air Compressor — Model No. R1018HG11\u003c\/h2\u003e\n\n\u003cp\u003eThe Cast Air R1018HG11 is a 10 HP horizontal-tank rotary screw air compressor priced at $8,531.45. This is not a reciprocating piston machine with a larger tank. It is a fundamentally different class of compressor technology — and if your shop has reached the point where a piston compressor, no matter how large, cannot keep up with your air demand, a rotary screw is the correct and permanent answer. At this price point, you are buying industrial production infrastructure, not just a shop tool.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote: Manufacturer specification sheets for the R1018HG11 are pending verification. The model number decoding below (R=Rotary Screw, 10=10HP, 18=displacement or CFM class, HG=Horizontal tank with Gauge, 11=possibly single-phase or 115V configuration) is based on standard industry naming conventions and requires confirmation from Cast Air. Contact us at 866-217-0063 for confirmed specifications before purchasing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRotary Screw Technology — What It Is and Why It Matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHow it works:\u003c\/strong\u003e A rotary screw compressor uses two interlocking helical rotors — male and female — turning continuously inside a precision housing. Air is drawn in at one end, trapped between the rotor lobes, progressively compressed as it travels along the rotor length, and discharged at full pressure at the other end. There are no pistons, no valves, no connecting rods. The compression is continuous and smooth.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% duty cycle:\u003c\/strong\u003e This is the defining characteristic of rotary screw compressors. A piston compressor — whether contractor or industrial class — has a rated duty cycle. It runs for a period, then must rest to cool the pump. A rotary screw runs continuously without rest. If your spray booth runs all day, if your production line never stops, if your 10-bay shop has every tech on air tools simultaneously from 7 AM to 6 PM — you need a rotary screw. Running a piston compressor at 100% duty cycle destroys it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower operating temperature:\u003c\/strong\u003e Rotary screw compressors run significantly cooler than piston machines under load. The continuous rotation of precision rotors dissipates heat more evenly than the reciprocating piston cycle. Lower operating temperature means longer component life, less oil degradation, and better air quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuieter operation:\u003c\/strong\u003e Rotary screw machines produce a continuous hum rather than the rhythmic thump-thump-thump of a reciprocating piston. Sound levels vary by installation, but rotary screw is consistently quieter than an equivalent-output piston compressor under load — a real quality-of-life factor in a shop where technicians work near the compressor all day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConsistent CFM delivery:\u003c\/strong\u003e Because compression is continuous, a rotary screw delivers steady, consistent CFM at rated pressure. There is no surge-and-recover cycle. Tools run consistently; pressure does not dip during high-demand peaks the way it can with a piston machine that is struggling to keep up with demand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil-injected design:\u003c\/strong\u003e The R1018HG11, like most shop rotary screw compressors, is an oil-injected design. Oil is injected into the compression chamber to seal the rotors, lubricate bearings, and cool the compression process. The oil is separated from the compressed air downstream by a high-efficiency oil separator. This requires monitoring oil levels and changing oil on schedule — but the payoff is a machine that runs cooler, quieter, and longer than oil-free alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Designation Decoded — R1018HG11\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR:\u003c\/strong\u003e Rotary Screw — confirms the compressor type\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10:\u003c\/strong\u003e 10 horsepower motor — the industry standard entry point for shop rotary screw compressors. 10 HP units typically deliver 35-45 CFM at 100 PSI, sufficient for high-volume shops. Exact CFM pending manufacturer confirmation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18:\u003c\/strong\u003e Likely displacement class, CFM rating, or a product family identifier within the Cast Air rotary screw lineup. Pending manufacturer confirmation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHG:\u003c\/strong\u003e Horizontal tank with Gauge — this unit includes an integrated horizontal receiver tank. The tank provides air storage volume that smooths out demand spikes and allows the screw element to operate at optimal load. Gauge indicates a pressure gauge is integrated into the system panel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e11:\u003c\/strong\u003e Likely indicates single-phase power (240V single-phase) or a specific electrical configuration. Single-phase 10 HP rotary screw compressors are available for shops that do not have three-phase electrical service — though they draw significantly higher amperage than three-phase equivalents. Confirm electrical requirements before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10 HP Rotary Screw Element:\u003c\/strong\u003e Precision-machined helical rotor pair delivering continuous, pulsation-free compressed air. No valves to replace, no piston rings to wear, no connecting rods to fail.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Duty Cycle Rating:\u003c\/strong\u003e Run it all day without rest. This is the machine you buy when your piston compressor cannot keep up, or when you know from day one that your operation demands continuous air delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Horizontal Receiver Tank:\u003c\/strong\u003e The horizontal tank configuration provides air storage without requiring a separate vertical tank installation. The receiver smooths out demand spikes and gives the screw element a buffer to operate at steady load rather than constantly chasing demand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Injection and Separation System:\u003c\/strong\u003e Oil is injected at the rotor for cooling, sealing, and lubrication. A downstream oil separator recovers the oil for reuse and delivers clean compressed air to the system. Oil carryover to the air line is minimal — typically 2-5 PPM on properly maintained units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostatic Oil Temperature Control:\u003c\/strong\u003e Rotary screw compressors include a thermostatic bypass valve that keeps oil temperature in the optimal range. Too cold and the oil does not flow properly; too hot and it degrades. The thermostatic control runs automatically.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir\/Oil Separator Element:\u003c\/strong\u003e A consumable wear item, typically replaced every 2,000-4,000 hours depending on operating conditions. This is a scheduled maintenance item, not a repair — plan for it in your maintenance budget.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInlet Air Filter:\u003c\/strong\u003e Large-capacity inlet filter protects the rotor element from airborne particulates. Replace on schedule. Running a rotary screw with a restricted or failed inlet filter is one of the fastest ways to destroy the rotor element.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Panel with Gauge:\u003c\/strong\u003e Integrated control panel displays system pressure and operating status. On modern units, this may include a digital controller with hour meters, service interval alerts, and fault diagnostics. Specific controller features pending manufacturer confirmation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Pressure Valve:\u003c\/strong\u003e Maintains a minimum pressure within the oil-flooded rotor element during operation to ensure adequate oil circulation and separation efficiency. Do not bypass or remove this valve.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Relief and Shutdown:\u003c\/strong\u003e High-temperature shutdown protects the unit from thermal damage. Pressure relief valve prevents tank over-pressurization. These safety systems are standard on commercial rotary screw equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Needs the R1018HG11\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-volume automotive shops (8-10+ bays)\u003c\/strong\u003e where multiple technicians run high-CFM tools simultaneously throughout the entire workday — impacts, ratchets, air chisels, blow guns, all running at the same time without breaks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollision and body shops running spray booths:\u003c\/strong\u003e Spray application equipment demands continuous, consistent air delivery and cannot tolerate pressure fluctuations. A rotary screw eliminates the pulsation inherent in piston compressors and delivers steady pressure through the spray cycle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSandblasting operations:\u003c\/strong\u003e Sand and media blasting are extremely high CFM applications. If you run a blast cabinet or open-air blasting, a rotary screw is nearly always required to maintain adequate CFM.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduction and manufacturing environments:\u003c\/strong\u003e Assembly lines, production cells, and continuous-use pneumatic tooling applications all require 100% duty cycle air supply. A piston compressor in a production environment will fail prematurely — this is the class of equipment that belongs on a production floor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShops adding a second compressor for redundancy or peak coverage:\u003c\/strong\u003e Some large shops run a rotary screw as their base-load machine and keep a large piston compressor as backup and peak supplement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperations that have already destroyed piston compressors by running them at 100% duty:\u003c\/strong\u003e If your last compressor died because it ran constantly without rest, stop buying piston compressors. This is the machine you actually need.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen the R1018HG11 is Overkill — and What to Buy Instead\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIf your shop has 2-3 bays running tools in normal rotation\u003c\/strong\u003e with genuine rest periods for the compressor, the Cast Air PUK5508G ($1,467.10) or PUK5520G ($1,482.40) is the correct choice. You do not need an $8,500 rotary screw for moderate shop demand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIf your shop has 5-8 bays with heavy but not truly continuous demand\u003c\/strong\u003e, the Cast Air I738HC1-S Industrial Series ($3,600.35) is likely the right call. Industrial piston compressors are built for heavy intermittent use and cost significantly less than rotary screw. Many large shops run industrial piston units successfully for decades.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe rotary screw is correct when\u003c\/strong\u003e the compressor runs continuously without meaningful rest cycles, when piston compressors consistently struggle to keep up with demand, or when application requirements (spray booths, blasting, production) specifically demand continuous-duty air delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaintenance Requirements — Know This Before You Buy\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil changes:\u003c\/strong\u003e Rotary screw compressor oil should be changed on a scheduled basis — typically every 1,000-2,000 hours depending on the oil type and operating conditions. Use manufacturer-approved compressor oil only. Do not substitute standard motor oil.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir\/oil separator element:\u003c\/strong\u003e Replace every 2,000-4,000 hours or as indicated by separator differential pressure. A failed separator element allows excessive oil carryover into the air system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInlet air filter:\u003c\/strong\u003e Inspect regularly, replace when dirty. Operating with a restricted inlet filter reduces CFM output and can cause the unit to run hot.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil filter:\u003c\/strong\u003e Replace with oil changes. Oil filters on rotary screw compressors are specific to the unit — stock a supply of correct replacement filters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt tension (if belt drive):\u003c\/strong\u003e Check and adjust belt tension per manufacturer schedule. Loose belts reduce efficiency and increase belt wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooler fins:\u003c\/strong\u003e Keep the oil cooler and aftercooler fins clean. Compressed air shops accumulate airborne oil mist, dust, and debris. Clogged cooler fins cause high operating temperatures and eventually thermal shutdown.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Planning\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical service:\u003c\/strong\u003e A 10 HP motor at 240V single-phase draws significant amperage at startup. Confirm circuit breaker sizing and wire gauge with an electrician before installation. Undersized electrical service causes nuisance tripping and motor damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Rotary screw compressors generate heat. The unit needs adequate fresh air supply and hot air exhaust. Some installations duct the heat discharge outside in warm months and recirculate it for shop heating in winter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration isolation:\u003c\/strong\u003e Install on a solid, level pad. Use anti-vibration mounts if the unit will be on a raised floor or near sensitive equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir dryer:\u003c\/strong\u003e For most applications, install a refrigerated air dryer downstream. Rotary screw compressors generate significant moisture from compressed air — especially oil-injected units. Unmanaged moisture damages downstream equipment and ruins finish work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePipe sizing:\u003c\/strong\u003e Do not throttle your rotary screw with undersized air lines. A 10 HP unit can deliver 35-45+ CFM — make sure your shop distribution piping is sized to handle that volume without excessive pressure drop.\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 R1018HG11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Rotary Screw, Oil-Injected\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e 10 HP (estimated from model designation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank Configuration:\u003c\/strong\u003e Horizontal receiver tank (from \"H\" in model designation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuty Cycle:\u003c\/strong\u003e 100% continuous\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e $8,531.45\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCFM, PSI, Tank Size (gallons), Voltage, Phase, Weight, Dimensions:\u003c\/strong\u003e Pending manufacturer specification confirmation. Contact 866-217-0063 for confirmed spec sheet before purchasing.\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 work with shop owners who are making major capital equipment decisions every day. An $8,500 compressor is a serious investment and you should buy it from someone who understands the application — not from a platform that treats it like a commodity listing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree shipping:\u003c\/strong\u003e On qualifying orders to the contiguous US. For a piece of equipment at this price point, that is a meaningful saving.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFree tech support:\u003c\/strong\u003e Call 866-217-0063 before you buy. Tell us your shop layout, your bay count, your tool list, your electrical service, and what you are running now. We will confirm whether the R1018HG11 is the right fit or steer you toward a better match.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull manufacturer warranty:\u003c\/strong\u003e Cast Air rotary screw equipment ships with the full factory warranty. We coordinate warranty service — you are not navigating that process alone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHonest guidance on sizing:\u003c\/strong\u003e If your shop does not need a rotary screw, we will tell you. If it does, we will make sure you get the right unit. We do not push the most expensive machine to every buyer — we push the machine that fits the application.\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":53342575984853,"sku":"R1018HG11","price":8531.45,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorfactorydirect.com\/products\/heavy-duty-shop-rotary-screw-model-no-r1018hg11","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}