{"product_id":"castair-i518hc1-s","title":"Castair I518HC1-S","description":"\u003ch2\u003eCastair I518HC1: 5HP Single-Phase Industrial Air Compressor — 80 Gallon Horizontal with Aftercooler (Base, Starter Variant)\u003c\/h2\u003e\n\n\u003cp\u003eThe Castair I518HC1 is a 5-horsepower, single-phase, 80-gallon horizontal industrial air compressor with the C1 cast iron pump and aftercooler. This SKU (I518HC1) in our database corresponds to the I518HC1-S configuration — the C1 pump with aftercooler on an 80-gallon horizontal tank.\u003c\/p\u003e\n\n\u003cp\u003eAt 767 RPM, 22.0 CFM free air delivery, and 17.5 CFM at 175 PSI, this is sized for a 1-2 technician shop running standard pneumatic tools. The aftercooler (BGAC1M, belt guard mounted, 35 CFM rated) is the key differentiator from the base I513HC1 series — it cools compressed discharge air before it enters the tank, reducing moisture carryover to your air lines, tools, and downstream processes.\u003c\/p\u003e\n\n\u003cp\u003eSingle-phase power makes this accessible to any shop with standard electrical service — no phase converter, no 3-phase utility requirement. The 80-gallon horizontal tank fits in low-ceiling locations where a vertical tank would not clear.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003ch3\u003eC1 Pump\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump designation:\u003c\/strong\u003e C1 — Two-stage, Inline 2 cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated HP range:\u003c\/strong\u003e 4-7.5HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump RPM:\u003c\/strong\u003e 767\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil capacity:\u003c\/strong\u003e 2 quarts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e 100% cast iron — cylinders, heads, valve plates, crankcase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Tapered roller bearings at both crankshaft ends\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnecting rods:\u003c\/strong\u003e Precision steel with automotive-type rod insert bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves:\u003c\/strong\u003e Disc and spring — field-replaceable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePistons:\u003c\/strong\u003e 4-ring configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnloader:\u003c\/strong\u003e Centrifugal — loadless start-up every cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAftercooler\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BGAC1M — belt guard mounted, 35 CFM rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Cools compressed discharge air, condenses moisture before tank entry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBenefit:\u003c\/strong\u003e Drier air delivered downstream — important for spray painting, sandblasting, and moisture-sensitive pneumatic tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTank and Motor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank capacity:\u003c\/strong\u003e 80 gallons, horizontal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank construction:\u003c\/strong\u003e Powder-coated ASME-rated steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety valve:\u003c\/strong\u003e ASME-rated, factory installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 5HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e Single-phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor speed:\u003c\/strong\u003e 1725 RPM industrial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService factor:\u003c\/strong\u003e 15% minimum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax working pressure:\u003c\/strong\u003e 175 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerformance Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor output:\u003c\/strong\u003e 5 HP, single-phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank capacity:\u003c\/strong\u003e 80 gallons, horizontal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e C1 (Two-stage, Inline 2), 767 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree air delivery (0 PSI):\u003c\/strong\u003e 22.0 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery at 175 PSI:\u003c\/strong\u003e 17.5 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax pressure:\u003c\/strong\u003e 175 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (LxWxH):\u003c\/strong\u003e 64 x 20 x 48 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 600 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCastair compressor — fully assembled on 80-gallon horizontal tank\u003c\/li\u003e\n\u003cli\u003eBGAC1M belt guard mounted aftercooler (35 CFM)\u003c\/li\u003e\n\u003cli\u003eASME safety valve (factory installed)\u003c\/li\u003e\n\u003cli\u003ePressure switch with unloader\u003c\/li\u003e\n\u003cli\u003eTotally enclosed metal belt guard\u003c\/li\u003e\n\u003cli\u003eCopper discharge and unloader tubing\u003c\/li\u003e\n\u003cli\u003eOwner's documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eCall us at 866-217-0063 to confirm starter inclusion and current configuration details for this SKU before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhen Does a Shop Need This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1-2 technician shop on single-phase power where aftercooler-treated air is required for spray work or moisture-sensitive applications\u003c\/li\u003e\n\u003cli\u003eLow-ceiling installations where a vertical tank is not practical\u003c\/li\u003e\n\u003cli\u003eShops running body work, detail operations, or sandblasting alongside general air tool use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h2\u003e\n\u003cp\u003eWe have specialized in industrial air compressors and shop equipment since 2016. We can confirm current configuration specs, lead times, and options for any Castair unit before you order. Call us — a 5-minute conversation saves a lot of confusion.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e to commercial addresses in the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree tech support\u003c\/strong\u003e at 866-217-0063\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFull Castair manufacturer warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized dealer\u003c\/strong\u003e with direct Castair factory support\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":53342562844885,"sku":"I518HC1","price":6737.9,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-i518hc1-s","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}