{"product_id":"80-gallon-7-5hp-air-compressor-28-1-cfm-castair","title":"80-Gallon Vertical Air Compressor | 7.5HP 1-Phase 230V | 28.1 CFM @ 175 PSI | Two-Stage Cast Iron | Castair","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis 80-gallon vertical air compressor delivers \u003cstrong\u003e28.1 CFM at 175 PSI\u003c\/strong\u003e with a 7.5 horsepower single-phase motor designed for professional shops and industrial applications. When your pneumatic tools demand consistent high-volume air delivery, you need a compressor that doesn't cycle constantly or leave you waiting between operations. The Castair GPE211023 provides exactly that — a two-stage cast iron pump system that builds pressure efficiently and maintains it reliably across extended work sessions.\u003c\/p\u003e\n\n\u003cp\u003eThe vertical tank configuration saves floor space while providing the 80-gallon capacity your high-demand tools require. \u003cstrong\u003eTwo-stage compression\u003c\/strong\u003e maximizes efficiency by cooling air between compression stages, reducing moisture buildup and extending pump life. This design approach delivers more usable air per horsepower than single-stage alternatives, which translates to faster recovery times and less motor cycling during continuous operation.\u003c\/p\u003e\n\n\u003cp\u003eCast iron construction in the pump assembly provides \u003cstrong\u003esuperior heat dissipation and durability\u003c\/strong\u003e compared to aluminum alternatives. The cast iron cylinders maintain tighter tolerances over time and resist wear from the constant compression cycles that define heavy-duty shop use. When you're running multiple air tools simultaneously or operating equipment that demands sustained airflow, this construction advantage becomes apparent in both performance consistency and maintenance intervals.\u003c\/p\u003e\n\n\u003cp\u003eThe 7.5 horsepower single-phase motor operates on \u003cstrong\u003e230-volt power\u003c\/strong\u003e, making it compatible with standard industrial electrical service without requiring three-phase installations. This power configuration provides the torque needed to drive the two-stage pump efficiently while remaining accessible to shops that haven't upgraded to three-phase power systems. The motor includes thermal overload protection and magnetic starter controls for reliable operation.\u003c\/p\u003e\n\n\u003cp\u003eAt 28.1 CFM delivery rate, this compressor handles pneumatic tools that lighter-duty models struggle with. \u003cstrong\u003eImpact wrenches, sandblasters, and spray guns\u003c\/strong\u003e operate at their designed performance levels without the pressure drops that compromise tool effectiveness. The 175 PSI maximum working pressure provides headroom for tools that require higher pressures while maintaining consistent delivery to standard 90 PSI applications.\u003c\/p\u003e\n\n\u003cp\u003eThe 80-gallon vertical tank design maximizes storage capacity within a compact footprint. This configuration works particularly well in shops where floor space is limited but ceiling height allows for vertical equipment placement. The tank provides sufficient air storage to smooth out demand spikes and reduce compressor cycling, which extends motor life and reduces energy consumption during intermittent use patterns.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eThe GPE211023 operates with \u003cstrong\u003especific performance parameters\u003c\/strong\u003e that define its suitability for professional and industrial applications.\u003c\/p\u003e\n\n\u003ch3\u003eMotor and Power Requirements\u003c\/h3\u003e\n\u003cp\u003eThe compressor uses a \u003cstrong\u003e7.5 horsepower single-phase motor\u003c\/strong\u003e that requires 230-volt electrical service. Motor speed operates at 3,450 RPM with thermal overload protection and magnetic starter controls included. Power consumption draws 32.2 amperes at full load operation.\u003c\/p\u003e\n\n\u003ch3\u003eAir Delivery Performance\u003c\/h3\u003e\n\u003cp\u003eAir delivery rates measure \u003cstrong\u003e28.1 CFM at 175 PSI maximum working pressure\u003c\/strong\u003e. The two-stage compression system provides 31.8 CFM at 150 PSI and 35.2 CFM at 125 PSI operating pressures. Pump displacement totals 38.1 CFM for maximum theoretical output.\u003c\/p\u003e\n\n\u003ch3\u003eTank and Physical Dimensions\u003c\/h3\u003e\n\u003cp\u003eThe vertical tank holds \u003cstrong\u003e80 gallons of compressed air storage\u003c\/strong\u003e and measures 24 inches in diameter by 60 inches in height. Overall unit dimensions are 30 inches wide, 36 inches deep, and 72 inches tall including motor and controls. Total shipping weight is 230 pounds.\u003c\/p\u003e\n\n\u003ch3\u003ePump Construction Details\u003c\/h3\u003e\n\u003cp\u003eThe two-stage pump features \u003cstrong\u003ecast iron cylinders with steel connecting rods\u003c\/strong\u003e and aluminum pistons with cast iron rings. Intercooler design includes finned tubes for heat dissipation between compression stages. Pump operates at 640 RPM through belt drive reduction from the motor.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003eThe GPE211023 incorporates \u003cstrong\u003eprofessional-grade components\u003c\/strong\u003e designed for sustained operation in demanding shop environments.\u003c\/p\u003e\n\n\u003ch3\u003eTwo-Stage Cast Iron Pump System\u003c\/h3\u003e\n\u003cp\u003eThe pump assembly uses \u003cstrong\u003ecast iron construction throughout both compression stages\u003c\/strong\u003e for maximum durability and heat dissipation. The first stage compresses air to approximately 60 PSI before routing it through an intercooler to the second stage for final compression to working pressure. This design reduces operating temperatures and extends component life compared to single-stage alternatives.\u003c\/p\u003e\n\n\u003ch3\u003eVertical Tank Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 80-gallon tank stands vertically to \u003cstrong\u003eminimize floor space requirements\u003c\/strong\u003e while maximizing air storage capacity. The vertical orientation also promotes natural moisture separation, with condensate collecting at the bottom drain valve rather than pooling in horizontal sections. Tank construction meets ASME pressure vessel standards with safety relief valve protection.\u003c\/p\u003e\n\n\u003ch3\u003eSingle-Phase Motor Operation\u003c\/h3\u003e\n\u003cp\u003eThe 7.5 horsepower motor operates on \u003cstrong\u003estandard 230-volt single-phase power\u003c\/strong\u003e without requiring three-phase electrical service. Magnetic starter controls provide reliable motor protection with thermal overload sensing. The motor includes permanently lubricated bearings rated for continuous duty operation.\u003c\/p\u003e\n\n\u003ch3\u003ePressure Control System\u003c\/h3\u003e\n\u003cp\u003eAutomatic pressure controls maintain \u003cstrong\u003etank pressure between preset cut-in and cut-out points\u003c\/strong\u003e without manual intervention. The system includes pressure gauges for both tank pressure and regulated output pressure monitoring. Safety relief valve prevents over-pressurization beyond rated limits.\u003c\/p\u003e\n\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003eThis compressor configuration provides \u003cstrong\u003especific operational advantages\u003c\/strong\u003e for shops and facilities that require consistent high-volume compressed air.\u003c\/p\u003e\n\n\u003ch3\u003eSustained Tool Performance\u003c\/h3\u003e\n\u003cp\u003eThe 28.1 CFM delivery rate ensures \u003cstrong\u003epneumatic tools operate at designed performance levels\u003c\/strong\u003e without pressure drops that reduce effectiveness. Impact wrenches maintain full torque output, spray guns deliver consistent pattern quality, and sandblasting equipment operates without interruption. The 80-gallon tank capacity smooths demand spikes during simultaneous multi-tool operation.\u003c\/p\u003e\n\n\u003ch3\u003eReduced Cycling and Energy Efficiency\u003c\/h3\u003e\n\u003cp\u003eTwo-stage compression delivers \u003cstrong\u003emore compressed air per horsepower consumed\u003c\/strong\u003e compared to single-stage designs. The intercooler reduces final compression temperature, which increases volumetric efficiency and reduces moisture content in the compressed air. This efficiency translates to less frequent motor cycling and lower operating costs over time.\u003c\/p\u003e\n\n\u003ch3\u003eSpace-Efficient Installation\u003c\/h3\u003e\n\u003cp\u003eThe vertical tank design provides \u003cstrong\u003e80-gallon storage capacity within a 30-inch by 36-inch floor footprint\u003c\/strong\u003e. This configuration works well in shops where floor space is limited but vertical clearance is available. The compact footprint leaves more room for equipment and workflow while maintaining substantial air storage.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional Durability Standards\u003c\/h3\u003e\n\u003cp\u003eCast iron pump construction provides \u003cstrong\u003eextended service life under continuous operation\u003c\/strong\u003e conditions typical of professional shops. The cast iron cylinders resist wear and maintain compression efficiency longer than aluminum alternatives. Thermal management through the intercooler system reduces operating temperatures that cause premature component failure.\u003c\/p\u003e\n\n\u003ch2\u003eAdditional Information\u003c\/h2\u003e\n\u003cp\u003eThe GPE211023 requires \u003cstrong\u003especific installation and maintenance considerations\u003c\/strong\u003e for optimal performance and service life.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Requirements\u003c\/h3\u003e\n\u003cp\u003eInstallation requires \u003cstrong\u003e230-volt single-phase electrical service with 40-ampere circuit protection\u003c\/strong\u003e. The motor draws 32.2 amperes at full load, requiring appropriately sized conductors and disconnect switches. Magnetic starter controls are included but may require separate installation depending on local electrical codes.\u003c\/p\u003e\n\n\u003ch3\u003eFoundation and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe 230-pound unit requires \u003cstrong\u003elevel concrete foundation or reinforced platform\u003c\/strong\u003e capable of supporting the operating weight plus vibration loads. Anchor bolts secure the base to prevent movement during operation. Adequate clearance around the unit allows for cooling airflow and routine maintenance access.\u003c\/p\u003e\n\n\u003ch3\u003eRoutine Maintenance Schedule\u003c\/h3\u003e\n\u003cp\u003eDaily operation requires \u003cstrong\u003econdensate drainage from the tank bottom valve\u003c\/strong\u003e to prevent moisture accumulation. Weekly oil level checks ensure proper pump lubrication. Filter elements require replacement every 500 operating hours, and complete oil changes are recommended every 1,000 hours of operation.\u003c\/p\u003e\n\n\u003ch3\u003eOperating Environment Limits\u003c\/h3\u003e\n\u003cp\u003eThe compressor operates effectively in \u003cstrong\u003eambient temperatures from 40°F to 100°F\u003c\/strong\u003e with adequate ventilation for cooling. Humidity levels above 85% may require additional moisture separation equipment downstream. Indoor installation protects electrical components from weather exposure and extends service life.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty Information\u003c\/h2\u003e\n\u003cp\u003eThe GPE211023 includes \u003cstrong\u003emanufacturer warranty coverage\u003c\/strong\u003e on major components with specific terms for different systems.\u003c\/p\u003e\n\n\u003cp\u003eThe cast iron pump assembly carries a 2-year warranty against manufacturing defects in materials and workmanship. Motor coverage includes 1-year warranty on electrical components and windings. Tank construction warranty extends 5 years against pressure vessel failure under normal operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eWarranty coverage requires proper installation according to manufacturer specifications and adherence to recommended maintenance schedules. Coverage excludes wear items such as filters, gaskets, and oil, which require regular replacement during normal operation. Professional installation and initial setup are recommended to ensure warranty compliance and optimal performance.\u003c\/p\u003e","brand":"Castair","offers":[{"title":"Default Title","offer_id":43527205847246,"sku":"GPE211023","price":6010.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/5011\/4254\/files\/0320195_castair-compressor-industrial-series-80-gal.-vertical-5hp-1-phase-230v-17.5-cfm-175-psi_d1fa227a-212a-43e5-b02b-016e4126d9f2.jpg?v=1779109906","url":"https:\/\/forgeclaw.com\/products\/80-gallon-7-5hp-air-compressor-28-1-cfm-castair","provider":"Forge Claw","version":"1.0","type":"link"}