Champion R-70A Bare Compressor Pump
Loaded with rugged features, the Champion® R-Series bare (replacement) compressor pumps deliver high performance, long life, and tremendous value. The splash-lubricated R-70A pump is used on the following Champion R-Series 20–30HP model compressors: BR20, HR20-12, HR20-24, HR20D-24, BR25, HR25-12, HR25-24, HR25D-24, BR30, HR30-12, HR30-24, and HR30D-24. CALL FOR SPECIAL PRICING OPTIONS! The R-70A ships free in the continental United States. For international and outlying state delivery rates, please contact the Nuvair sales team for assistance.
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Why Buy a Champion R-Series from Nuvair.com? You have options when it comes to buying a Champion R-Series compressor. So why choose Nuvair.com? Because we’re not just another online retailer—we’re a full-service compressor company with decades of hands-on experience. Unlike drop shippers who simply process orders from behind a screen, we service what we supply and support every customer like a partner. When you buy from Nuvair.com, you're investing in more than just equipment. You're gaining access to a team of compressor experts committed to helping you keep your system running smoothly. Whether it's maintenance, repairs, or product support, our in-house technicians are just a call, click, or email away. Experience the Nuvair difference—reliable products, expert service, and real customer care. Contact us today to learn more and for special pricing options. |
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Splash-Lubricated R-Series Pumps Feature the Following:
- Multi-Finned Cylinders
Cooler operating temperatures result in longer life and consistent performance over time. - Integral Cylinder Head
Gasketless design eliminates the possibility of blown head gaskets for trouble-free operation. - Balanced Pistons
Aluminum alloy first-stage piston and cast iron second-stage piston ensure proper balance. - Piston Rings
Two high efficient lap joint compression rings with bi-directional seal provide the most efficient air delivery. - Lightweight Connecting Rods
High-density, die-cast aluminum alloy rods minimize reciprocating weight. An integral, precision-bored crankpin bearing and needle bearing for the wrist pin minimize friction and properly distribute loads for extremely long life. - Pressure Relief Valves
Located in interstage and discharge. - Large Capacity Crankcase
Rugged cast iron oil reservoir has convenient sight gauge glass, corner oil fill boss and large oil drain. - Intercoolers
Large diameter finned tubing is positioned to obtain the greatest cooling effect between stages for maximum compressor efficiency. - Optimized Cooling Fan/Flywheel
Precision balanced flywheel has fan blades for optimum compressor cooling and life. - Reliable High-Flow Disc Valves
Single-unit, disc-type valves provide low lift and long life. Discs are made of corrosion resistant steel, valves are easily serviced by removing the manifolds. - Oversized Main Bearings
Tapered roller-type main bearings provide full contact and support of the crankshaft plus deliver the longest possible life. - Balanced Crankshaft
Constructed of rugged ductile iron with large diameter throws for minimum bearing loads and large counterweights to minimize vibration. - Loadless Starting
Mechanical governor-type centrifugal unloader assures longer motor life by allowing the compressor to start unloaded every time.
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R-Series Pump Options Include:
- Head Unloaders
- Low Stop Oil Control
- Food Grade Oil
- High Temperature Switch
- Air Filter Maintenance Indicator
Specifications
| SKU | Cylinders | Horsepower | Min / Max Pump RPM |
Max Pressure |
Dimensions (L x W x H) |
Shipping Weight | Oil Capacity |
Bore and Stroke |
|---|---|---|---|---|---|---|---|---|
| R-70A | 4 | 20, 25, 30 | 425 / 1000 | 175 psi 12 bar |
26.7 × 33.5 × 33.8" 67.8 × 85.1 × 85.9 cm |
570 lb 259 kg |
6.5 qt | 6-1/4" (2) & 3-1/4" (2) × 4" 158.8mm (2) & 82.6mm (2) × 114.3mm |
Standard Warranty
The standard warranty covers parts and labor on the package components for one year and three years on the compressor pump. The Champion philosophy ensures long-lasting, reliable equipment. Our warranty program demonstrates our confidence in our products. Each new Champion assembled unit has a 3-year warranty on the compressor pump against defects in materials of workmanship under normal use and service.
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Premium Extended Warranty
Purchase a Premium Warranty Kit at the same time as your new Champion compressor package to receive extended warranty protection. This offer will double the coverage with an additional 3 years of warranty on the compressor pump (parts & labor) providing 6 YEARS of worry-free coverage. The Premium Extended Warranty also provides an extra 12 months coverage on the package for a total of 24 months. See Premium Warranty form BU-28 for complete extended warranty details.
- Premium Warranty kit has all necessary service items (oil & filters) for 6 years of annual maintenance.
- The use of approved Champion lubricants is required to maintain the extended warranty period.
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