Unoair UB20 Single-Stage Air Compressor Pump, 2 HP, 8 CFM at 100 PSI
The UB20 is Unoair's 2 HP single-stage twin-cylinder pump in cast iron, the light end of the range and a common replacement on small shop and portable compressors. At 44 lb it is one of the easier pumps to swap single-handed, and it bolts to either a 56 or a 145 frame motor, which covers most of what is already sitting in a shop.
Key specifications
- Horsepower: 2 HP
- Delivery: 8 CFM at 100 PSI
- Stages and cylinders: single stage, 2 cylinder
- Construction: cast iron
- Motor frame: suitable for 56 and 145 frame motors
- Weight: 44 lb
Cross reference
This pump is also catalogued as a replacement for the Campbell Hausfeld VT4923 platform, so it is worth checking against your existing pump's mounting and shaft before ordering if that is what you are replacing.
Service notes
Oil level before every run, oil change on schedule, clean intake filter. Cast iron and only two cylinders makes this one of the simpler pumps to live with, but it is still single stage, so keep the cut-out pressure inside what the pump is rated for and give it time to cool on heavy duty cycles.
Typical applications
Replacement pump for 2 HP portable and small stationary compressors, shop carts, service trucks, farm and ranch air, and custom builds on a 56 or 145 frame motor with a 10 to 30 gallon receiver.
The Unoair UB20 single-stage air compressor pump delivers 8 CFM at 100 PSI on 2 HP, in cast iron with two cylinders, for 56 and 145 frame motors.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
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