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High pressure double acting pump for use in applications requiring extra pressure output due to cold temperatures or when low air pressure could limit pump performance. Pumps can be used with grease up to NLGI-2 viscosity.


Pump Pressure Ratio


Continupus Duty Flow Rate

4.5 lb/min (2 kg/min)

Maximum Free Flow Rat

16.5 lb/min (7.5 kg/min)

Air Pressure Operating Range

20-100 psi (1.5-7 bar)

Maximum Outlet Pressure

7,000 psi (490 bar)

Air Motor Effective Diameter

4 1/2" (115 mm)

Air Motor Stroke

4" (100 mm)

Air Consumption

33 scfm (925 NL/min)

Air Inlet

1/2" NPTF

Fluid Outlet

1/2" NPTF

Wetted Materials

Cast Iron, Steel, Hard Chromed Steel, UHMWPR, NBR

Noise Level

80 dB


120 lb keg, 400 lb drum, Bulk tote

Simultaneous Dispense Points


Max. Line Length

600' (175 m)

Pump Description

Heavy Duty High Pressure

531721 - PumpMaster 45 70:1 - 120lb Keg Pump

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