PumpMaster 45 25:1

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Moderate pressure, high delivery double acting pumps for transfer of grease up to NLGI-2. Recommended for use with low viscosity grease in centralized grease systems that do not require a high pressure output and in large distribution systems of high viscosity oils.

Part No.:

531 211 – 400 lb drum pump

Markets Served:

Lube Trucks, In-Plant, Mining equipment maintenance

Pump Pressure Ratio 25:1
Continuous Duty Flow Rate 13.5 lb/min (6 kg/min)
Maximum Free Flow Rat 35.32 lb/min (16 kg/min)
Air Pressure Operating Range 20-200 psi (1.5-14 bar)
Maximum Outlet Pressure 5,000 psi (350 bar)
Air Motor Effective Diameter 4 1/2″ (115 mm)
Air Motor Stroke 4″ (100 mm)
Air Consumption 47 scfm (1.340 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
Application 400 Lb drum pump
Simultaneous Dispense Points 1 – No Reels
Max. Line Length 250′ (75 m)
Pump Description Heavy Duty Pressure Transfer


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