Samson 532811 PumpMaster 60 Grease Pump for 400 lb. (55 Gal) Drum, 25:1 Pumping Ratio, 8000 Max PSI.
Very high pressure and high volume delivery double acting pump for use in applications that require extra pressure and volume output where cold temperatures or low air pressure could limit pump performance.
Pump Pressure Ratio: 25:1
For grease up to NLGI No. 2
Continuous Duty Flow Rate: 13.5 lb/min (6 kg/min)
Max Free Flow Rate: 35.32 lb/min (2 kg/min)
Air Pressure Operating Range: 20-100 PSI (1.5-7 bar)