Samson 304 55:1 Grease Pump
PumpMaster 3, 55:1 Pressure Ratio Grease Pump
Model 304 - 55 Gallon (400 lb.) drum
Model 304 - 55 Gallon (400 lb.) drum
Double acting air operated pumps for high pressure greasing. Primarily recommended for use in portable greasing units.
Typically used in portable applications in workshops, service stations and fleet maintenance.
Pump includes bung adapter.
Technical Data:
| Pressure ratio | 55:1 |
| Pump tube diameter | 1" (26 mm) |
| Air piston diameter | 3" (70 mm) |
| Air piston stroke | 1.5" (35 mm) |
| Maximum free flow capacity | 21 oz./min (600 gr/min) |
| Minimum air pressure | 40 psi (3 bar) |
| Maximum air pressure | 140 psi (10 bar) |
| Maximum fluid pressure | 7700 psi (550 bar) |
| Air inlet | 1/4" NPSM (F) |
| Fluid outlet | 1/4" NPSM (F) |
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