PM3 Air Operated Grease Pumps

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The Samson Corporation PM 3 double acting air operated grease Pumps are designed for high pressure greasing. They are primarily recommended for use in portable greasing units and are typically used in workshops, service stations and fleet maintenance shops.
  • Model 300: 5 Gallon, 35# pail - Model 302: 16 Gallon, 120# keg
  • Model 304: 55 Gallon, 400# drum - Pressure ratio: 55:1
  • Pump tube diameter: 1”
  • Air piston diameter: 3”
  • Air piston stroke: 1.5”
  • Maximum free flow capacity: 21 oz/min
  • Minimum air pressure: 40 psi
  • Maximum air pressure: 140 psi
  • Maximum fluid pressure: 7700 psi
  • Air inlet: 1/4” NPSM (F)
  • Fluid outlet: 1/4” NPSM (F)
  • Pump includes bung adapter