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Pumpmaster 45 – 6:1 ratio oil pump (stub pump)

Pumpmaster 45 – 6:1 ratio oil pump (stub pump)


  • Air operated piston pump
  • Ideal for large systems
  • Medium pressure, high delivery pump
  • Suitable for simultaneous operation outlets



Universal Stub Pump

Pneumatic piston oil pump – 6:1, Stub


PM45 series air operated piston pumps. Double acting air operated medium pressure for large systems with simultaneous operation outlets that require a high delivery pump. Built in port for optional pressure relief valve (PN 609 007).

Flange mounted pump. Maximum air consumption with 5 bar (72 psi) air inlet pressure an 80 cpm.

Maximum noise level measured at 1 m from the pump, 7 bar (102 psi) air pressure and free delivery.

Fluids handled

  • Synthetic and mineral based lubricants
  • Hydraulic oil
  • Gear oil
  • Transmission fluid

Markets served

  • Large auto and lube truck dealers
  • Construction equipment maintenance
  • Mining equipment maintenance
  • Large fleets
  • Railroad and mass transit maintenance
  • Marine
  • In plant oil distribution


Pumpmaster 45 – Stub
Wetted materials Steel, Cast iron, Hard chromed steel, NBR, Polyurethane
Air consumption 830 NL/min (29 scfm)
Weight 17 kg
Pressure ratio  6:1
Pump mounting Universal stub pump
Air motor effective diameter 115 mm
Maximum free flow delivery (SI) 95 l/min
Delivery 25 l/min
Air pressure operating range 1.5 – 12 bar (21.75 – 174 psi)
Total height 702 mm
Noise level 80 dB
Air motor stroke 100 mm
Cycles per minute (aprox.) 80 cycles

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