Parker Hydraulic Group
PSH20 Series Air-Actuated Unloading Pump

Key Features

  • Flows to 98 GPM per section
  • Tandem & triple section units available
  • Pressures to 2500 PSI
  • Speeds to 2500 RPM
  • Pressure & flow sensing valves available
  • Dry valve option
  • Piggy back option available
  • Also available as motor
  • Cast iron versions available
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Tandem Pump With Air-Actuated Unloading Valve

This tandem pump with air-actuated unloading valve is commonly used to select either the combined flow rate of both pump sections. or the flow rate of only one pump section.

Description ..................................... Air-Actuated Unloading Pump
Combined Flow Range ... To 98 GPM Per Selection (370.9 LTR.)
Displacements ... To 9.10 C.I.R. Each Section (149.12 CC’s/REV.)
Maximum Pressure to ...................................... 2500 PSI (172 BAR)
Maximum Speed to ........................................................... 2500 RPM
Rotation ......................................................................................A or C
Bearings ................................................................................... Journal
Construction .......................................................................Aluminum