Parker Hydraulic Group
Series H Fixed Displacement, Pressure-Loaded Gear Pump

Key Features

  • Pressure-loaded design
  • Efficient, simple design - few moving parts
  • Exceptionally compact and lightweight for their capacity
  • Efficient at high pressure operation
  • Resistant to cavitation effects
  • High tolerance to system contamination
  • Reliable under cold weather operation
  • Sleeve-bearing construction
  • Multi-fluid compatibility

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Specifications

Flow Ratings:

  • 2.5 GPM (9.5 LPM) to 9.3 GPM (35.2 LPM) (At 1000 RPM) See next page for additional flow data

Pressure Ratings:

  • H25 thru H62 - 2500 PSI (172 Bar) continuous
  • H77 - 2000 PSI (138 Bar) continuous
  • H90 - 1500 PSI (103 Bar) continuous

Speed Ratings:

  • H25 thru H49 - 500 to 4000 RPM
  • H62, H77, H90 - 3600 RPM

Mounting:

  •  SAE-A - 2-Bolt Flange
    • Optional SAE-A - 2-Bolt Flange
    • Extended Front Cover
  • Housing Material:
    •  Die-Cast Aluminum