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Dynex High Pressure Pumps

Individual piston check valves direct flow from the inlet side of the pump to the outlet port in these high pressure hydraulic pumps.

The positive-seating checkball valves provide better wear and high volumetric efficiency, especially at high pressure.



Checkball Pump Advantages

The checkball pump design is ideal for hydraulic systems with demanding conditions including:

  • pressure spikes
  • contamination
  • dirty environments
  • special fluids
  • extreme temperatures
  • long duty cycles

These high pressure pumps accommodate more force in a smaller package. At lower pressures, the pumps provide the life and performance margin essential in critical environments.

Pump Specifications

Fixed displacement pumps -
Flows from 0.22 to 60 U.S. gpm (0,83 to 227 L/min) at 1800 rpm, 
Pressures to 20 000 psi (1380 bar)

Variable delivery pumps -
Maximum flows from 12.7 to 60 U.S. gpm (48,1 to 227 L/min) at 1800 rpm, 
Pressures to 8500 psi (590 bar)



Learn more about hydraulic pumps for these applications:

High pressure pumps for operation from 6000 to 20 000 psi (420 to 1380 bar).
Oil and gas industry pumpsfor use with water glycol or mineral oil on wellhead control systems and torque-tool power units. 
Pumps for special fluids, with a wide range of viscosities and operating temperatures. Fluids include phosphate ester, calibration fluids, and various water-based and fire-resistant fluids. 
Multiple-outlet pumps for simplified multiple-function circuits without flow dividers.