PV4000 Series Variable Delivery Pumps


12.2 to 14.0 gpm (45,2 to 53,0 L/min) at 1800 rpm
Rated: 4 000 psi (280 bar), Maximum: 6 000 psi (420 bar)

  • Contamination tolerant, for operation in dirty environments.
  • A wide range of fluid compatibility, for reliable operation with low-lubricity, low viscosity fluids.
  • Shaft Options: Standard keyed. Optional spline.
  • Seal Options: Standard Nitrile. Optional Fluorocarbon, or Optional EPR seals for use with some phosphate ester fluids.
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Product Specifications

Pump Models ①④Flow at 1500 rpm ②
U.S. gpm | L/min
Flow at 1800 rpm ②
U.S. gpm | L/min
Rated Pressure
psi | bar
Max. Pressure ③
psi | bar
Speed rpm
Rated | Max.
Ports are Standard SAE:

Pump Selection Notes

  1. Please refer to product literature for complete specifications including seal and port options.
  2. Output flows are based on typical performance at rated pressure with pressurized inlet where required.
  3. High pressure models require the use of outlet port “A” (Autoclave/Butech fitting) or “B” (British Standard Pipe Parallel fitting). Pumps with ports for standard SAE fittings are not recommended for operation above 8000 psi (560 bar). Contact the fitting manufacturer for the pressure rating of the fitting.
  4. These pumps are not bi-directional. Rotation must be specified, viewed from the shaft end.


3D Model


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Design and Operating Advantages

An introduction to Dynex checkball hydraulic pumps and their unique design which allows them to operate reliably with a wide range of fluids at high pressures.


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