Pressure Reducing Valves


  • Explain how a pressure reducing valve functions
  • List common uses of pressure reducing valves

What Is It?

A pressure reducing valve lowers the downstream pressure.

It is often used to limit pressure in pilot operated, directional control valves. The pilot pressure that is required for these valves is usually well below the maximum system pressure.

A pressure reducing valve may also be used to limit cylinder force or limit brake application or release pressure in some mobile machines. These lower pressures help prolong component life. It is desirable overall, to operate sub-circuits and actuators at the lowest pressure that still allows the work to get done.

2020 PSI
300 PSI
2000 PSI
Pilot pressure should be 300 psiCylinder needs 2000 psiThere is no flow after the pressure reducing valve, just enough to bump the pilot operated, directional control valve over.

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