Relief valve – Ventable

A Ventable Relief Valve (RV) is a type of relief valve used to:

  • Act as safety valves. They protect fixed displacement pumps and directional control valves when pump output flow is intermittently blocked.
  • Limit pressure overshoot associated with pressure compensated pumps.
  • Protect hydraulic actuators (cylinders & motors) from shock pressures associated with starting and stopping heavy loads.

Specifications of Relief Valve Ventable (RV):

  • Rated flow of up to 480 LPM
  • Maximum pressure of 420 Bar

Special features of ventable relief valve:

  • Port 3 allows an ventable relief valve to be remote controlled or to be used for pump unloading


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