Pilot Operated P/V Valve


Pilot Operated P/V Valve

Pressure relief valves are major emission control devices, pilot-operated pressure/vacuum relief valves are used on liquid storage tanks and other process vessels or systems to prevent structural damage due to excess internal pressure or vacuum.



The pilot-operated valve is a self-contained system that does not require any external power or pressure source. The pilot valve, using system media and pressure, automatically controls the actuator pressure to either open or close the main valve depending on the pressure setting of the pilot vs the actual system pressures.


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