EMERGENCY PRESSURE VACUUM RELIEF VENT COVER

According to API 2000 code, the emergency pressure & vacuum relief vent cover of Model KSEV are designde, manufactured and tested.Model KSEV, which is used for the protector of fluid storge tank, is composed of a body with the functions of emergency pressure relief and vacuum relief.This valve has two functions : one is to discharge rapidly the overpressure developed during the fire around the stoage tank or the excessive fluid intake more than the capacity of pump designed, the other is to intake the air under the constant pressure for the irregular opreation of normal vacuum relief valve during the unloading. This is the safe valve to protect the storage tank from the deflation(vacuum) and inflation(pressure). Emergency P/V relief manhole coverSize : 16 through 24 Pressure setting : 50mmW.C to 700mmW.CVacuum setting : 22mmW.C to 700mmW.C