| 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).
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