In an emergency (fire or in case of malfunction of Breather Valve), it may become necessary for the extraordinarily high, suddenly occurring venting requirements to be met.
In the fire/pressurize condition, its require to release large amount of flow and depressurize the vessel.
Size available 4(150 NB) to 32(700 NB).
MOC available in Aluminium, A216 Gr. WCB, SS 304 , SS 316