QZF -89 Type All-Weather Fire Proof Breathing Valve
The breathing valve is a safe and energy-saving product to maintain the pressure balance of the storage tank and reduce the volatilization of the medium. the breathing valve makes full use of the pressure bearing capacity of the storage tank itself to reduce the medium emission. the principle is to use the weight of the positive and negative pressure valve disc to control the exhaust positive and inspiratory negative pressure of the storage tank.
Vacuum Setting :-295Pa
Main Technology Parameter
gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials
-40 ºC -+60 ºC
HT, AL, A3, 18-8, 304, 304L, 316, 316L
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