QZF -89 Type All-Weather Fire Proof Breathing Valve

QZF -89 Type All-Weather Fire Proof  Breathing Valve

Main Features:

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.

Speceficatipn

Material:WCB,LCB,WCC,CF8M.CF8,304,316,AL

Size:50mm-300mm

Pressure Setting:355Pa-1750Pa

Vacuum Setting :-295Pa 

Main Technology Parameter

Applicable materials: 

gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials

Environment temperature:

-40 ºC -+60 ºC

Shell material: 

HT, AL, A3, 18-8, 304, 304L, 316, 316L

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience,we assure you,

Naibang will be one of your best parters in China.