Double Nozzle Breather Valve is used to install the main safety equipment on fixed roof storage tanks such as crude oil, gas oil, kerosene, light diesel oil, aromatic hydrocarbon, etc. to prevent evaporation loss and to protect the storage tank against over-pressure or vacuum. Generally, this breather valve is used with flame arrester together.

Specification:

Nominal Size:DN20~DN300

Connection End: Flange

End Standard:GB, GOST, EN, DIN, ANSI, API etc.

Operation Pressure:355Pa~1765Pa

Application:Urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, environmental protection etc.