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Pressure Vacuum Relief Valve With Flame Arrestor

Explosion-proof fire breathing valve is to maintain the tank pressure balance, reduce safety energy-saving products medium volatile, but also the use of principles of vapor heat transfer, protect the respiratory valve parts is not easy to freeze, the breathing valve to ensure the normal work, equipped with fire retardant explosion-proof function.
Product Details

Atmospheric Pressure Vacuum Relief Valve with Flame Arrestor

All-weather fire proof &explosion-proof breathing valve is designed to vent to atmosphere to protect   your tank from damage created by over-pressure or excessive vacuum.The flame arrestor performs as an extinguishing barrier,which absorbs and dispels heat,reduces fire temperature and the oxygen level to stop the fire through layers of metal ribbons shaped with crimped corrugations.

Product features:


Pressure settings 355pa-1750pa

Vacuum settings-295pa

All weatger coating

With flame arrestor

Flange standards: 

HG20592-97 PN1.0 (also can be produced according to user specified criteria)

Shell material: 

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



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