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Atmospheric Pressure Vacuum Relief Breather Valve

Atmospheric Pressure Vacuum Relief Breather Valve

Breathing valve is a kind of air breather which install on the petrochemical fixed storage tank, in order to avoid tank over the pressure or over vacuum making the storage tank destruct, prevent the outside flame enter ,reduce the tank fluid volatile. Operating pressure: A、-295Pa (-30mmH2O)...
Product Details



Breathing valve is a kind of air breather which install on the petrochemical fixed storage tank, in order to avoid tank over the pressure or over vacuum making the storage tank destruct, prevent the outside flame enter ,reduce the tank fluid volatile.


Operating pressure:

A、-295Pa (-30mmH2O) +355Pa (+36mmH2O)
B、-295Pa (-30mmH2O) +980Pa (+100mmH2O)
C、-295Pa (-30mmH2O) +1750Pa (+180mmH2O)
D、Customer specified

Working medium:
Gasoline 、kerosene、diesel oil、aromatic naphtha、air etc, or other petrochemical material.

The stardand of manufacture and inspection
Manufacture and inspection reference to standard“SY/T0511.1-2010”.

Remark:flange connection adopt toHG/T20592-2010,PN1.0MPa,also can manufacture meet customer’s demand according to HG、JB、ANSI-B16.5、JIS.

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