Explosion-Proof Flame Breathing 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 vacuum making the storage tank destruct, prevent the outside flame enter, reduce the tank fluid volatile.
Main technology parameter:
☆Apply to every kinds of petorleum,chemical,medical,energy resources,special fluid or gas etc medium.
☆Body material:WCB,SS304,SS316,SS304L,SS316L,Aluminum alloy.
☆Disc,seat material:Stainless steel,Aluminum alloy.
☆Connection type:flange and thread.
☆Flange standard:HG20592 If customer need standard GB,SH,HGJ,JB,ANSI,JIS etc or change pressure class,please remark.
☆Manufacture,inspection standard:arrocding to (petroleum storge tank breathing valve)SY7511-87,(petroleum storage tank flame retardant performance and test method).GB5908-86 standard implement manufature and inspection or customer required standard.
under normal circumstances, (fire) breathing valve operating pressure to B shall prevail;
gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;
-40 ºC -+60 ºC;