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
Type A: +355pa(+36mmH2O) -295pa(-30mmH2O)
Type B: +980pa (+100mmH2O) -295pa (-30mmH2O)
Type C: +1950pa(+200mmH2O) -295pa(-30mmH2O)
Type D: according to user requirement (special pressure rating)
gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;
-40 oC -+60 oC;
HT, AL, A3, 18-8, 304, 304L, 316, 316L.
HG20592-97 PN1.0 (also can be produced according to user specified criteria)