Breathing Valve

Breather ValveMain Features: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 ParameterOperating pressure: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) Applicable materials: gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials; Environment temperature:-40 ºC -+60 ºC; Shell material: HT, AL, A3, 18-8, 304, 304L, 316, 316L. Flange standards: HG20592-97 PN1.0 (also can be produced according to user specified criteria)

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