Place of Origin : Wenzhou,China

Breather ValveMain Features:Breathing valve is a kind of air breather which install on the petrochemical fixed storage tank,Website:http://www.nipovalves.com, 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:  accordin