weather resistance fire breather valve

Breathing valve is to maintain the tank pressure balance, reduce safety energy-saving products medium volatile, but also the use of principles of vapor heat transfer, protect the respiratory valve parts is not easy to freeze, the breathing valve to ensure the normal work.

Breathing valve produced by our company has simplified structure, ventilation volume, less leakage, corrosion resistance, insulation etc.. The valve adopts polytetrafluoroethylene material, has the advantages of low temperature resistant, anti frost. The electrostaticprotection device is provided with a respiratory valve, the valve and the tank to keep the same potential moment

Operating pressure:

Type A:+355pa(+36mmH2O) -295pa(-30mmH2O)

Type A:+355pa (+36mmH2O) -295pa (-30mmH2O)

Type B:+980pa(+100mmH2O) -295pa(-30mmH2O)

Type B:+980pa (+100mmH2O) -295pa (-30mmH2O)

Type C:+1950pa(+200mmH2O) -295pa(-30mmH2O)

Type C:+1950pa (+200mmH2O) -295pa (-30mmH2O)

Type D: according to user requirement (special pressure rating)

Note: under normal circumstances, (fire) breathing valve operating pressure to B shall prevail;

Applicable materials: gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;

Environment temperature: -40 °C -+60 ;

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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