ZCHX-V Pressure Relief Valve

Producdt Description

ZCPE-pilot operated  breather valve with flame arrester is a bit different with breather valve ,first let the seat leakage closer to set point ,second  full flow without overpresure ,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, equipped with fire retardant explosion-proof function.

Fire breathing valve produced by our company has simplified structure, ventilation volume, less leakage, corrosion resistance, insulationetc.. 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 B: +980pa(+100mmH2O)-295pa(-30mmH2O)
Type C:  +1950pa(+200mmH2O) -295pa(-30mmH2O)
Type D: according to user requirement (special pressure rating)
Material: WCB SS304 SS304L SS316 SS316L
Flange Standard: HG/T20592-2009   ANSI B16.5

HG/T 20615-2009(Class series)

HG/T20592-2009 (PN series)

ANSI B16.5

AMSE B16.5

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 °C;

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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