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Connection Nozzle Explosion-Proof Breathing Valve

Connection Nozzle Explosion-Proof Breathing Valve Explosion-proof fire 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,...
Product Details


Connection Nozzle Explosion-Proof Breathing Valve


Explosion-proof fire 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, equipped with fire retardant explosion-proof function.



Operating pressure:
A、-295Pa (-30mmH2O) +355Pa (+36mmH2O)
B、-295Pa (-30mmH2O) +980Pa (+100mmH2O)
C、-295Pa (-30mmH2O) +1750Pa (+180mmH2O)
D、Customer specified



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 ℃ -+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)




All our products are designed and manufactured strictly in conformity with the standard of API, ANSI, AWWA, JIS, BS and DIN, etc. Most of our manufacturers have obtained ISO 9001, API 6D, TUV and CE certificates to ensure the quality stability of the products. We provide EN10204-3.1B. Mill Test Certificate for all our supplied products.

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