Round-The-Clock Resistance Fire Breathing Valve

Model NO.: QHXF-89 Class: 150lb to 2500lb Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch Trademark: NIPO Origin: Wenzhou, Zhejiang, China Size: Dn50 - Dn300 Certificates: API 6D, CE, ISO9001 Delivery Detail: 20~45 Days According to The Specific Quantities Specification: API6D, ISO9001, CE, SGS, etc HS Code: 8481804090
Round-the-clock Resistance Fire Breathing Valve


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.

Breathing valve is to maintain the tank pressure balance, reduce safety energy-saving products medium volatile, but also the use ofprinciples 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, 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 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 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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Naibang will be one of your best parters in China.

Any interest,please do not hesitate to contact us.

 

Specifications
Applicable Standards
Design	ASME B16.34, API6D
Fire safe	API 607
Anti static	API 608, API6D
Face to face	ASME B16.10, API6D
Welding ends	ASME B16.25
Inspection and test	API 598, API 6D

Contact us if you need more details on Breath Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Breathing Valve、Breather Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Breathing Valve Series