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Atmospheric Pressure Quick Open Breathing Valve

Atmospheric Pressure Quick Open Breathing Valve

Atmospheric Pressure Quick Open Breathing 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...
Product Details

Atmospheric Pressure Quick Open Breathing Valve

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.


Operating pressure:
Type A: +355pa(+36mmH2O) -295pa(-30mmH2O)
Type B: +980pa(+100mmH2O) -295pa(-30mmH2O)
Type C: +1970pa(+200mmH2O) -295pa(-30mmH2O)
Type D:  according to user requirement (special pressure rating)


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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1 Are you a factory or trading company? 
We are a factory specialized in manufacturing valves and fitting over 20 years. 
And we have got the verification of compliance ISO9001&CE certificate of
Manufacturing and processing of valves and fittings

2 Where are the main markets for your products? 
We hope to make business with companies from all over the world. And for now, our valves and fittings have Been exported to especially in North America, South America, South Asia, Europe and Middle East. 

3 Do you have a minimum quantity of the products? 
No, we will build business with you with even 1PC. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service. 

4 Are samples available to be sent with free? 
It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer. 

5 Can you print our Logo on the valves? 
Yes, we can totally produce products according to your special request, even manufacture it base on your drawing. 

6 What is your lead time? 
It's around 15 days normally. If we have the products in stock, it will be about one week. 

7 How can I check your factory situation while it's difficult for me to come to China? 
We have photos and videos on our website and facebook, It shows every step of the manufacturing. 

8 How can you guarantee the quality of products? 
Firstly, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every valve or fitting we sell is qualified. 

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