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Double Connection Flame Retardant Breather Valve

Double Connection Flame Retardant Breather Valve

Double Connection Nozzle Flame Retardant Breather 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...
Product Details

Double Connection Nozzle Flame Retardant Breather 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.


Take out take (fire) breathing valve overview:

1.Take out over the (fire) breathing valve type HXF-HJ/HJZ is a new improved type respiratory valve, set the dual role breathing valve and tank fire arrestor, and then exhale take over.
According to the national standard of "petroleum chemical enterprise design specification for fire" (GB50160-92) Regulations: "fixed roof tank Chu Cunjia, B liquid, flame arrester should be located and breathing valve".
Take out take (fire) breathing valve type HXF-HJ/HJZ is the main safety equipment for crude oil, gasoline, kerosene, indispensable light diesel, aromatics and other fixed roof storage tank, is to prevent the evaporation loss and protect the tank overpressure or vacuum in the subject effect from destruction.
Take out take (fire) breathing valve is the maintenance of tank pressure balance, reduce safety energy-saving products medium volatile.
Take out take (fire) breathing valve HXF-HJ/HJZ type ventilation and fire retardant device installed in the fixed roof tank, can rise to reduce the evaporation loss, control the tank pressure balance control and flame interaction.
It can carry out the features of automatic adjustment on tank inside and outside pressure.
2.A lot of breathing valve variety, each have different properties and characteristics, the choice should be to meet the conditions in accordance with its characteristics, whether can achieve optimal running effect, to consider various aspects of some objective factors.
Take out take (fire) breathing valve type HXF-HJ/HJZ is one of the most popular products, with exhale take over (fire) breathing valve in the system play a security role.

In practical application, its characteristics should be selected according to the type of the actual needs, and based on the maximum discharge capacity to choose their path is the best scheme.


Exhaling and Suction pressure:

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

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

Type C: +1950pa(+200mmH2O) -0.5Kpa(-50mmH2O)

Type D: +4KPa(operation pressure can decide by customer's 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:
-30ºC -+60 ºC;

Shell material: 
WCB, AL,CF8, 304, 304L, 316, 316L.

Flange standards: 
HG20592-97 PN1.0 (also can be produced according to user specified criteria)


Product:

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Workshop:

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FAQ: 

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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