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Back-fire Relief Valve
Breather valve is used to install the crude oil, gasoline, kerosene, light diesel oil, aromatic hydrocarbons and other fixed roof tank safety equipment, is reduced storage tank of oil product evaporation loss and protection from damage when the overpressure or vacuum. The valve which is equipped with flame arrester.
 
Features
 
1.air quantity is big, sealed performance is good, small amount of leakage and corrosion resistance.
2. Operating pressure
 
Grade A positive pressure: 355 Pa (36 mm Water column);
 
Negative pressure: 295 Pa (30 mm Water column)
 
B positive pressure: 980 Pa (100 mm Water column);
 
Negative pressure: 2 9 5 Pa (30 mm Water column)
 
C level positive pressure: 17 5 6 Pa (180 m water column);
 
Negative pressure: 295 Pa (30 mm water column)
 
 
Explosion Proof Carbon Steel Flanged Flame Arrestor
 It is one of the measures to protect the drainage gas system in all coal mine gas drainage systems.
1.Working temperature:-40℃~45℃;
2.Working pressure:80Kpa~106Kpa;
3.Working air humidity:≤95%(25℃);
4.Gas pressure:≤30Kpa
 
Specifications