HXF4-type take-out takeover fire-resisting breathing valve features and performance: With take-over takeover fire-resisting breathing valve is mounted on the roof of the indoor fixed take-over respiration, it can automatically adjust the pressure difference between the inside and outside of the oil tank, its performance is reliable , Stable, in full compliance with Ministry of Petroleum Industry SY7511-87 Department standards.

With exhaled breath fire resistance breathing valve with the scope of
Take-out resistance fire breathing valve is suitable for storing Class A oil flash point below 28 ℃ and class B oil flash point below 60 ℃, such as gasoline, benzene, kerosene, Light diesel, thick oil and other oil products and the nature of the chemical storage tanks. 

With exhaled takeover fire breathing valve specifications