1, structural features
AQF-I safety valve is comprised of inner and outer double circles. Its features are simple structure, light weight and easy installation. The inner shell shows a safety and reliability with 0.2 Mpa leaking test. The valve is mainly used and installed on the roof of material storage warehouse to remove the gas or flammable gas. It is applied widely in metallurgy, building materials, electric power, mining and other industries.

2. The work Principle
the flammable gas with a certain pressure caused by physical and chemical reaction is decompressed in the safety valve and then released for the sake of safety.

3. Shape installing size (see drawing)

drawing 1 shape structure of AQF-I safety valve