安全阀广泛应用于建材、冶金、煤碳、热电等行业。它用于仓库顶因物理变化而产生的内压，易爆气体的排放及安全防范。

The valve is widely used in building material, metallurgy, coal carbon and thermoelectricity industries etc. It is applied in top of storage where inner pressure is made because of physics change, the let-off of easy-exploding and safety prevention.

性能参数：

Performance parameter:

AQF-Ⅰ外形连接尺寸：

Appearance joint dimensions