... metal compensators and mufflers Structural features Air operate Fan Shape Gate Valve Welded quality steel, the valve open and flexible ... long life and other characteristics. Scope Air operate Fan Shape Gate Valve Widely used in mining, metallurgy, building materials, electric ... 28m / s Suitable medium Dry dust Suitable temperature ≤ 350 °C Driven approach Electro-hydraulic, pneumatic, electric, manual