... burying conveyor ,bucket elevator,power humidifier ,and sludge discharge machine ,various metal and non-metal compensators and mufflers Structural ... long life and other characteristics. Scope Air operate Fan Shape Gate Valve Widely used in mining, metallurgy, building materials ... / s Suitable medium Dry dust Suitable temperature ≤ 350 °C Driven approach Electro-hydraulic, pneumatic, electric, manual