Cold blast valve

The cold blast valve is intended for the complete separation of the blast furnace stove from the cold blast line. It is installed on the horizontal air line near the stove.    

Valve port area, mm           1200
Air temperature,  max, ºС             200
Air working pressure, MPa            0,42
Admissible pressure difference on the both sidesof gate when opening the valve, max, MPa            0,03
Opening (closing) time, sec               15
Drive  Electro-mechanical
Mass of valve without drive, kg               6500