These Valves are mounted on Hot Blast Ducts before Bustle Main Blast Furnaces for Back Drafting of Furnace Gases in case of Shut Down, and are also used for bringing down Hanging burdens, inside furnaces.

1. Size Upto – 1000mm
2. Type of Valve – Flat type operated through motorized / Manual Winch & Wire Rope
3. Material Handled – Hot Blast Air / Blast Furnace Gas,
4. Working Temp – 1200 C,
5. Working Pressure – Upto 2.0 Kg/cm2