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 |
