Flange gate valve (KOF-82). Development by the Promhydroprivod design bureau.
Technical characteristics:
| 1. Washing passage, mm | 82 |
| 2. Input pressure, MPa: | |
| – nominal | 32 |
| – maximum | 35 |
| – minimal | 1 |
| 3. Working fluid flow rate, L/min | |
| – nominal | 2500 |
| – maximum | 3500 |
| 4. Opening pressure, MPa | 0,05 |
| 5. Mass (excluding operating fluid), kg, not more than: | 34 |