Аcts as a damper along the flue gases
Is produced:
- in basic design with a handle;
- in design 1 with rotating rod.
| Dv, mm | Dn, mm | Des. basic Des.-01 | Des. basic | Des.-01 |
| H, mm | Weight, kg | |||
| 350 | 420 | 500 | 12,12 | 12,39 |
| 400 | 460 | 500 | 12,75 | 13,03 |
| 450 | 520 | 500 | 15,53 | 15,8 |
| 500 | 560 | 600 | 18,93 | 19,21 |
| 550 | 620 | 600 | 22,56 | 22,84 |
| 600 | 660 | 800 | 29,81 | 30,08 |
| 650 | 720 | 800 | 37,65 | 37,93 |
| 700 | 760 | 800 | 37,83 | 38,11 |
| 750 | 820 | 900 | 48,73 | 49,01 |
| 800 | 860 | 900 | 48,52 | 48,8 |
| 900 | 960 | 1000 | 60,55 | 60,83 |
| 1000 | 1060 | 1000 | 67,75 | 68,03 |