TWIN SHUT OFF & DRAIN-AIR RELIEF VALVE
| DN | L (mm) | l (mm) | D (mm) INSULATION Series 1 | D (mm) INSULATION Series 2 | Dk min (mm) INSULATION Series 1 | Dk min (mm) INSULATION Series 2 |
| 25 + 25 | 1700 | 300 | 140 | 160 | 160 | 180 |
| 32 + 32 | 1700 | 300 | 160 | 180 | 180 | 200 |
| 40 + 40 | 1700 | 300 | 160 | 180 | 180 | 200 |
| 50 + 50 | 1700 | 300 | 200 | 225 | 225 | 250 |
| 65 + 65 | 1700 | 400 | 225 | 250 | 250 | 280 |
| 80 + 80 | 1700 | 400 | 250 | 280 | 280 | 315 |
| 100 + 100 | 1700 | 400 | 315 | 355 | 355 | 400 |
| 125 + 125 | 2000 | 430 | 400 | 450 | 450 | 500 |
| 150 + 150 | 2000 | 470 | 450 | 500 | 500 | 560 |
| 200 + 200 | 2500 | 630 | 560 | 630 | 630 | 710 |
