It is used for transition from single-wall pipe to double-wall pipe on vertical sections
| Dv, mm | Dn, mm | A, mm | Weight, kg |
| 100 | 160 | 400 | 3,17 |
| 110 | 180 | 400 | 3,22 |
| 120 | 180 | 400 | 3,25 |
| 130 | 200 | 400 | 3,31 |
| 140 | 200 | 400 | 3,34 |
| 150 | 220 | 400 | 3,38 |
| 160 | 220 | 400 | 3,41 |
| 180 | 250 | 400 | 3,48 |
| 200 | 260 | 400 | 3,52 |
| 220 | 280 | 450 | 4,22 |
| 230 | 300 | 450 | 4,25 |
| 250 | 320 | 500 | 5,02 |
| 300 | 360 | 500 | 5,02 |