Описание
| Ду (mm) | d (mm) | e (mm) | h ( mm) | L (mm) | кг/шт |
| 20 | 19 | 5.5 | 27.5 | 30 | 0.007 |
| 25 | 24 | 5.5 | 31.5 | 36 | 0.009 |
| 32 | 30 | 5.5 | 36.5 | 45 | 0.010 |
| 40 | 39 | 5.5 | 44.5 | 54 | 0.012 |
| Ду (mm) | d (mm) | h ( mm) | L (mm) | кг/шт |
| 20 | 19.9 | 29.5 | 6.5 | 0.015 |
| 25 | 24.9 | 30.5 | 7.9 | 0.018 |
| 32 | 31.5 | 37.5 | 88 | 0.023 |
