г | D | L | ЧАС | SWB-C |
1/2 " | 15 | 32.5 | 40 | 23,5–26 |
1/2 " | 18 | 34.5 | 40 | 28–31 |
3/4 " | 18 | 35.5 | 40 | 28–31 |
3/4 " | 22 | 37 | 40 | 32-33,5 |