
| Ref | Diameter mini (mm) | Diameter maxi (mm) |
| CG125 | 80 | 124 |
| CG175 | 126 | 175 |
| CG240 | 176 | 240 |
| CG320 | 241 | 320 |
| CG400 | 321 | 400 |
| CG480 | 401 | 480 |
| CG560 | 481 |
560 |
| CG740 | 561 | 740 |
| CG820 | 741 | 800 |