Descrizione
| fi (mm) | fi derivazione (mm) |
| 32 | 1/2″ |
| 32 | 3/4″ |
| 40 | 3/4″ |
| 40 | 1″ |
| 50 | 1/2″-3/4″ |
| 50 | 1″ |
| 63 | 1/2″-1″ |
| 63 | 1″1/2 |
| 75 | 3/4″-1″1/2 |
| 75 | 2″ |
| 90 | 3/4″-1″1/2 |
| 90 | 2″ |
| 110 | 3/4″-1″1/2 |
| 110 | 2″ |
| 125 | 1″-1″1/2 |
| 125 | 2″ |
| 140 | 1″-1″1/2 |
| 140 | 2″ |
| 160 | 1″-1″1/2 |
| 160 | 2″ |
| 200 | 1″1/2-2″ |
| 200 | 3″ |
| 225 | 1″1/2-3″ |
