di Graziano Vigani
| DN mm |
a mm |
b mm |
c mm |
r mm |
h mm |
Fori | ||
| Interasse mm |
Ø mm |
Numero | ||||||
| 15 | 80 | 12 | 30 | 4 | 20 | 55 | 11 | 4 |
| 20 | 90 | 14 | 40 | 4 | 24 | 65 | 11 | 4 |
| 25 | 100 | 14 | 50 | 4 | 24 | 75 | 11 | 4 |
| 32 | 120 | 14 | 60 | 6 | 26 | 90 | 14 | 4 |
| 40 | 130 | 14 | 70 | 6 | 26 | 100 | 14 | 4 |
| 50 | 140 | 14 | 80 | 6 | 28 | 110 | 14 | 4 |
| 65 | 160 | 14 | 100 | 6 | 32 | 130 | 14 | 4 |
| 80 | 190 | 16 | 110 | 8 | 34 | 150 | 18 | 4 |
| 100 | 210 | 16 | 130 | 8 | 40 | 170 | 18 | 4 |
| 125 | 240 | 18 | 160 | 8 | 44 | 200 | 18 | 8 |
| 150 | 265 | 18 | 185 | 10 | 44 | 225 | 18 | 8 |
| 200 | 320 | 20 | 240 | 10 | 44 | 280 | 18 | 8 |
| 250 | 375 | 22 | 295 | 12 | 44 | 335 | 18 | 12 |
| 300 | 440 | 22 | 355 | 12 | 44 | 395 | 22 | 12 |