| DN | INCH | SCH 160 |
| 8 | 1/4" | 3.68 |
| 10 | 3/8" | 4.01 |
| 15 | 1/2" | 4.78 |
| 20 | 3/4" | 5.56 |
| 25 | 1" | 6.35 |
| 32 | 1¼" | 6.35 |
| 40 | 1½" | 7.14 |
| 50 | 2" | 8.74 |
| - | 2½" | 9.53 |
| 65 | - | - |
| 80 | 3" | 11.13 |
| - | 3½" | - |
| 100 | 4" | 13.49 |
| 125 | - | - |
| - | 5" | 15.88 |
| 150 | 6" | 18.26 |
| 200 | 8" | 23.01 |
| 250 | 10" | 28.58 |
| 300 | 12" | 33.32 |
| 350 | 14" | 35.71 |
| 400 | 16" | 40.49 |
| 450 | 18" | 45.24 |
| 500 | 20" | 50.01 |
| 600 | 24" | 59.54 |
| 700 | 28" | |
| 750 | 30" | |
| 800 | 32" | |
| 900 | 36" | |
| 1000 | 40" | |
| 1200 | 48" |