| Pipe | Pipe | D | do | t | C | Holes | ψh | |
|---|---|---|---|---|---|---|---|---|
| inch | mm | |||||||
| 18 | 450 | 457.2 | 605 | 460 | 22 | 555 | 16 | 23 |
| 20 | 500 | 508.0 | 655 | 511 | 22 | 605 | 20 | 23 |
| 22 | 550 | 558.0 | 720 | 562 | 24 | 665 | 20 | 25 |
| 24 | 600 | 609.6 | 770 | 613 | 24 | 715 | 20 | 25 |
| 26 | 650 | 660.4 | 825 | 664 | 24 | 770 | 20 | 25 |
| 28 | 700 | 711.2 | 875 | 715 | 24 | 820 | 24 | 25 |
| 30 | 750 | 762.0 | 945 | 766 | 24 | 880 | 24 | 27 |
| 32 | 800 | 812.8 | 995 | 817 | 24 | 930 | 24 | 27 |
| 34 | 850 | 863.6 | 1045 | 868 | 24 | 980 | 24 | 27 |
| 36 | 900 | 914.4 | 1095 | 919 | 24 | 1030 | 24 | 27 |
| 40 | 1000 | 1016.0 | 1195 | 1021 | 26 | 1130 | 28 | 27 |
| 44 | 1100 | 1117.6 | 1305 | 1122 | 26 | 1240 | 28 | 27 |
| 48 | 1200 | 1219.2 | 1420 | 1224 | 26 | 1350 | 32 | 27 |
| 54 | 1350 | 1371.6 | 1575 | 1376 | 26 | 1505 | 32 | 27 |
| 60 | 1500 | 1524.0 | 1730 | 1529 | 28 | 1660 | 36 | 27 |