| Nominal Size DN/OD (mm) | Mean Outside Diameter (mm) | Type of Pipe | |||
| PN 10 | PN 16 | PN 20 | |||
| SDR 11 | SDR 7.4 | SDR 6 | |||
| S 5 | S 3.2 | S 2.5 | |||
| min | max | Wall Thickness (mm), min | |||
| 20 | 20.0 | 20.3 | 1.9 | 2.8 | 3.4 |
| 25 | 25.0 | 25.3 | 2.3 | 3.5 | 4.2 |
| 32 | 32.0 | 32.3 | 2.9 | 4.4 | 5.4 |
| 40 | 40.0 | 40.4 | 3.7 | 5.5 | 6.7 |
| 50 | 50.0 | 50.5 | 4.6 | 6.9 | 8.3 |
| 63 | 63.0 | 63.6 | 5.8 | 8.6 | 10.5 |
| 75 | 75.0 | 75.7 | 6.8 | 10.3 | 12.5 |
| 90 | 90.0 | 90.9 | 8.2 | 12.3 | 15.0 |
| 110 | 110.0 | 111.0 | 10.0 | 15.1 | 18.3 |
