Modern Infrastructure Demands
| Wall Thickness | ||||||||
|---|---|---|---|---|---|---|---|---|
| Nominal Size Inch |
Outside Diameter | Class C 9.0 bar (90m head of water) |
Class D 12.0 bar (120m head of water) |
Class E 15.0 bar (150m head of water) |
||||
| Min | Max | Min | Max | Min | Max | Min | Max | |
| mm | mm | mm | mm | mm | mm | mm | mm | |
| 1/2 | 21.2 | 21.5 | - | - | - | - | 1.7 | 2.1 |
| 3/4 | 26.6 | 26.9 | - | - | - | - | 1.9 | 2.5 |
| 1 | 33.4 | 33.7 | - | - | - | - | 2.2 | 2.7 |
| 11/4 | 42.1 | 42.4 | - | - | 2.2 | 2.7 | 2.7 | 3.2 |
| 11/2 | 48.1 | 48.4 | - | - | 2.5 | 3.0 | 3.1 | 3.7 |
| 2 | 60.2 | 60.5 | 2.5 | 3.0 | 3.1 | 3.7 | 3.9 | 4.5 |
| 3 | 88.7 | 89.1 | 3.5 | 4.1 | 4.6 | 5.3 | 5.7 | 6.6 |
| 4 | 114.1 | 114.5 | 4.5 | 5.2 | 6.0 | 6.9 | 7.3 | 8.4 |
| 6 | 168.0 | 168.5 | 6.6 | 7.6 | 8.8 | 10.2 | 10.8 | 12.5 |
| 8 | 218.8 | 219.4 | 7.8 | 9.0 | 10.3 | 11.9 | 12.6 | 14.5 |
| 10* | 272.6 | 273.4 | 9.7 | 11.2 | 12.8 | 14.8 | 15.7 | 18.1 |
| 12 | 323.4 | 324.3 | 11.5 | 18.3 | 15.2 | 17.5 | 18.7 | 21.6 |