Plumbing/UPVC Underground Pipes & Fittings
| Specifications of Underground Drainage And Sewerage Pipes | |
| Colour | Brown | 
| Length | 5.8m | 
| Type of Joint | Solvent Cement Weld Joint | 
| Nominal Size | Mean Outside Diameter (mm) | Wall Thickness (mm) | |||
| in. | mm | Minimum | Maximum | Minimum | Maximum | 
| 4 | 100 | 110.0 | 110.4 | 3.2 | - | 
| 6 | 155 | 160.0 | 160.6 | 4.1 | - | 
| 8 | 200 | 200.0 | 200.5 | 4.9 | 5.6 | 
| 10 | 250 | 250.0 | 250.5 | 6.2 | 7.1 | 
| 12 | 315 | 315.0 | 315.6 | 7.7 | 8.7 |