SN4 SN8 hdpe double wall corrugated drainage pipe plastic culvert pipe for sewer drainage
SN4 SN8 hdpe double wall corrugated drainage pipe plastic culvert pipe for sewer drainage
NominalDiameter | OD | ID | Inner Wall Thickness | Lamination Wall Thisness | Wall Thickness (min) |
| DN110 | 110 | 95 | 0.8 | 1.0 | 2.5 |
| DN160 | 160 | 145 | 1.0 | 1.2 | 3.6 |
| DN200 | 195 | 225 | 1.4 | 1.7 | 5.8 |
| DN300 | 295 | 336 | 1.7 | 2.0 | 6.8 |
| DN400 | 390 | 450 | 2.3 | 2.5 | 9.1 |
| DN500 | 490 | 550 | 3.0 | 3.0 | 11.4 |
| DN600 | 590 | 685 | 3.5 | 3.5 | 11.4 |
| DN800 | 790 | 905 | 4.5 | 4.5 | 11.4 |
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