HDPE double wall corrugated pipe for sewage, drainage. It is very economical, environmental and easy to transport and install.
1. Characteristics
1) Smooth inner surface of the pipe insures large input flow with small fluid friction. The pipe is not easy to block.
2) Connected easily with rubber rings, easy to install.
3) Light weight makes pipe transportation more convenient.
4) Flexible connection to insure the pipe operate well after unevenly movement of the earth, not easy to leak.
5) Chemically stable, corrosion-resistant, non-toxic, non-polluting, an environmentally friendly products.
6) Economical compared other traditional pipes.
7) Life span can be 50 years buried underground on normal conditions.
2. Physical Properties
Item | Data |
Ring stiffness S1, S2 | ≥4.0KN/m², ≥8.0KN/m² |
Impact strength | TIR ≤10% |
Flexiblity | Smooth, no reverse bend and crature |
Inside Heating Box Test | No multi-layer and crature. |
Moving Rate | ≤4 |
3. Specifications Unit: mm
Norminal Internal Dia. | Minimun Average Inner Dia. | Minimum Thickness | Minimum Inner Thickness | Minimum Depth |
225 | 225 | 1.7 | 1.4 | 55 |
250 | 245 | 1.8 | 1.5 | 59 |
300 | 294 | 2.0 | 1.7 | 64 |
400 | 392 | 2.5 | 2.3 | 74 |
500 | 490 | 3.0 | 3.0 | 85 |
600 | 588 | 3.5 | 3.5 | 96 |
800 | 785 | 4.5 | 4.5 | 118 |
1000 | 985 | 5.0 | 5.0 | 140 |
1200 | 1185 | 5.0 | 5.0 | 162 |
