Brand Name: DRD
Model Number: DN200-DN800
Place of Origin: CHINA
High Density Polyethylene (HDPE) Double Wall Corrugated Sewer and Drainage Pipes are for gravity and low pressure sewerage and drainage such as waste water, sanitary sewer and storm sewerage for municipal or industrial use. The pipes provide important benefits and distinct advantages for sewer and drainage applications.
Application:
1.Sewer and drainage
2.Frontage drains for terrace and other residential units in housing schemes
3.Perimeter drains for commercial, industrial units and individual factories
4.As collector drains in subsoil system in road, highway, open field, stadium, retaining wall or parking space
5.As collector drains in subsoil system, sewerage treatment plant sludge drying bed under drains
Technical data sheet:
Item |
Index |
Ring stiffness SN4 (KN/m2) |
≥4 |
Ring Stiffness SN8 (KN/m2) |
≥8 |
Impact Strength (%) |
≤10 |
Ring Suppleness |
The sample is smooth without any recurvation or wall loose |
Oven Experiment |
no delamination and no crack |
Creep Rate |
≤4 |
Comparation:
Item |
HDPE Double Wall Corrugated Pipe |
Concrete pipe |
PVC Double Wall Corrugated Pipe |
Feature |
Flexible |
Rigid |
Flexible |
Corrosion resistance |
It will not be corroded when dealing with sea water and acid&alkaline condition. |
It is easy to be corroded. |
It will not be corroded when dealing with sea water and acid&alkaline condition. |
Structural feature |
Loading may lead to slight deformation, but will not influence on structure. |
Loading may lead to breaking and leakage. Poor impact resistance. |
Loading may lead to slight deformation, but will not influence on structure. |
Connection method and seal feature |
It will be connected by flexible rubber sealing ring. If it is connected properly, there will be no leakage. |
if not connected properly, it will lead to leakage and consequently pollution to underground water. |
If it is connected properly, there will be no leakage. |
Construction performance |
It is easy to be connected. The cost for transportation and engineering is low. The engineering process will not be influenced by temperature. |
It is difficult to be connected.The cost for transportation and engineering is high. |
It is easy to be connected. The engineering process will be influenced by temperature. |
Usage and maintenance |
50 years service life, high safe coefficient, easy maintenance. |
20 years service life, high safe coefficient, difficult maintenance |
50 years service life, high safe coefficient, difficult maintenance |