By combining a PE inner layer with spirally wound PP reinforcement, our HDPE Spiral Reinforced Carat Pipe delivers exceptional ring stiffness while maintaining flexibility to withstand ground settlement. It widely used in municipal, industrial, and agricultural projects.Under normal conditions,our dual wall corrugated drain pipe’s service life exceeding 50 years,available in diameters ranging from DN150 to DN3000.Best-Selling Sizes:450mm hdpe pipe,900mm hdpe pipe,1200mm hdpe pipe
DN/ID |
Min.Average Inner Diameter |
Min Inner wall thickness |
||
Type A |
Type B |
Type C |
||
mm |
mm |
mm |
mm |
mm |
150 |
145 |
1 |
1.3 |
1.3 |
200 |
195 |
1.1 |
1.5 |
1.5 |
250 |
245 |
1.5 |
1.8 |
1.8 |
300 |
294 |
1.7 |
2 |
2 |
400 |
392 |
2.3 |
2.5 |
2.5 |
450 |
441 |
2.8 |
2.8 |
2.8 |
500 |
490 |
3.0 |
3 |
3 |
600 |
588 |
3.5 |
3.5 |
3.5 |
700 |
673 |
4.1 |
4 |
4 |
800 |
785 |
4.5 |
4.5 |
4.5 |
900 |
885 |
5.0 |
5 |
5 |
1000 |
985 |
5.0 |
5 |
5 |
1100 |
1085 |
5.0 |
5 |
5 |
1200 |
1185 |
5.0 |
5 |
5 |
1300 |
1285 |
6.0 |
5 |
5 |
1400 |
1385 |
6.0 |
5 |
5 |
1500 |
1485 |
6.0 |
5 |
- |
1600 |
1585 |
6.0 |
5.5 |
- |
1700 |
1685 |
6.0 |
5.5 |
- |
1800 |
1785 |
6.0 |
6 |
- |
1900 |
1885 |
6.0 |
6 |
- |
2000 |
1985 |
6.0 |
6 |
- |
2100 |
2085 |
6.0 |
6 |
- |
2200 |
2185 |
7.0 |
7 |
- |
2300 |
2285 |
8.0 |
8 |
- |
2400 |
2385 |
9.0 |
9 |
- |
2500 |
2485 |
10.0 |
10 |
- |
2600 |
2585 |
- |
10 |
- |
2700 |
2680 |
- |
10 |
- |
2800 |
2785 |
- |
10 |
- |
2900 |
2885 |
- |
10 |
- |
3000 |
2985 |
- |
10 |
- |
Feature:
1.Our dwc pipe for sewage have long-lasting durability,service life of up to 50 years.
2.PE inner layer with spirally wound PP outer layer combined PE and PP layers for extra strength, achieving ring stiffness up to SN20,enable high compression and impact resistance.
3.Smooth inner wall minimizes friction loss, increasing flow capacity by 30% compared to reinforced concrete pipes of the same diameter.
4.Our HDPE twisted reinforced carat pipes have a good resistance to differential settlement.
Flexible design adapts to uneven ground conditions and reduces ground settlement damage.
5.Our HDPE twisted reinforced carat pipes are resistant to aging, acids, alkalis, salts, and other corrosive substances.
6.Electrofusion socket joints ensure quick installation and 0 leakage.
7.Our dwc pipe have a wide size range ,available in diameters from DN200 to DN3000.
Applications:
1.Municipal Engineering:
Our HDPE twisted reinforced carat pipe are widely used in drainage, sewage, and water conservancy projects.
2.Construction:
Underground drainage, sewage pipes, rainwater systems, and ventilation ducts.
3.Electrical and Telecommunications:
Protective conduits for power cables and fiber optics.
4.Industrial:
Wastewater pipelines for petroleum, chemical, coal, and environmental industries.
5.Agriculture:
DWC hdpe pipe are used in irrigation and drainage for farmland and forestry too.
6.Transportation:
Drainage systems for railways and highways.
7.Mining:
Ventilation, air supply, and drainage pipes in mines.
We offer factory-direct wholesale pricing with ample stock availability, ensuring fast delivery while supporting custom specifications.