About DWC Sewage Pipes
Double Wall Corrugated (DWC) sewer pipes are high-density polyethylene (HDPE) pipes featuring a smooth inner surface for optimal flow and a corrugated outer surface for superior structural strength and stiffness. Used for underground sewage, stormwater, and drainage, they are lightweight, chemically resistant, and have a lifespan exceeding 50 years.
Key Features and Benefits
Applications
- Sewerage Systems: Ideal for municipal and industrial wastewater disposal.
- Drainage: Used in urban infrastructure, stormwater management, and agricultural drainage.
- Cable Ducting: Suitable for protecting telecommunication and power cables.
- Road & Railway Projects: Used for underground culverts due to high load capacity.
| ID (mm) |
OD (mm) |
Class |
Length |
| 75 |
90 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 100 |
120 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 135 |
160 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 150 |
180 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 170 |
200 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 200 |
225 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 250 |
282 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 300 |
339 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 400 |
450 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 500 |
562 |
SN 4 & SN 8 |
6 mtr or 20 feet |
| 600 |
675 |
SN 4 & SN 8 |
6 mtr or 20 feet |
Superior Hydraulic EfficiencyDWC sewage pipes have a smooth inner lining, providing minimal resistance to the flow of effluents. This design ensures a higher flow capacity and reduces the likelihood of clogs, making them ideal for high-volume sewage and drainage systems. The double-wall construction boosts pipe durability, supporting applications under various site conditions.
Enhanced Strength and DurabilityThe corrugated outer wall of these pipes delivers impressive mechanical strength while remaining lightweight and flexible. This structural design allows the pipes to withstand external loads and ground movement, resulting in a durable solution with a lifespan of up to 50 years, even in demanding industrial or municipal environments.
Fast, Flexible InstallationInstallation of DWC pipes is efficient thanks to their lightweight build and flexible bending radius, enabling easy alignment on site. The push-fit or rubber gasket jointing methods speed up the assembly process, minimize leak risks, and reduce installation costs and labor time. DWC pipes are also corrosion resistant and UV stabilized for long-term stability outdoors.
FAQ's of DWC Sewage Pipes:
Q: How are DWC sewage pipes installed on-site?
A: DWC sewage pipes can be installed quickly due to their lightweight nature and flexible bending radius. The pipes are joined using push-fit or rubber gasket coupler joints, ensuring a leak-proof seal without the need for special equipment or welding. This allows for easy alignment and rapid setup even on uneven terrains.
Q: What are the primary benefits of using DWC pipes for sewage and drainage?
A: DWC pipes offer high hydraulic efficiency thanks to their smooth inner bore, are abrasion and chemical resistant, and possess excellent durability. Their corrugated outer surface ensures high strength, while the material is 100% recyclable, making them environmentally friendly. Furthermore, they are corrosion resistant, UV stabilized, and leak-proof, with a life span of up to 50 years.
Q: When should DWC pipes be selected over other traditional pipe materials?
A: DWC pipes should be preferred when high flow capacity, chemical resistance, and abrasion resistance are required, such as in sewage systems, industrial waste pipelines, and rainwater harvesting. Their flexibility and ease of installation also make them ideal for sites where alignment may be challenging or speed of deployment is critical.
Q: Where can DWC sewage pipes be used effectively?
A: These pipes are suitable for a wide range of applications, including municipal sewage, stormwater drainage, industrial effluent disposal, and rainwater harvesting systems. Their robust construction allows them to be utilized both underground and aboveground, in residential, commercial, and industrial projects.
Q: What is the process for connecting DWC pipes and ensuring a leak-proof system?
A: DWC pipes are joined using push-fit or rubber gasket couplers. Insert the pipe ends into the coupler and secure them, ensuring the rubber gasket provides a tight seal. This process does not require adhesives or heat, making it quick while ensuring leak-proof connections.
Q: How does the product's abrasion and chemical resistance enhance its longevity?
A: The high abrasion and chemical resistance of DWC pipes prevents wear from harsh effluents and protects against corrosion from acids, alkalies, and other contaminants. These properties, combined with UV stabilization, contribute to their long operational life and minimal maintenance requirements.