DWC HDPE Cable Duct Pipes
Double Wall Corrugated (DWC) HDPE cable duct pipes for underground power cable, telecom, and OFC protection. Corrugated outer wall for crush strength, smooth inner bore for easy cable pulling. Manufactured in Nagpur per IS 16025 Part 24.

DWC HDPE Cable Duct Pipes — Product Range & Catalog
Sizes AvailableDWC HDPE Duct Pipe
Double Wall Corrugated pipe in 6m lengths or 50m coils with integral coupler (IS 16025 Part 24).
Sizes AvailableDWC Coupler
Snap-fit coupler for joining DWC duct pipe lengths without tools.
Sizes AvailableDWC End Cap
Sealed end cap to protect cable duct openings during and after installation.
Sizes AvailableDWC Bend
Pre-formed bend for direction changes in underground cable duct routes.
DWC HDPE Cable Duct Pipes — Features & Benefits
Exceptional Crush Strength
Double wall corrugated design handles heavy soil and traffic loads
Easy Cable Pulling
Smooth inner bore reduces friction during cable installation
Moisture & Chemical Resistant
HDPE resists groundwater, acids, and alkalis — no corrosion
UV Stabilized
Carbon black stabilization for outdoor storage and exposed sections
Lightweight & Flexible
Easier to handle and lay than rigid PVC or CI ducts
50+ Year Service Life
Designed for permanent underground installation
DWC HDPE Cable Duct Pipes — Applications & Uses
Underground Power Cables
Telecom & OFC Networks
Railway Signalling
Street Lighting
Highway Cable Protection
Solar Plant Cabling
Dimensions & Specifications Chart
Outer diameter, wall thickness, SDR ratios, and weight metrics per Indian Standards.
| Outer Diameter (OD) | Wall Thickness | SDR | Ring Stiffness | Approx Weight |
|---|---|---|---|---|
| 40mm | 2.0mm | — | SN 8 | 0.18 kg/m |
| 50mm | 2.0mm | — | SN 8 | 0.25 kg/m |
| 63mm | 2.0mm | — | SN 8 | 0.35 kg/m |
| 75mm | 2.5mm | — | SN 8 | 0.50 kg/m |
| 90mm | 2.5mm | — | SN 8 | 0.65 kg/m |
| 110mm | 3.0mm | — | SN 8 | 0.95 kg/m |
| 120mm | 3.0mm | — | SN 8 | 1.10 kg/m |
Stiffness Class & Crush Rating
DWC duct is not a pressure pipe — it is classified by ring stiffness (SN) and crush resistance.
Standard underground cable protection — power, telecom, OFC
Why Choose TARKO DWC HDPE Cable Duct Pipes?
TARKO manufactures Double Wall Corrugated (DWC) HDPE cable duct pipes at our facility in Nagpur, designed to protect underground power cables, telecom lines, and optical fiber cables from mechanical damage, moisture, and rodents.
