
Duke UDS Pipes are design for efficient underground drainage and sewage applications, ensuring long-lasting performance even in demanding conditions. Manufactured using high-quality raw materials and advanced processing technology, our UDS pipes offer excellent strength, smooth flow, and resistance to corrosion.
Designed to handle heavy loads and varying soil pressures, Duke UDS Pipes are ideal for residential, commercial, and industrial drainage systems. Their leak-proof joints and robust construction ensure hassle-free installation and minimal maintenance over time.
With strict quality checks and adherence to industry standards, Duke UDS Pipes deliver reliability, durability, and superior drainage efficiency you can trust.
| Nominal Diameter | Effective Length (mtr) | OD (mm) | SN 2 (SDR-51) Wall Thickness | SN 4 (SDR-41) Wall Thickness | SN 8 (SDR-34) Wall Thickness | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| mm | Inch | min | max | min | max | min | max | min | max | |
| 110 | 4.0″ | 6.0 | 110.0 | 110.4 | – | – | – | – | 3.2 | 3.7 |
| 125 | 4.5″ | 6.0 | 125.0 | 125.8 | – | – | 3.2 | 3.7 | 3.7 | 4.4 |
| 160 | 6.0″ | 6.0 | 160.0 | 160.8 | 3.2 | 3.7 | 4.0 | 4.6 | 4.7 | 5.4 |
| 200 | 8.0″ | 6.0 | 200.0 | 200.8 | 3.9 | 4.5 | 4.9 | 5.6 | 5.9 | 6.7 |
| 250 | 10.0″ | 6.0 | 250.0 | 250.8 | 4.9 | 5.6 | 6.2 | 7.0 | 7.3 | 8.3 |
| 315 | 12.0″ | 6.0 | 315.0 | 316.0 | 6.2 | 7.0 | 7.7 | 8.7 | 9.2 | 10.4 |
| 400 | 16.0″ | 6.0 | 400.0 | 401.2 | 7.9 | 8.9 | 9.8 | 11.0 | 11.7 | 13.1 |

Duke UDS Pipes are design for efficient underground drainage and sewage applications, ensuring long-lasting performance even in demanding conditions. Manufactured using high-quality raw materials and advanced processing technology, our UDS pipes offer excellent strength, smooth flow, and resistance to corrosion.
Designed to handle heavy loads and varying soil pressures, Duke UDS Pipes are ideal for residential, commercial, and industrial drainage systems. Their leak-proof joints and robust construction ensure hassle-free installation and minimal maintenance over time.
With strict quality checks and adherence to industry standards, Duke UDS Pipes deliver reliability, durability, and superior drainage efficiency you can trust.
| Nominal Diameter | Effective Length (mtr) | OD (mm) | SN 2 (SDR-51) Wall Thickness | SN 4 (SDR-41) Wall Thickness | SN 8 (SDR-34) Wall Thickness | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| mm | Inch | min | max | min | max | min | max | min | max | |
| 110 | 4.0″ | 6.0 | 110.0 | 110.4 | – | – | – | – | 3.2 | 3.7 |
| 125 | 4.5″ | 6.0 | 125.0 | 125.8 | – | – | 3.2 | 3.7 | 3.7 | 4.4 |
| 160 | 6.0″ | 6.0 | 160.0 | 160.8 | 3.2 | 3.7 | 4.0 | 4.6 | 4.7 | 5.4 |
| 200 | 8.0″ | 6.0 | 200.0 | 200.8 | 3.9 | 4.5 | 4.9 | 5.6 | 5.9 | 6.7 |
| 250 | 10.0″ | 6.0 | 250.0 | 250.8 | 4.9 | 5.6 | 6.2 | 7.0 | 7.3 | 8.3 |
| 315 | 12.0″ | 6.0 | 315.0 | 316.0 | 6.2 | 7.0 | 7.7 | 8.7 | 9.2 | 10.4 |
| 400 | 16.0″ | 6.0 | 400.0 | 401.2 | 7.9 | 8.9 | 9.8 | 11.0 | 11.7 | 13.1 |