PE threading pipe is a new type of plastic pipe produced with high-density polyethylene (HDPE) as the main raw material. It has a series of advantages such as high strength, easy to put through the cable through, easy construction and cost saving.
1. Urban and rural non-excavation horizontal directional electric power pipeline project;
2. Open excavation electric power pipeline project;
3. Municipal telecommunication, electric power and other pipeline project.
| DN/ID | Nominal Wall Thickness en | Out-of-roundness | ||
| Ring Stiffness (KN/m2) | ||||
| SN12 | SN18 | SN24 | ||
| 70 | 3 | 3.8 | 4.5 | ≤1.6 |
| 90 | 4 | 5 | 6 | ≤1.8 |
| 100 | 5 | 6.5 | 8 | ≤2.0 |
| 125 | 6 | 8 | 10 | ≤2.5 |
| 150 | 8 | 10 | 12.5 | ≤2.5 |
| 175 | 10 | 12.5 | 15 | ≤2.8 |
| 200 | 12.5 | 15 | 17.5 | ≤3.2 |
| 225 | 15 | 17.5 | 20 | ≤3.8 |
| 250 | 17.5 | 20 | 22.5 | ≤4.2 |
| Test Item | Indicator | Test Method |
| Density（g/cm3） | 0.94～0.98 | DL/T 802.1-2023 |
| Ring Stiffness（KN/m2） | SN12≥12 | DL/T 802.1-2023 |
| SN18≥18 | ||
| SN24≥24 | ||
| Flattening Test | The samples should not be cracked | DL/T 802.1-2023 |
| Tensile Strength（MPa） | ≥22 | DL/T 802.1-2023 |
| Weld Strength（MPa） | ≥22 | DL/T 802.1-2023 |
| Elongation at break（%） | ≥350 | DL/T 802.1-2023 |
| Hammer Impact | At least 9 out of 10 samples do not break | DL/T 802.1-2023 |
| Static Friction Coefficient | ≤0.35 | DL/T 802.1-2023 |
| Vicat Softening Temperature（℃） | ≥110 | DL/T 802.1-2023 |
| Longitudinal Retraction Rate（%） | ≤3 | DL/T 802.1-2023 |
| Heat Dispersion Performance | Temperature of the inner and outer pipe walls≤ 30 ℃ (Placed at room temperature for a specified period of time) |
DL/T 802.1-2023 |
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