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Electro Fusion Girth Welding Closure Tape for HDPE Hollow Wall Spiral Pipe
The PE electric heat fusion sleeve is made by combining high-quality Pe plates with nickel-chromium alloy electric heat mesh at high temperatures.
Applicable pipe diameters: DN200-DN3000mm.
It is a kind of connecting pipe fitting where is widely used on anti-corrosion, especially on HDPE Hollow Wall Spiral Pipes / Directly buried pre-insulated pipes / Directly buried metal reinforced corrugated pipes field joint. It is made by Polyethylene sheets complex with the electro-fusion wire.
1.District Thermal Heating System Construction: Ensuring secure and leak-proof connections in extensive heating networks.
2.Pre-Insulated & Oil Pipe Field Joint Welding: Providing reliable welding for on-site connections of pre-insulated and oil pipelines.
3.Hollow Wall & Structure Pipe Joint Fitting: Ideal for joining sections of hollow wall spiral pipes and structured wall pipes.
4.Steel Reinforced Spiral Pipe Joint Fitting: Ensuring strong and durable connections for steel reinforced spiral pipes.
1. Waterproof;
2. Able to withstand axial forces initiated by axial movements of the pipe in the ground;
3. Able to withstand radial forces and bending moments;
4. Able to withstand effects of temperature and temperature variations.
5. Have the same thickness of the line pipe insulation layer.
Size and deviation of the electrofusion mesh
| Mesh material | Electrofusion mesh | Electrofusion sleeve | |||
| Thickness | Deviation | Width | Deviation | Length | Deviation |
| 0.30 | ±0.015 | 50 | 0 -+0.2 | 1770 | 0-+10 |
Resistivity of electrofusion mesh should comply with the following standard
Resistivity of electrofusion mesh
| (mm/m) Width of electrofusion mesh |
(mmxmm) Mesh hole |
mm Mesh wire |
(Q/m) Resistivity |
| 50 | 3x6 | 0.3 | 0.8 |
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