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The Huashida High-Seal Electrofusion (EF) Sleeve/Tape: Your Reliable Solution for Pre-Insulated Pipe Field Joints
With over 20 years of dedicated production experience, Huashida is a recognized leader in electrofusion welding technology. As the organizer of the National Symposium on Electro-fusion Welding Belt Production and Application, and a recipient of a utility model patent for electric heating sleeves, we bring unparalleled expertise to the field. Our high-quality PE/Polyethylene Electro Heating Fusion Sleeves/Fittings have been successfully exported to numerous countries, including Turkey, Sudan, UAE, Japan, Russia, and Kazakhstan, demonstrating their global reliability and performance.
Our electrofusion tape is a pre-cut, premium-grade HDPE sheet embedded with a high-resistance nicochrome heating net. Specifically designed for welding polymer pipes and fittings, it is installed using a specialized electric heating welder. The tape size is fully customizable, making it suitable for a wide range of pipe diameters starting from 200mm.
| Final Test | Unit | Standard | Test Result | Assess |
| HDPE Raw material density | g/cm 3 | ≥0.935 | 0.961 | OK |
| Raw material melt flow rate | g/10min | ≤0.50 | 0.46 | OK |
| Appearance check | / | Internal and external surfaces are clean and free from other defects. | OK | OK |
| Heat reversion | % | ≤3; shall not show any cracks | 0.89, No cracks | OK |
| Tensile yield strength | Mpa | ≥19 | 20.2 | OK |
| Elongation at break | % | ≥350 | 656 | OK |
| Stress crack resistance | h | ≥300 | OK | OK |
Specifically for Directly Buried Pre-Insulated Pipe (PUF Insulation):
Our Electrofusion (EF) Sleeve/Tape is the ideal jacketing solution for welding joints in pre-insulated steel pipes filled with polyurethane foam. The high-sealing new seamless hot-melt sleeve is particularly advantageous due to its ability to prevent polyurethane leakage, resist corrosion, and withstand aging. It offers high connection strength, excellent sealing, superior air-tightness, and convenient, rapid installation.
Electrofusion Tape for Metal Reinforced Polyethylene Spirally Corrugated Pipe:
This specialized polyethylene electric heating fusion tape is designed for connecting metal reinforced polyethylene spirally corrugated pipes, offering exceptional anti-corrosion properties, especially for field joints in directly buried pre-insulated pipes. It comprises polyethylene sheets expertly combined with electro-fusion wire.
Performance Advantages for Corrugated Pipe:
Why Choose Huashida Electrofusion Sleeves/Tape?
Contact us today to learn more about our high-quality Electrofusion (EF) Sleeves/Tape and how they can optimize your directly buried pre-insulated pipe joint welding processes.
Qingdao Huashida Machinery Co., LTD, is a manufacturer of series of plastic pipe machines, municipal pipe machines, pipe insulation&anticorrosion machines, and pipe jointing&anticorrosion materials, with 21 years of production experience.
Our main products are:
1. HDPE jacket pipe for pre-insulated pipe Production Line (110-2000mm)
2. Rigid pre-insulated pipe Production Line
3. Flexible pre-insulated pipe(PERT) production line
4. Steel pipe FBE/2LPE/3LPE anti-corrosion coating line
5. Steel pipe derusting line
6. PE pressure pipe/Water Gas supply pipe production line
6. PP/PE plastic board/sheet/geomembrane production line
7. NBR PVC Thermal insulation tube/plate production line
8.Pipeline anti-corrosion materials and instruments: heat shrink joint coating sleeve, electro-fusion weldable joint sleeve, portable welding gun(extruder), PE PP welding rod.
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