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Specifications
Electric Fusion Welding Closure.Tensile strength:21Mpa
.Elongation:672
.Pre-insulated pipe
.Underground anticorrosion
Electric Fusion Welding Closure
Introduction |
It is a kind of special-purpose pipe connection, which is made by embedding specific electric heating melt welding wire in the basis of high quality PE sheet with special technicals. |
Aplication Scope |
|
1.District heating system(pipe),district thermal heating; 8. Used for joint of Pre-insulated Pipeline, HDPE double-wall corrugated pipes.
|
Advantages |
|
1. Waterproof; 2. Able to withstand axial forces initiated by axial moments of the pipe in the ground; 3. Able to withstand radial forces and bending forces; 4. Able to withstand effects of temperature and temperature variatations. 5. Have the same thickness of the pipeline insulation layer. 6. Perfect product instead of Heat Shrinkable Sleeve. |
Specifications |
|
Pipeline size: from Ø 108 to Ø 1760mm Wrap Thickness: 4mm—12mm Sleeves width:100mm,150mm,200mm,300mm,450mm, 500mm,600mm,700mm,800mm |
TEST REPORT
Standard by EN253-2003,ISO1183-2004,ISO6964-1986,EN728-1997 | |||
Testing program |
Required technical |
Test Result |
Result |
Raw Material Density |
≥0.935g/m3 |
0.961 |
Pass |
Melt Flow Rate |
≤0.50g/10min |
0.46 |
Pass |
Appearance |
Both surfaces are clean and free from other defects. |
Pass |
Pass |
Heat Reversion |
≤3%;shall not show any cracks |
0.89,No cracks |
Pass |
Tensile strength |
≥19Mpa |
20.2Mpa |
Pass |
Break Elongation |
≥350 |
672 |
Pass |
Stress crack resistance |
≥300 |
Pass |
Pass |
Hydraulic pressure test |
20°C,0.1Mpa water pressure, no damage and leakage after 1 hour |
Pass |
Pass |
Air leakage test |
20°C,0.1Mpa air pressure,no damage and leakage after 1 hour |
Pass |
Pass |
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