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Technical sheet of overlap welded multilayer pipe
HDPE-AL-HDPE Cold Water pipe overlap welded |
| Type(C-A) |
HDPE/AL/HDPE |
| Specification |
1014 |
1216 |
1418 |
1620 |
2025 |
2026 |
2632 |
| Wall thickness(mm) |
2.0 |
2.0 |
2.0 |
2.0 |
2.5 |
3.0 |
3.0 |
| Packing specification (M) |
100
200 |
100
200 |
100 |
100 |
50 |
50 |
50 |
| Max working temp(℃) |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
| Max working pressure at 60℃(bar) |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
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PEX-AL-PEX Hot Water /Heating pipe (overlap welded)
| Type(H-A) |
（PE）PEXb-AL-PEXb |
| Specification |
1014 |
1216 |
1418 |
1620 |
2025 |
2026 |
2632 |
| Wall thickness(mm) |
2.0 |
2.0 |
2.0 |
2.0 |
2.5 |
3.0 |
3.0 |
| Packing specification(M) |
100
200 |
100
200 |
100 |
100 |
50 |
50 |
50 |
| Max working temp(℃) |
95 |
95 |
95 |
95 |
95 |
95 |
95 |
| Max working pressure at 95℃(bar) |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
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HDPE-AL-HDPE Gas pipe
| Type(G-A) |
HDPE/AL/HDPE GAS PIPE |
| Specification |
1014 |
1216 |
1418 |
1620 |
2025 |
2026 |
2632 |
| Wall thickness(mm) |
2.0 |
2.0 |
2.0 |
2.0 |
2.5 |
3.0 |
3.0 |
| Packing specification(M) |
100
200 |
100
200 |
100 |
100 |
50 |
50 |
50 |
| Max working temp(℃) |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
| Max working pressure at 40℃ (bar) |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
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Overlap-weld ---- properties |
| Specification |
Min pipe
ring strength
(N),≥
|
Min burst
pressure
(Mpa) |
Working temp（℃） |
Working pressure
（Mpa） |
| (inch) |
(mm) |
| 3/8 |
1014 |
2300 |
7.0 |
cold water pipe |
hot water pipe |
gas pipe |
cold/hot water pipe |
gas pipe |
| 1/2 |
1216 |
2300 |
6.0 |
-40～60 |
-40～95 |
-20～40 |
1.0 |
0.4 |
| 9/16 |
1418 |
2300 |
6.0 |
| 5/8 |
1620 |
2500 |
5.0 |
| 3/4 |
2025 |
2500 |
4.0 |
| 1 |
2632 |
2650 |
4.0 |
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| Thermal conductivity |
0.45W(m.K) |
coefficient of heat |
2.5×10-5m(m.k) |
Min bending radii |
5 OD |
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