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directly buried polyurethane foam insulation steel pipe
api spiral insulation steel pipe
insulation steel pipe for hot and chilled water in district
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Composition |
1.steel pipe 2.polyurethane insulation 3.high-density polyethylene |
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Usage |
1.urban centralized heat supply 2.warm room 3.coal mine 4.petroleum 5.chemical and other anti-corrosion insulation field |
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Medium temperature |
50°C—120°C.max:140 °C |
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Working pressure |
<2.5Mpa |
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Working lifetime |
30-50years |
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Laying method |
1.direct bury 2.built on stilts 3.trench |
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Technology |
1.Advanced Corona treatment 2.Impeller blasting 3. Leakage alarm line |
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Standards |
CJ/T114-2000, CJ/T155-2001, EN253:2003 GB/T9711.1-1997, GB/T8163-1999 |
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Advantages |
1.good insulation properties ,low heat loss (the 25% of traditional pipes), 2.energy saving 3.waterproof and corrosion resistance 4.no trench, be directly buried in ground or water
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