20%. Directly buried insulation pipe classification: plastic sleeve steel insulation pipe:

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20%. Directly buried insulation pipe classification: plastic sleeve steel insulation pipe:

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The secret land is United as one. Such a specific product pipe buried in the ground, but also extended the service life of the pipeline, saving costs! Its shell is made of high-density polyethylene, or PE pipe, also known as jacket skin. It is gratifying to note that in order to speed up the innovation of building thermal insulation materials and promote the promotion and application of polyurethane rigid foam in the field of building energy saving, the Ministry of Construction has specially set up a “Polyurethane Building Energy Saving Application working Group”. In order to promote the application of polyurethane rigid foam thermal insulation and waterproof materials in the domestic building energy-saving industry. About 49% of the thermal insulation materials in Europe, the United States and other developed countries are polyurethane materials, while the proportion in China is less than 20%. Directly buried insulation pipe classification: plastic sleeve steel insulation pipe: plastic sleeve steel insulation pipe is composed of high density polyethylene outer casing, polyurethane foam insulation layer and internal working steel pipe. The outer layer of black polyethylene is called black jacket insulation pipe. THYGDJSX

20%. Directly buried insulation pipe classification: plastic sleeve steel insulation pipe:

Work steel pipe sandblasting, brush antirust paint twice. The insulation layer is composed of high temperature fiber felt, ultra-small pore calcium silicate insulation tile and polyurethane foam. After sandblasting the outer steel pipe, brush 6 layers of fiberglass resin anticorrosive coating. Performance characteristics: waterproof, anti-high temperature and high pressure, suitable medium temperature 350℃, low pressure and heat consumption, strong anti-corrosion ability of insulation, high strength of anti-corrosion coating, long service life, up to 30-50 years. The primary problem of steel sleeve steel insulation pipe protection pipe is the reliability of strict waterproofing. In addition, the steel casing has good mechanical strength, high strength and welded connection, so its waterproof and sealing performance is very reliable.

Steel sleeve steel insulation pipe, steel sleeve steel insulation pipe insulation layer foaming treatment, the raw material is fully mixed by high injection, the foam has strong hardness, fine pore density, uniform and high closed cell rate. External protection of steel pipe: protect the insulation layer from groundwater erosion, support the working pipe and can withstand a certain external load, the working pipe works normally. The oil industry covers a wide range of areas. It can be used in different temperature insulation pipe supply, different shapes of pipes and a variety of hot and cold equipment insulation. And flange seal gasket can only be used one layer, can not put double or partial. The utility model has the advantages of small land occupation, fast construction and conducive to environmental protection. Steel sheathed steel steam insulation pipe

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