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聚氨酯保温钢管的用途

Application of polyurethane insulation steel pipe

聚氨酯保温钢管用于室内外各种管道，集中供热管道，中央空调管道、化工、医药等工业管道的保温、保冷工程。概述 聚氨酯发泡保温管自三十年代聚氨酯合成材料诞生以来，一直作为一种优良的绝热保温材料而得到迅速发展。

Polyurethane thermal insulation steel pipe is used in various indoor and outdoor pipelines, central heating pipeline, central air conditioning pipeline, chemical industry, medicine and other industrial pipelines. Polyurethane foam insulation pipe has been developed rapidly as an excellent thermal insulation material since the birth of polyurethane synthetic material in 1930s.

其应用范围也越来越广泛，更由于其施工简便、节能防腐效果显著而被大量地用于各种供热、制冷、输油、输汽等各种管道。同时，大口径保温钢管的线性膨胀系数非常小，这就使其作为主干输水管非常有利，大大克服了其他塑料和普通管材线性膨胀系数大的缺陷。

Its application scope is more and more extensive. Because of its simple construction, energy saving and anti-corrosion effect, it is widely used in all kinds of heating, cooling, oil transportation, steam transmission and other pipelines. At the same time, the linear expansion coefficient of large diameter thermal insulation steel pipe is very small, which makes it very advantageous to be used as the main water transmission pipe, and greatly overcomes the defects of large linear expansion coefficient of other plastics and ordinary pipes.

大口径保温钢管是传统钢塑管、镀锌管升级型的高性价比产品。其具有综合特点，即有钢管的高强度、高延伸性、低温脆性好、膨胀系数小，又有塑料管耐腐蚀、耐磨损、流体阻力小等优点，防腐保温钢管成熟技术，属于种新型的给排水、防腐绿色大口径管，被国内各行业越来越广泛的采用。一般采用内外固定墩结合使用,内固定墩是用来保证在设定的点位,工作管与外套管不发生位移。外固定墩是用来固定外套管的,其功能主要是防止或限制外套管发生热位移。

Large diameter thermal insulation steel pipe is a high cost-effective product of traditional steel plastic pipe and galvanized pipe. It has comprehensive characteristics, that is, high strength, high elongation, good low temperature brittleness, small expansion coefficient, and plastic pipe corrosion resistance, wear resistance, low fluid resistance and other advantages. The mature technology of anti-corrosion and thermal insulation steel pipe is a new type of green large-diameter pipe for water supply and drainage and anti-corrosion, which is more and more widely used in domestic industries. The internal fixed pier is used to ensure that there is no displacement between the working pipe and the outer sleeve at the set point. The outer fixed pier is used to fix the outer casing, and its main function is to prevent or limit the thermal displacement of the outer casing.