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预制直埋热水保温管Prefabricated Heat Insulation Pipes 直埋预制保温管由输送介质的钢管，聚氨酯硬质泡沫保温层和高密度聚乙烯外套管紧密结合而成，该产品主要用于城 镇集中供热管网，石油输送管线，高寒地区输水管线及厂区工业管道工程，它具有高效保温、防水防腐和施工简便，不怕 植物根刺的优点，施工不需地沟敷设，能在0.6-1.2米冻土层内直埋，热损失比传统工艺可降低40%，使用寿命比其他绝热 防腐材料提高3-5倍以上，使用寿命可达30-50年。 Direct-buried prefabricated thermal insulation pipe is made by closely attach- ing the transm- ission medium of steel pipe ,polyurethane hard foamed thermal insulation layer and HDPE outer casing This project is mainly used on urban central heating networks, petroleum transmission pipelines , water supply pipe- lines in high and cold areas and industrial pipeline projects in factory areas . It has the advantages of highly effective thermal insulation,water resistance and corrosion resis－ tance and resistance to puncture by plant roots. Trench laying is not required during construct－ ion and it can be directly buried in the frozen earth layer 0.6to 1.2m deep。The amount of thermal loss can be reduced by 40%as compared with the traditional process. Its service life can reach 30 to 50 years, which is 3to 5 times longer than other thermal insulat-ion and corrosion resistant materials.
预制直埋热水保温管性能指标
预制直埋热水保温管规格型号
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