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2024-07-04 09:30:22    评论:0 点击:
Polyurethane prefabricated buried insulation pipes are mainly used for conveying hot water in heating pipelines, usually divided into inlet insulation pipes and return insulation pipes. However, there is no strict distinction requirement for the inlet and outlet water of polyurethane prefabricated buried insulation pipes. Some thermal pipelines are distinguished by text, such as writing inlet or outlet water on the outer protective pipe of the insulation steel pipe, while others require the outer protective pipe of polyurethane prefabricated buried insulation pipes to be made in other colors

聚氨酯预制直埋保温管主要用于在供暖管道中输送热水,通常分为进水保温管和回水保温管。但是对于聚氨酯预制直埋保温管的进水和回水并没有严格的区分要求,有些热力管道上面是通过文字区分,比如在保温钢管外护管写上进水或回水,有些则要求把聚氨酯预制直埋保温管的外护管做成其他颜色,一般是使用黄色的外护管。

聚氨酯预制直埋保温管因为是用来输送热水,因此在保温钢管的内壁通常不做任何处理。但是有些工程则要求使用镀锌钢管做为聚氨酯直埋保温管的内管。

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聚氨酯预制直埋保温管的全称是高密度聚乙烯塑料外护聚氨酯泡沫预制直埋保温管,其价格主要区别也在于聚乙烯塑料外护管和聚氨酯发泡质量上,因为个别的供应商会为了利润而使用非原包料做外护管的材料,同时会在聚氨酯发泡的硬度和填充厚度上做文章,而这些行为都是很难被发现的,因此大家在采购聚氨酯预制直埋保温管时,对低于正常价格的一定要多加注意。


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