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衬管分为哪三种
更新时间: 2020-11-07 00:00:00  

衬管全称为衬塑钢管,分为不分流衬管、分流衬管和单独分流衬管这三种。衬管以镀锌无缝钢管、焊接钢管为基管,内壁去除焊筋后,衬入与镀锌管内等径的食品级聚乙烯(PE)管材,聚乙烯衬层厚度要求符合CJ/T136-2007标准,最后加压加热一定时间后成型,是传统镀锌管的升级型产品。

关键词: 分为

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