Firestop collar for plastic pipes
塑料管道阻火圈
中华人民共和国公安部
本标准规定了塑料管道阻火圈的术语和定义、分类和型号、要求、试验方法、检验规则以及标志、包装、运输和贮存。
本标准适用于工业与民用建筑内部硬聚氯乙烯（PVC）塑料排水管道用阻火圈。其他塑料管道用阻火圈可参照本标准。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you have successfully purchased, please go to the plug-in category of the store and download the free plug-in installation package.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
