PPR管道安装完之后并不意味着万事大吉，一丝丝细小的疏忽和漏洞也会引发大大的悲剧。为了避免水管漏水等悲剧，Uk Gafloon Pipe Group Ltd一般是会进行一次水压测试。首先检查PPR管道有没有混装。

After the installation of PPR pipeline, it does not mean that everything will be all right. A little negligence and loopholes will also cause great tragedy. In order to ***oid the tragedy of water pipe leakage, UK Gafloon Pipe Group Ltd usually conducts a hydrostatic test. First, check whether PPR pipes are mixed.

品牌首先必须包涵经济价值本身，经济价值是一个品牌有力的体现，也是一个品牌的内涵和生命力。Gafloon卡弗龙，注重品牌打造，专注生产PP-R、PVC、地暖管等各种管材。

First of all, a brand must include the economic value itself, which is not only the most powerful embodiment of a brand, but also the connotation and vitality of a brand. Gafloon focuses on brand building and production of PP-R, PVC, floor heating pipes and other pipes.

水管是供水的管道，现代装修水管都是采用埋墙式施工，水管的分类有三种，一类是金属管，如内搪塑料的热镀铸铁管、铜管、不锈钢管等。第二类是塑复金属管，如塑复钢管，铝塑复合管等。第三类是塑料管，如PB、PP-R。

Water pipe is a kind of water supply pipe. Modern decoration water pipes are built with buried walls. There are three kinds of water pipes: metal pipe, such as hot-dip cast iron pipe lined with plastic, copper pipe, stainless steel pipe, etc. The second type is plastic clad metal pipe, such as plastic clad steel pipe, aluminum-plastic Synthetic tube, etc. The third type is plastic pipe, such as PB,PP-R.

ppr管材规格型号表

　　一般家用水管规格有DN15（4分管）、DN20（6分管）、DN25（1寸管）、DN32（1寸2管）、DN40（1寸半管）、DN50（2寸管）、DN65（2寸半管）、DN80（3寸管）、DN100（4寸管）、DN125（5寸管）、DN150（6寸管）、DN200（8寸管）、DN250（10寸管）等。

　　通常说的4分管是按英寸来说的，因此4分管就是1／2英寸（4／8＝1／2），而一英寸＝25．4mm，所以4分管的内径就是25．4／2＝12．7mm，而这就是通常所说的DN15水管的内径。