PPR管热熔连接方法
安装准备——预制加工——干管安装——立管安装——支管安装——管道试验——管道冲洗——管腔内消毒
Hot melt joining method of PPR tubeInstallation preparation - prefabrication - main pipe installation - riser installation - branch pipe installation - pipe test - pipe flushing - disinfection in the pipe c***ity
同种规格的PPR热水管壁厚要比冷水管的厚，简单举例：D25×2.3 D25×2.8 D25×3.5 D25×4.2 这里列举的是外径为25MM的PPR管所对应的四种不同规格，前面两种为冷水管，后面两种为热水管，因此可以非常明显的看出，冷水管的壁厚要小于热水管。
The wall thickness of PPR hot water pipe of the same specification is thicker than that of cold water pipe. Simple example: D25 × 2.3 D25 × 2.8 D25 × 3.5 D25 × 4.2 here are four different norms of PPR pipe with outer diameter of 25 mm. The first two are cold water pipes and the latter two are hot water pipes. Therefore， it is very clear that the wall thickness of cold water pipe is ***aller than that of hot water pipe.
现在，一些小的宾馆或一些建筑物的部分商业、办公区域也需要用到采暖和生活热水，他们的热负荷或生活热水用量要比家庭大许多（即并联安装若干台燃气壁挂炉）；因此热水管的管径比较大，PPR管材管件规格，在与集分水器、隔离罐、控制附件等连接时需要用到法兰连接。
Now， some ***all hotels or some commercial and office areas of some buildings also need heating and domestic hot water，盐城PPR管材管件， and their heat load or domestic hot water cost is much larger than that of families (that is， several gas-fired wall mounted boilers are installed in parallel); Therefore， the diameter of the hot water pipe is relatively large， and flange connection is needed when connecting with the water distributor，PPR管材管件， isolation tank， control accessories， etc.
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