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冷热水管
PPR水管分为热水管和冷水管，会有蓝色、红色线标识。冷水管管壁较薄，热水管管壁较厚，更加耐用些，加上冷热水管价差不大，所以，现在大部分家庭，装修都会考虑全屋热水管，冷水也使用热水管。
Cold and hot water pipePPR water pipe is divided into hot water pipe and cold water pipe，PVC排水管厂家， which will be marked with blue and red lines. The wall of cold water pipe is thinner， and the wall of hot water pipe is thicker， which is more durable. In addition， the price difference between cold and hot water pipes is not big. Therefore， most families now cider the whole house hot water pipe for decoration， and cold water also uses hot water pipe.
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，PVC排水管制造，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 smaller than that of hot water pipe.
PPR管和PVC管的区别可以以管径的粗细为依据，但是这种鉴别的要领就必要经历了。首先对管子的环境都要熟习，云阳PVC排水管，少要有印象。这样的话时间长了看到管子就知道其规格是多大的了。
The difference between PPR pipe and PVC pipe can be based on the thickness of pipe diameter，PVC排水管， but the essentials of this identification must be experienced. First of all， we should be familiar with the environment of the pipe， and have less impression. In this way， after a long time， you can see the size of the pipe.
