水路改造需要改變水路方向，PVC排水管電話，或者增加出水口時(shí)，都需要用到配件。如果你是清包自己裝，工人會給你開出配件清單，你按需購買即可。如果是半包或者全包，水管和配件都是由裝修公司提供。不管是哪種方式，基本的配件，我們必須知道。

Waterway transformation needs to change the direction of the waterway， or increase the outlet， all need to use accessories. If you are packing by yourself， workers will give you a list of accessories， you can buy on demand. If it is half or full package， water pipes and accessories are provided by the decoration company. Either way， basic accessories， we have to know.

PPR的熔點(diǎn)在260℃，所以要把熱熔器加熱到260℃，指示燈亮后，將管材和管件同時(shí)推進(jìn)模頭內(nèi)加熱。注意：這里要把握時(shí)間的分寸，加熱過短，受熱不充分：加熱過長，會導(dǎo)致管件塌陷。管材管件從熔接器上取出，迅速、平穩(wěn)、無旋轉(zhuǎn)地插入到位。注意：連接時(shí)間過長，PVC排水管，會導(dǎo)致連接強(qiáng)度不足或連接不到位。熔接后要冷卻一會。注意：在沒有充分冷卻前，應(yīng)避免受扭、受彎和受拉。

In addition to the wall thickness， we can also distinguish from the color marking on the outer wall of PPR pipe. Color marking is also called coextrusion. The PPR hot water pipe is marked with red color marking， the PPR cold water pipe is marked with blue color marking， and there are also manufacturers who do not need any color marking for PPR cold water pipe.