▎ 摘　　要

NOVELTY - The utility model claims a PPR pipe, comprising a portal frame; two sides of the top part of the portal frame is fixedly installed with a filtering component; the bottom of the filtering component is fixedly installed with a connecting wheel; the connecting wheel is fixedly installed with a limiting component; the bottom of the connecting wheel is fixedly provided with a clamping pipe; a bending pipeline is fixedly installed between the clamping pipes; the bottom of the bending pipeline is fixedly installed with a supporting platform The utility model is fixedly installed with a bent pipe between the clamping pipe; the surface of the core layer is uniformly provided with a middle layer; the middle layer is provided with a graphene modifier; using graphene as a large area of the sheet structure material; itself has excellent physical and chemical properties; using the sheet structure of graphene; endowing the bottom layer with a certain barrier property and weather resistance and so on, at the same time, low content of graphene structure, adding in the pipe material has mechanical performance of improving the stretching of the pipe material, solving the problem of low temperature and high temperature use effect is bad.