PE pipe in the course of thermal expansion and contraction problems exist, particularly for plastic pipes (including PE pipe), there is 1% -3% of thermal elongation. For smaller outer diameter (eg DN60) pipe, in addition to using the telescopic joint approach, another way is to stay out of the telescopic pipe margin, dark building in slightly wider spreads in the trenches pe water supply pressure, it has Telescopic bent room. And play a major role for large diameter ultra high molecular weight polyethylene pipe, since the pipe joints more Zhangqiu pe water pipe under the effect of thermal expansion and contraction will squeeze pipeline bend, pull off or cracking leaking water pipe wall thickness pe architectural structures will be damaged, resulting in greater economic losses, so the large diameter ultra high molecular weight polyethylene pipe should be able to use the device -PE length self-regulating water supply expansion joints. In 1933 the British company ICI discovered the first development to PE, PE is produced by a variety of processes, with a variety of structures and properties and multiple uses of a series of varieties of resin, already accounts for one third of world production of synthetic resin, in first place. One of the best uses of PE can be used to produce pipe transporting any medium except strong acid, strong base, according to the annual consumption of foreign materials spinning count, the current field of water pipes PE pipe over the world is about 100 million tons, Widely used in water supply, sewerage, irrigation, gas transportation, mining fine particulate solids transport, as well as oil, chemicals, and postal and telecommunications and other fields. pe water pipe pressure _ Xiong Yu-tai (certified) _pe water supply provided by Xiong Yu-tai plastic factory. Xiongxian-Thai plastic products factory (www.taiyusuye.com) Hebei Baoding, UPVC pipe leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Xiongxian Thai-leadership with the staff warmly welcome all inquiries negotiations to create Xiongxian Thai-better future.