PE water supply pipe flexibility
PE water supply pipe flexibilityPE is also called (polyethylene) material, which has unique flexibility and good scratch resistance.
The unique flexibility of the PE water supply pipe production line also enables it to effectively resist underground movement and loads. On the surface, in terms of strength and rigidity, the plastic buried pipe does not need to achieve the same strength and rigidity as a "steel pipe" to meet the requirements of mechanical properties in buried use. At the same time, the pressure relaxation characteristics of polyethylene can effectively eliminate stress through deformation. The actual axial stress level is much lower than the theoretical calculation value, the elongation at break is usually greater than 500%, and the bending radius can be as small as the diameter of the pipe. It is 20-25 times that of high-toughness materials, and has strong adaptability to uneven settlement of foundations. These characteristics make it a pipeline that resists disasters, foundation settlement and temperature difference expansion. For example, in the 1995 Kobe disaster in Japan, the only flexible PE water supply pipes and gas pipes were the piping systems that survived.
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