مشاهده لینک ها و تصاویر پس از ورود یا عضویت are made of polyethylene. These pipes (مشاهده لینک ها و تصاویر پس از ورود یا عضویت ) are produced in variety types, which are: PE single wall, double wall Corrugated PE pipe and مشاهده لینک ها و تصاویر پس از ورود یا عضویت .
PE pipes are often used for underground usage, if مشاهده لینک ها و تصاویر پس از ورود یا عضویت Applied according to the standards , their lifetime will be increased.
مشاهده لینک ها و تصاویر پس از ورود یا عضویت , are not only for the underground installation, they can also be installed above ground. For this purpose Carbon is added to the polyethylene pipes in order to protect them against the sun's ultraviolet radiation (UV) .
Due to the properties and advantages of polyethylene pipes ,They are the best option for underground piping
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