Pipes polyethylene gas GOST P 50838-95 are made from polyethylene of the PE80 and PE100 brands. The polyethylene pipe for gas has color yellow or black with the yellow longitudinal marked strips in number of not less than three which are evenly distributed on a pipe circle. Pipes gas polyethylene are intended for transportation of gases and air-gas mixes which do not contain aromatic hydrocarbons. Exclusively underground laying of polyethylene pipes for gas is allowed. Elevated and their land installation is forbidden. This results from the fact that polyethylene is not steady against long influence of an ultraviolet. The air environment, aggressive for plastic, considerably reduces the term of its service and reduces durability that does not correspond to equipment of a bezopansnost. Pipes PE gas are not intended also for plant of gas to buildings, only steel pipes are for this purpose used.
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Pipe polyethylene for gas supply