BRANCH PIPE FOR GAS NETWORKS OR SANITARY INSTALLATIONS WITH NIPPLE BETWEEN PIPES OF VARIOUS MATERIALS

摘要

The invention relates to a non-anodic branch pipe for gas networks or for sanitary installations with nipple between pipes of various materials, employed in joining the consumers from inside a building to the external underground gas or water distribution systems made of plastic pipes, e.g. average or high density polyethylene. According to the invention, the branch comprises a pipe (1) made of plastic material coupled by means of a passing- through nipple (A) to a metal pipe (7), the plastic pipe (1) being protected in the overground portion and partially in the underground portion by means of an external metal tube (2) bent to the admissible bending radius of the plastic pipe (1).