ELEMENT OF PIPELINE FITTINGS CAPABLE OF CONNECTION WITH POLYPROPYLENE AND METAL PIPES Russian patent published in 2013 - IPC F16L39/00 F16L19/00 

FIELD: construction.

SUBSTANCE: element of pipeline fittings, capable of connection with polypropylene and metal pipes, comprising a hollow body made of polypropylene with at least one integral element for connection with a polypropylene pipe, a hole in which is open to the body cavity, and also with at least one embedded element in the form of a bushing from a metal alloy, the cavity of which also communicates with the cavity of the body, with a section embedded into the body and a protruding tubular section, at the same time the section of the embedded element installed into the body at the side of the end is made with a circular groove arranged adjacently to the inner surface of the embedded element with inner side cylindrical surfaces, inside of which, being coupled with the bottom, there is a circular element arranged from a sealing solid elastic material, which is compressed under pressure, corresponding to the pressure of body pressing.

EFFECT: provision of the possibility to connect with polypropylene and metal pipes simultaneously, and also increasing reliability of pipeline fittings and their service life due to reduced probability of leaks occurrence.

6 cl, 2 dwg