| 摘要 |
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 |
