Connection assembly for the connection of a pipe to a plastic housing

摘要

A connection piece (2) for the connection of a pipe (19) to a plastic housing (1) of a valve, comprises a threaded plug (4) made of metal, which is arranged in a plastic sleeve (3) of the housing (1). At least one circumferential projection (9) and one corresponding circumferential groove (10) are provided between the threaded plug (4) and the plastic sleeve (3). The threaded plug (4) is secured only in an axial manner and freely rotatable beared in the plastic sleeve (3) by the connection of the circumferential projection (9) and the corresponding circumferential groove (10). The threaded plug (4) is provided protruding the plastic sleeve (3) to the outside and comprises a gripping surface (17) for the supply of a tool.