| 摘要 |
The invention relates to a pipe coupling, comprising an insertion sleeve (14) for accommodating a spigot end (18) of an inserted line element (22), a sealing system (60), which is arranged in the insertion sleeve (14) and has a sealing ring (62) for sealing the spigot end (18) in the insertion sleeve (14), and an anti-sliding system (70) for fixing the spigot end (18) in the insertion sleeve (14), wherein the sealing ring (62) of the sealing system (60) comprises an outer sealing element (82), which can be brought in contact with an inner wall surface (88) of the insertion sleeve (14) in a sealing manner, and an inner sealing element (94), which can be expanded from a minimum diameter (D1) to a maximum diameter (D2) that is at least 15 mm greater than the minimum diameter (D1), regardless of the outer sealing element (82). |
