Fitting for connection to a pipe element and pipe connection and a system for connecting a fitting and a pipe element

摘要

Fitting (3, 3 ', 103, 203, 303, 403, 503, 603, 803, 903) for connection to a tubular element (5, 5', 105, 205, 305, 405, 505, 605, 805, 905) comprising a first end portion (9, 9 ', 109, 209, 309, 409, 509, 609, 809, 909) comprising at least a first connecting element (21, 21', 121, 321, 521, 621, 821, 921), wherein the diameter of at least a part of the first connecting element (21, 21 ', 121, 321, 521, 621, 821, 921) is reducible in a radial direction to make a connection, characterized in that the first connecting element at least one first hook element (21, 21 ', 121, 321, 521, 621, 821, 921) and / or at least one first crimp (237, 437), which are designed in a positive or non-positive manner with at least one second Crimp (7, 7 ', 107, 207, 307, 407, 507, 607, 907) and / or at least one second hook element (235) which on the outer surface of the tubular element (5, 5', 105, 205, 305, 405, 505, 605, 805, 905) au are formed to be connected when the diameter of at least a portion of the first connecting element is reduced.