FIELD: machine building.
SUBSTANCE: invention relates to connecting element for connection as to fluid. Plug-in element can be inserted into receiving area of housing of connecting element in axial direction. Housing includes locking member with which the plug-in element can be engaged. Device comprises a safety element that shows whether the fastening of plug-in element in connecting element is reliable. In order to improve the reliability of erection, locking member is installed and can be moved in axial direction relative to the housing by means of stretching movement from the first position to the second one; at that, cavity for movement of safety element is released in the second position of locking member.
EFFECT: enhanced erection reliability.
18 cl, 15 dwg
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