Coupling for connection of two fluid ducts, comprises sealing lip permanently joined to insertion area

摘要

The unit comprises two parts to be connected by inserting the outer end of the first part (1) into the opposite part (2) and locking the parts (1,2) by engaging complementary segments with a lever (14). The arrangement is protected from leaking by a sealing element located at the socket part (2). A sealing lip (15) is permanently joined to a groove (11) of a complementary shape and is pressed against a contact surface (8) at the opposite part (1) when both parts (1,2) are connected.