Coupling arrangement for connecting fluid lines into fluid system, has locking element provided in detachable connection with coupling housing and engaged with fluid line during insertion of fluid line into coupling housing

摘要

The arrangement (10) has a locking element (16) provided in detachable connection with a coupling housing (12). The locking element is engaged with a fluid line (14) i.e. connection pipe, during insertion of the fluid line into the coupling housing. The coupling housing includes a recess into which the locking element is projected to attach the fluid line in the coupling housing, where the locking element is circularly formed. The fluid line includes a locking unit connected with the locking element of the coupling housing. The fluid line is made of plastic and/or brass and/or copper.