FIELD: engineering industry.
SUBSTANCE: invention refers to couplings meant for fluid medium piping system. Coupling has an oblong body and a locking part installed thereon so that it can be moved transversely relative to the body longitudinal direction. Directed movement of the locking part is provided with locking ribs entering the guide holes provided in the body. Locking part has fixing protrusions that allow fixing that part in unlocking position wherein those fixing protrusions enter the retaining cavities, and in locking position wherein those protrusions enter the fixing cavities.
EFFECT: providing relatively easy operation of coupling when detaching and attaching it.
6 cl, 3 dwg
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