FIELD: pipes.
SUBSTANCE: invention relates to pipeline valves connections. Pipe connection comprises pipe tips, each of which is equipped with a pair of ledges for fixation of the annular sealing element, inserted between the ledges, housing with ledge on inner surface on one side and thread on outer surface on the other side, installed on the sealing elements with interference, nut with mating thread and ledge on the inner surface, as well as split retaining ring, mounted on one of tips between the housing end and nut ledge. Nut is elongated, connection comprises an additional locking element installed on tip so that it prevents movement of the nut in direction from the housing.
EFFECT: technical result consists in the fact that during assembly and disassembly of the connection there is no need to apply considerable forces during movement of the housing along two sealing elements.
5 cl, 1 dwg
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