FIELD: machine building.
SUBSTANCE: coupling is made with grooves. In the middle part of the coupling there is located an arrester for centring connected pipes. Grooves are cut on ends of connected pipes on external side; before connection the grooves are preliminary filled with glue composition; ends of the pipes are successively press fitted into the coupling.
EFFECT: raised reliability of pipes connection, preservation of internal coating of pipes.
1 dwg
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