FIELD: machine building.
SUBSTANCE: invention relates to pipe coupling for pipes with smooth end. Coupling is formed by segments connected end face to end and surrounding central area. Segments are connected end to end by means of eye lugs on each segment by means of fasteners, continuing between them. Each segment has channels on opposite sides, which face the central area, with tiers of different radii. Holders are received inside channels. Holders have teeth and one or more displaced tabs that interact with channels to prevent improper assembly. Ring seal is received inside the channel located in each segment between channels of the retainer.
EFFECT: invention simplifies the coupling process.
45 cl, 9 dwg
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