FIELD: machine building.
SUBSTANCE: invention relates to a clamping device. Device for connection of first pipe (1) and second pipe, comprising clamping clamp (10), intended for clamping adjacent ends of two pipes, and backing ring (28) attached to clamping yoke by fasteners. Support ring (28) has locking element (44) intended for interaction with positioning element (48) of first tube (1), in order to prevent turn of backing ring (28) relative to first pipe (1).
EFFECT: invention enables to control angular positioning of pipes.
12 cl, 5 dwg
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