FIELD: technological processes.
SUBSTANCE: device consists of guide supports installed on both sides of respective pipe ends in the welding zone and rigidly clamped. The guide supports have an annular recess in the center with a radial bore for passing through and aligning weld pipes. Clamp members for clamping the guide supports with the pipe ends are solidly connected to the respective outer sides of the guide supports diverted from the weld groove. A frame for accommodating welding and test tools adapted for orbital movement around the weld groove is installed to pivot on the weld groove facing inner sides of the guide supports and to rotate at least 360° around the pipe ends.
EFFECT: improved quality of welded connection.
10 cl, 3 dwg
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