METHOD OF REPAIR OF UNDERWATER PIPE LINE AND CENTERING MOUNT FOR REALIZATION OF THIS METHOD

摘要

FIELD: pipe line transport for liquids and gases. SUBSTANCE: defective section is subjected to mechanical stabilization of axial alignment by means of centering mount 3, after which defective section is cut out. Edges of shear 4 are blunted and bevelled. Backing members 5 are welded to circular cuts from the inside. Half-coils 6 are welded to members 5. This done, centering mount is removed. EFFECT: enhanced efficiency. 3 cl, 7 dwgi