FIELD: pipe-line building. SUBSTANCE: yoke consisted of three parts is mounted on the periphery of coating before welding circumferential weld. Threaded connection is tightened after assembling the yoke until the corrosion-resistant coating is properly squeezed. Second yoke is mounted at a distance of 0.25-0.30 of the pipe diameter in much the same way as the first yoke and they are connected together by means of stud bolts that prevents yokes from axial displacement. EFFECT: enhanced reliability of corrosion-resistant coating. 2 dwg
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