The type B sleeve is composed of a pair of semi-circular steel protective plates covering the defect of the pipeline, which are welded together through longitudinal butt welds. The end of the sleeve is fixed to the pipeline by circumferential fillet welding.Type B sleeve is suitable for repairing various types of defects, including pipeline leaks, corrosion, mechanical damage, and circumferential defects, and belongs to permanent repair.
The type B sleeve is composed of a pair of semi-circular steel protective plates covering the defect of the pipeline, which are welded together through longitudinal butt welds. The end of the sleeve is fixed to the pipeline by circumferential fillet welding.
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