METHOD FOR THERMALLY INSULATING WELDED JOINTS FOR PRE-INSULATED PIPES
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United States of America Patent
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Aug 3, 2016
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Mar 28, 2014
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Abstract
The invention relates to heat insulation of pipes, and specifically to the installation of heat insulation on welded joint of pipes that are used for transporting oil and oil products. The method for installing heat insulation of welded joints of pipes for above surface pipelining includes providing anticorrosive protection of the welded joint of pipes using a heat-shrinkable polymeric tape, installation of polyurethane foam pipe coverings on the joint, fastening the pipe coverings using tie bands with locks, sticking hot-melt adhesive tape on the edges of the protective envelope of the pipe overlapping the polyurethane foam pipe coverings, and mounting a protective galvanized metal housing symmetrically to a center of the welded joint.
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