METHOD FOR ANTI-FIRE INSULATION AND THERMAL INSULATION OF WELDED JOINTS OF PRE-INSULATED PIPES DURING ABOVE-GROUND PIPELINE LAYING
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United States of America Patent
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app pub date -
Aug 3, 2016
filing date -
Mar 28, 2014
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Abstract
The invention relates to fire and heat insulation of pipes, and specifically to the installation of fire and 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 glass 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 glass foam pipe coverings, and mounting a protective galvanized metal housing symmetrically to a center of the welded joint.
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