Method of thermally insulating stop valves, and thermal-insulation device
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United States of America Patent
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May 12, 2020
Grant Date -
Jan 26, 2017
app pub date -
Aug 3, 2016
filing date -
Mar 28, 2014
priority date (Note) -
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Abstract
A heat-insulated box for insulating parallel-slide valves includes multiple sections each including an outer protective steel envelope with a heat insulation coating on an inner surface. A number and configuration of sections is determined based on geometric parameters of the insulated valve. Some sections include two semi-cylindrical segments rigidly coupled together and oriented in mutually perpendicular directions such that one segment can be installed on the valve and one segment can be installed on the pipeline. The box also includes stiffeners at the junction of the two semi-cylindrical segments. The sections include shock-absorbing sealing gaskets made of cellular rubber substance to ensure a tight seal of the box. The box includes a locking mechanism for coupling the sections together.
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