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Pipe Expansion Loop Design
Pipe Expansion Loop Design Published January 2023 Keywords Expansion Loops Piping Flexibility Stress Compensation Summary The purpose of this file is to illustrate quick sizing of the expansion loops. Pipe expands when heated and contracts when cooled. When a pipe allowed to move (unrestrained), it is free to expand or contract without generating thermal stresses. Once the pipe is restrained at the ends (by anchors or equipment nozzles), thermal stresses can be generated. These stresses are a result of a system’s lack of flexibility and ability to compensate for thermal expansion or contraction. Expansion compensation in the form of expansion loops, 90° elbows and z-bends are a simple, low cost and low maintenance design elements that can be used to increase system flexibility and decrease pipe stresses. These arrangements can be observer in Figure 1. Hints 90° changes in piping direction are the most efficient design to absorb thermal expansion/contraction. Utilize any natural flexibility of the piping system (any lateral offsets, changes of direction). Use strategic location for the pipe supports to avoid over restriction of the system. Share [...]
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New Office Grand Opening in Livonia, Michigan!
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