A natural gas piping expansion loop configuration accommodates thermal expansion through a series of pipe segments connected by elbows in a U-shaped loop. The assembly requires a primary leg length of 7 feet 10 13/16 inches and a secondary offset length of 3 feet 10 13/16 inches. For parallel pipe installations, the innermost expansion loop must adhere to these specified dimensional requirements to ensure proper system performance.
Text on the drawing
7' - 10 13/16" 3' - 10 13/16" WHERE MULTIPLE PIPES RUN PARALLEL, THE SIZE OF THE INNER MOST EXP. LOOP MUST MEET THESE REQUIREMENTS 10 NATURAL GAS PIPING EXPANSION LOOP DETAIL
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