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Pig Launcher & Receiver Design Code

asked Jan 30, 2015 in Mechanical by ekwuemesam (3,660 points) | retagged Jan 30, 2015 by ekwuemesam
Do Pig Launcher & Receiver be designed to ANSI B31.3 or ANSI B31.8?

2 Answers

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answered Jan 30, 2015 by Tadd Pham (5,620 points)
Pig Launcher & Receiver should be designed in accordance to ASME B31.8 and ASME Sect. VIII Div. 1.

Material used should be High Yield Carbon Steel for launcher and receiver both for major and minor barrels (Intelligent Pig).
commented Jan 30, 2015 by ekwuemesam (3,660 points)
Thank you.

Please comment on where the spec break should end if there is such a requirement.
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answered Jan 30, 2015 by Tadd Pham (5,620 points)
Specification break between ASME B31.8 and the next/existing ASME Code to be at nozzles of the launcher/receiver and upstream of production headers at barred tees.

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