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sachin_rastogi_in
Power-User

Join Date: Jul 2008
Location: India
Posts: 111

Branch connection

10/14/2008 4:18 AM

How can one know whether stub-in/stub-out or fitting connection is required or not for branch connection ?

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PennPiper
Guru
Engineering Fields - Piping Design Engineering - Retired Piper

Join Date: Feb 2007
Location: Bayonet Point, Florida
Posts: 635
Good Answers: 61
#1

Re: Branch connection

10/14/2008 7:11 AM

Both are acceptable to the ASME B31.3

Get your copy of the code and read it.
Also discuss this with your pipe fabrication shop engineering manager. The shop might have some limitations or be able to offer cost savings with one or the other.

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Anonymous Poster
#2

Difference between stub-in and stub-on Branch

02/03/2009 12:00 AM

what is the difference in brach in and branch on connection?... an engineering quiz i found here in the net says, for branching one size lesser of run pipe, stub on is preffered. for other branching less than one size of run pipe, stu in is preffered. is this true?

link. www.pipingdesign.com/piping_quiz.pdf

actually i can't figure it out. also, do welding connection of stub in and stub on same?

do you have a picture of it? it will help me a lot. thanks.
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