Saturday, December 1, 2012

Re: [MW:16118] What are the criteria to select Stub in or Stub on for Branch connection in Piping?

Some OEMs see insertion of branch pipe in main pipe as obstruction in flow and prevent from this type of joint orientation. They say it will not ensure proper flow in the branch pipe. Fluid inside pipes is also considered as a factor.   
Stub out connections result in fillet welds while stub in result in butt weld
 
Ammar
On Thu, Nov 29, 2012 at 4:53 PM, Samir Mehta <samirmehta.jnd@gmail.com> wrote:
the branch connection for the header with re-pad should be stub-out. The header that does not have re-pad should be stub-in.

Regards
samir

On Thu, Nov 29, 2012 at 1:47 PM, PK M <pkmqaqc@gmail.com> wrote:
Dear Experts,

What are the criteria to select Stub in or Stub on for Branch connection in Piping?

(Or)

How to choose Stub in or Stub on for Branch connection in Piping?


Thanks,

Pkm..

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--
Samir Mehta
Engineer - Welding & Projects
JPIOS
Abu Dhabi - UAE

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