Wednesday, October 13, 2010

[MW:7542] Stub-in or Stub-on

Dear All,

Thank you for clarifying reg baking....

Im working in refinery,,,I would like to know whether Stub-in or Stub-on is to be used for fittings ( 3/4th inch coupling or weldolet or sockolet ) to the run pipe? Is it the same for branch piping?
Does it depend on the class? Nothing is mentioned in the spec or drawing..one contractor is putting all fittings as Stub-on ,,the other contractor is doing Stub-in.. pls guide me.

Regards

Vasu

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