Sunday, February 22, 2015

Re: [MW:22917] Re: Joint catagory of WNRF flange in a pressure vessel

Pl find below the interpretation. I believe I misrepresented in earlier mail.

Interpretation:  VIII-1-89-33
Subject:         Section VIII, Division 1 (1986 Edition, 1987 Addenda), UW-3
Date Issued:     October 26, 1988
File:            BC88-245, VIII-1

Question:  A welding neck flange is welded with a butt weld at the tapered end of the flange extension to the pipe nozzle.  Is this joint a Category C joint by location in UW-3(a)(3)?

Reply:  Yes.


On Fri, Feb 6, 2015 at 8:18 PM, LINUS <linustech@gmail.com> wrote:
For WNRF Flange it is B. There is also an interpretation on this. Shall locate and post

On Tuesday, February 3, 2015 at 2:27:51 PM UTC+5:30, Umar Rashid Makrani wrote:
Dear Experts,
As per UW-3, what will be the joint category of WN flange to nozzle weld. My opinion is Category B. Please advise with clarifications.

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