Re: ANSI B16.5 Flange - Gasket Face Machining Allowance

From: <av>
Date: Thu Aug 09 2007 - 02:35:00 EDT

hello gyuys , i had made a spreadsheet for branch reif requirement a few months back and got a good response for that , i am coming out with a new one with a few more corrections and details does any one have any corrections /suggestions ? do let me know... regards
anup acharya

>From: Christopher Wright <chrisw@skypoint.com>
>Reply-To: <a href="/group/PipingDesign/post?postID=iA70i6TiB2aUAzuG_72MedetTayZLgPehkcAHWxikhEej6DMr09K57f7SD74asPPrmU94VYq-GadHgBScFAmoJ2f0A1kprQ">PipingDesign@yahoogroups.com</a>
>To: <a href="/group/PipingDesign/post?postID=iA70i6TiB2aUAzuG_72MedetTayZLgPehkcAHWxikhEej6DMr09K57f7SD74asPPrmU94VYq-GadHgBScFAmoJ2f0A1kprQ">PipingDesign@yahoogroups.com</a>
>Subject: Re: [PipingDesign] ANSI B16.5 Flange - Gasket Face Machining
>Allowance
>Date: Wed, 8 Aug 2007 10:54:55 -0500
>
>
>On Aug 8, 2007, at 6:31 AM, John Luf wrote:
>
> > Absolutely true statement " fact the Piping Codes apply to new
> > construction"... ASME has Published some PCC codes PCC is Post
> > Construction Code. in these you will find advice on various
> > patching methods etc,
>Thanks, John--I over-generalized. The ASME also has some in-service
>inspection codes, which I have never used, but but I daresay they're
>concerned with practicably maintaining the safety margins of new
>equipment. The National Board also maintains repair codes.
>
>It must have been a helluva blown gasket if the flange needs repair.
>Probably fair to add that the raised face height doesn't actually
>enter into the ASME Code stress calculation--you can probably do
>anything you want with it, provided the ring thickness dimension (T,
>I think) isn't reduced.
>
>Christopher Wright P.E. |"They couldn't hit an elephant at
>chrisw@skypoint.com | this distance" (last words of Gen.
>.......................................| John Sedgwick, Spotsylvania
>1864)
><a href="http://www.skypoint.com/~chrisw/">http://www.skypoint.com/~chrisw/</a>
>
>

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