Re: Trunnion on an Elbow

Sorry. Are u guys still intersted. If yes Give me a few days. The problem is Paul is not allowing any attachment to a post. What i can do is probably copy it to pdf file and then email it. But I dont want to do for every guy thats asking for a copy. Thats a load of work.

• In PipingDesign@yahoogroups.com, Ashok T Dani <ashokdani@t...> wrote:
  > Hi Tom,
  > Everyone are interested in Calc. Better you post the material on
  personal ID
  > of Paul (Moderator) and he will just Up-load the material on
  Group. I think
  > it will be convenient for you and all of also.
  > Regards,
  >
  > -----Original Message-----
  > From: tomcruz55 [SMTP:tomcruz55@y...]
  > Sent: Thursday, March 27, 2003 12:10 AM
  > To: <a href="/group/PipingDesign/post?postID=VGN3Qfw28N6-xpP1WwEi3vcO8u10hX17G1RpHblFaPXroymp2rVy0xC8OffJnOzqGH8Hc8GJuEiuoPjcFWCLczknBA">PipingDesign@yahoogroups.com</a>
  > Subject: [PipingDesign] Re: Trunnion on an Elbow
  >
  > I have to disagree with comments made by Zope and Sachin.
  Trunnion
  > is
  > pretty much an industry accepted pipe support. As pointed
  out, even
  > the guys at Kellogs ( avery long time ago) have done quite a
  > detailed
  > study on this very subject and recommend its use. The last
  book that
  >
  > ive read published by CASTI even has a an equation that
  deals
  > specifically with its proper design. There are over a
  thousand of
  > this type of pipe support installed in power plant, refinery
  and
  > petrochem that to date is still around.
  >
  > And forget about the effect of the SIF, it rarely affect the
  result
  > of your flexibility analysis. Instead focus on the details -
  > welding,
  > inspection and fitup if your designing one. If anyone is
  interested,
  >
  > i could post the equation for its design.
  >
  >
  >
  > --- In PipingDesign@yahoogroups.com, "Tushar, Zope"
  > <zope_tushar@f...> wrote:
  > > Hello Friends,
  > >
  > > Use of trunion on elbow is generally accepted practice.
  Some
  > companies do not allow at all and some companies do allow on
  > conditional basis.
  > >
  > > You can use it for temp. below 150 deg C (No problem at
  all.)
  > > But it's not good to use it above 150 deg C. The reason is
  simple
  > that we can take advantage of flexibility associated with
  the elbow
  > in stress analysis.
  > > Also I would suggest to avoid it above 60 deg C for
  Stainless
  > Steel
  > and Alloy Steel lines.
  > >
  > > Better go for a support at the pipe (horizontal or
  vertical as
  > well).
  > >
  > > Thanks and regards.
  > >
  > > Tushar Zope
  > > Piping Engineer
  > > Foster Wheeler Eastern Pte. Ltd, Singapore
  > > Ph: 6890 0837 Fax: 6223 2989
  > >
  > > Disclaimer
  > > 'The information contained in this email and the files
  transmitted
  >
  > with it are
  > > confidential and intended only for the use of the
  individual or
  > entity to whom
  > > they are addressed. If you have received this message in
  error,
  > please
  > > immediately notify the sender and delete the mail. The
  views or
  > opinions
  > > presented in this email are those of the author and do not
  > necessarily represent
  > > those of the company. The recipient should check this
  email and
  > any
  > attachments
  > > for the presence of viruses. Foster Wheeler Eastern Pte Ltd
  > accepts
  > no liability
  > > for any damage caused by any virus transmitted by this
  email.'
  > >
  > >
  > >
  > > ____________________Reply Separator____________________
  > > Subject: Re: [PipingDesign] Trunnion on an Elbow
  > > Author: Sachin_Bapat@r...
  > > Date: 9/7/02 8:46 AM
  > >
  > >
  > >
  > >
  > > If you go through piping design books you will find
  that
  > > trunnion on elbow
  > > reduces the flexiblity of trunnion & also it
  modifies the
  > value
  > > of sif &
  > > flexibility factor . piping design book (M W
  kellogg)
  > chapter 4
  > > -local
  > > components expilicitly derives relation for the
  same,
  > thats
  > > why most of
  > > design companies dont prefer trunnion on elbows &
  use of
  > pads
  > > for trunnion
  > > on elbow is highly discarded as all these reduce
  > flexibility
  > of
  > > trunnion ,
  > > which may be of concern in rigid layouts
  > > hope this answers your query.
  > > regards
  > > sachin
  > >
  > >
  > >
  > >
  > >
  > > Yahoo! Groups Sponsor
  > > ADVERTISEMENT
  > >
  > >
  >
  <<a href="http://rd.yahoo.com/M=229441.2336363.3766536.2225242/D=egrou">http://rd.yahoo.com/M=229441.2336363.3766536.2225242/D=egrou</a> pw
  > >
  >
  eb/S=1705083319:HM/A=1189560/R=0/*<a href="http://www.bmgmusic.com/acq">http://www.bmgmusic.com/acq</a> /e
  > > e/q6/enroll/mhn/10/>
  > >
  > > Texas Flange - a good source for information on
  industrial
  > > flanges, all they ask is for referrals for designs
  they
  > help
  > > with.
  > > 877-610-8924.
  > > www.texasflange.com
  > >
  

  ---

  
  > > unsubscribe: PipingDesign-
  <a href="/group/PipingDesign/post?postID=1OPcyKPUKjpIAisrZ_DGgda6-z_AKeF-tkE-GA61GJIIMS_jYUU2np3Pmhf76CPcd7aTguSUlN7DvERtkx7xM24akNc">unsubscribe@yahoogroups.com</a>
  > >
  > > Your use of Yahoo! Groups is subject to the Yahoo!
  Terms of
  > > Service <http://docs.yahoo.com/info/terms/>.
  >
  >
  > ------------------------ Yahoo! Groups Sponsor
  >
  > =====================================================
  > Discussion List sponsor: The fluid flow calculations
  website -
  > www.LMNOeng.com - LMNO Engineering,
  > Research, and Software, Ltd.
  > =====================================================
  > unsubscribe: <a href="/group/PipingDesign/post?postID=9eCtzI2rnrRYIvYV_YOfa-Omp9JScRsu6OlyiD9-oovn-CG7xeHV7AoM6HW7fkWUMItwfXhlapgY4rlxwtFzADtmA_JCdtLvo9M0qL8Qjg">PipingDesign-unsubscribe@yahoogroups.com</a>
  > =====================================================
  >
  >
  > Your use of Yahoo! Groups is subject to
  > <a href="http://docs.yahoo.com/info/terms/">http://docs.yahoo.com/info/terms/</a>