Yes ..I agreed with Mr. Izad ....
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Suresh
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Suresh
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-- On Thu, Dec 29, 2011 at 1:57 PM, hizad idris <hizad.idris@gmail.com> wrote:
Dear Vinod,If still leaking after re-expand, my suggestion to plug off the tube, if the performance still within the required coolers performance. Normally , cooler have over design up to 20%. Need to calculate the cooler performance with the remaining tube, after plug off.
-izad-On Wed, Dec 28, 2011 at 9:40 AM, Vinod Jotwani <poojvin@yahoo.com> wrote:
--Dear Experts,We have one of our fin fan cooler leaking from tube to tubesheet joint. The tube material is Duplex stainless steel.We would like to carry out re-expansion of the tubes, your advise is needed for %age expansion allowed when these tubes are to be re-expanded. The tubes are in operation since last one year in Sour Water Recovery Unit ( H2S service).Also if some body can share their experience in case of leakage even after re-expansion how to repair the tube to tube-sheet joint. For information the header is welded constuction.( Ref attached file )Thanking you,Vinod
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
Thanks & Best Regards,
Suresh
Mobile No: 91-92 92 905 905
To post to this group, send email to materials-welding@googlegroups.com
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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