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In services where you have generalized tubes corrosion is easier to schedule heat exchanger retubing but when your corrosion is localized is almost impossible to predict heat exchangers tubes replacement.
Most of the carbon steel tubes are 2. We haven’t heard of an industry “rule of thumb”.
All NEW posts will show up credited to their authors. Strtictly there is no “rule of thumb industry guideline” for replacement. Heat exchangers lives are based on theoretical expected corrosion rates from RBI analysis. Some companies inspect exchanger tubes during scheduled shutdowns and replace them with less than.
NOTICE When migrating the old forums exhcanger to our new forums we were unable to retain the identity of the authors, so the old posts will show up as “anonymous”.
Luis Your question is too general without specifying details.
Heat exchangers tubes retubing
What is the rule of thumb practice for heat exchangers tubes retubing? January 30, – February 2, Where: Trust this will help you C. If the tube is uniformly affected to have this reduction in wall thickness, down stream equipment in the system would also be equally affected.
It is not too difficult to make such predictions today for C. Heat exchangers tubes retubing. Page 1 of 2.
Tube Bundles/Retubing – Process Solutions
S or Ti type materials. Discussion Forums – The Hendrix Group. In our case heat exchangers are required to work without leaks during a exchangr years run. Some companies inspect exchanger tubes during scheduled shutdowns and replace them with less than RE: Luis If it is ET, whoever is the inspection agency and the type of calibration standard used for C. Thanks for your sharing Luis. S and their inspection experience, the agency should grade your tubes in a way that you do not normally resort to whole sale replacement.
So, when you have exchanger tubes with nominal thickness of 2. S austenitic or duplex S.
The safe operation of oil refineries in the United States is under constant r Trust this helps you. So please participate and share knowledge just as you have in the past. In excchanger cases, plant production and safety of plant will over-weigh exchanger tube replacement or exchanger replacement criteria.
When migrating the old forums over to our new forums we were unable to retain the identity of the authors, so the old posts will show up as “anonymous”.
Heat exchangers tubes thickness is based in BWG. Stay Current Sign up for our quarterly newsletter covering updates on corrosion.
Tube replacement criteria is decided by plant experience and criticality of service for a particular process. What are others practice?
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