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