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Recent content by Guibar

  1. Guibar

    TLE - Transfer Line Heat Exchanger corrosion

    @BenMacier, have you ever seen something like that?
  2. Guibar

    TLE - Transfer Line Heat Exchanger corrosion

    Hi everyone. Hope you are all ok. I have been trying to find someone who had experience corrosion in the TLE - Transfer Line Heat exchanger in pyrolisys furnace, in the water side. I have attached pictures to show. We have been facing it for several years anda have not been able to solve it...
  3. Guibar

    Tank dike

    Thank you all... @LittleInch, I do agree with you, but you know, there is aways some "smart guys" that would not agree.. Thanks
  4. Guibar

    Tank dike

    Hello everyone, Does anybody know if every tank must have dike? any standard talking about that? Regards
  5. Guibar

    Lap-welded Patch Plates on Repair of Fixed Roofs

    Hi everyone. thanks for all very clarifing answers. HTURKAK, we can perform hot work on it. The tank has been cleaned.
  6. Guibar

    Lap-welded Patch Plates on Repair of Fixed Roofs

    Hi everyone. Is there any guide or recommendation about weld patch plates as repair of fixed roofs? I could not find any indication in API 653. Regards
  7. Guibar

    Wedge plug valve cracks repair

    Thanks for your help guys... That is ecxactly what I was looking for!
  8. Guibar

    Wedge plug valve cracks repair

    Hi everyone. I would like to know if there is any code, standard or bibliography that can help to evaluate the integrity of the body of valves. We are performing NDT in the body of many valves and have found a lot of indications, small cracks using MP test. I don't know if tehre is any...
  9. Guibar

    Pipe support inspection

    Hello everyone. We have been performed inspection in piping supports by lifting then to inspect and see the integrity of pipe and support. However, we always lift the pipe at maximum 100mm, we never checked if this lift could cause any issue in the pipe system. I would like to know how I can...
  10. Guibar

    Criteria for use of PSV / TSV???

    e443u, thank you for your answer. Although, would you know any standard that refers to those items you have listed or are they engineering good practices?
  11. Guibar

    Criteria for use of PSV / TSV???

    Hello all, I am looking for any guide or standard that defines when do we need to use a PSV or TSV in pipelines or even in short distance pipes. In all HAZOP I participate, people always ask if should or should not have a safety valve in a pipe (any pipe). The answer I always hear is " it is a...
  12. Guibar

    Limit temperature ASTM a 213 T12

    What do you mean about Note T5???
  13. Guibar

    Limit temperature ASTM a 213 T12

    Hello Eveone. I am looking for references about the behaviour of ASTM A 213 T12. Does anybody have a Bibliography where I can Find the maximum temperatures for this material, without worring with creep? Regards.
  14. Guibar

    Tank shell plate replacement

    The only problem is that I am i Brazil
  15. Guibar

    Tank shell plate replacement

    Hello all. thanks for your advising. We still don't know exactly what happen to the tank. We are checking out some companies to get the job done.
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