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@BenMacier, have you ever seen something like that?

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...

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

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

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

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

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

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...

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...

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?

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...

What do you mean about Note T5???

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.

The only problem is that I am i Brazil

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.

The tank has 323 ft of diameter. The tree plates represents 12% of it.

I appreciate your concern, but I wanted to Know if there is any API guide or something else where I could find some guidelines or good practices to do this job. regards

Hello everyone. I will have to replace 3 entire shell plates of our naphta tank. They are side by side in the third level out of six. Where can I find information how I have to procede, the correct sequence of each step. Appreciate your comments/thoughts on the above.

Hi erveryone. Let me show a picture of the seal I was talking about. You can see the wear in some points.http://files.engineering.com/getfile.aspx?folder=7b0d53e1-7410-49a6-8f5e-723eac7cc3a2&file=DSC00604.JPG

tamal1475, abrasion by fly ash is a problema for us and we have to live with it. As I said before, our coal have a lot of ash. So we do have to look for more resistent materials. Any problem with the variation of temperature for cast iron?