Message Board Thread - "infrared "CUI"corrosion under Insulation "

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infrared "CUI"corrosion under Insulation tleblanc 2/22/2010
What or is there a way to detect "CUI" with infrared
 
Re:infrared "CUI"corrosion under Insulation ec 2/24/2010
Infrared can not detect corrosion under insulation. But infrared can detect wet insulation which usually is a precursor to corrosion.
 
Re:infrared "CUI"corrosion under Insulation tleblanc 2/24/2010
ec wrote:
d can not detect corrosion under insulation. But infrared can detect wet insulation which usually is a precursor to corrosion.
would you have any pictures to share?
 
Re:infrared "CUI"corrosion under Insulation ec 2/26/2010
I don't have any pictures. I retired from this line of work five years ago. Looking for CUI is really a hit or miss proposition. It is tough because you are looking at the aluminum jacket which is reflective. There is a 10-15 F difference in temperature between wet and dry insulation.

You have to be selective in which process lines to scan. Scan only those lines whose temperature is 250 F or less. Scan areas where you think water will settle or collect if there is water in-leakage through the jacket. Scan a few days after a good soaking rain in areas like low points or elbows.
 


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