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Posted by John Ray on March 11, 2002 at 08:25:01:
In Reply to: insight on the pros and cons of pad welds verses dutchman posted by John Ray on March 08, 2002 at 14:15:53:
We have an HRSG , Nooter/Erisen Boiler. Water Tube. We are having numerous tube leaks. Currently we have 4 tubes that are plugged. We have 8 flow circuits and 16 transverse sections.
Tube matewrial is SA-178A. The inside of the tubes are showing some corrossion, but not too severe given the age of the boiler; 13 years.
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