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O.D. Cooling Water Corrosion in Slurry Bundle

chronicle companion images

IMAGE #1
Fixed Tube Sheet View of Straight Tube Bundle
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Recent failures which launched RCFA
IMAGE #2
Severe O.D. Corrosion – Cooling Water Corrosion
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O.D pitting of 65% depth
IMAGE #3
Multiple Pit Initiation Sites
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Note: Numerous initiation sites along tube axis
 
IMAGE #4
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IMAGE #5
Tube Support Location
Chron15-5.JPG
Corrosion cells adjacent to supports
IMAGE #6
Chron15-6.JPG
Thick/friable cooling water deposits on support structure
Additional Images
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Chron15-10.JPG
Chron15-11.JPG
Chron15-12.JPG
Chron15-13.JPG
Chron15-14.JPG
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INSPECTION PHOTOS

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