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PHOTO #4 Removed tube sample
NOTE: Failure in tube
PHOTO #4
Bottom Half - Note Minimal Corrosion
Liquid
PHOTO #5 Severe groove depth adjacent
to edge of support
PHOTO #6
PHOTO #7
PHOTO #8
PHOTO #5
Top Half - Note Corrosion
PHOTO #6
Bottom Half - Note Minimal Corrosion
PHOTO #7 Cross Section
Tube split to show top & bottom
-
Left & right sides show minimal corrosion. Liquid covered.
-
Inner left & right (top circumference of tube) show heavy corrosion. Liquid/Vapor.
PHOTO #8
Top Half - Note Corrosion
Unexpected Tube Failure in
HDS Stripper OVHD Air Cooler
chronicle companion images
PHOTO #2
NOTE: Close up of Failure
PHOTO #1
Top half of tube looking at failure
PHOTO #3
Top Half of Tubing - Note Corrosion
Liquid/Vapor
Corrosion Protection
by Sleeve Installation
chronicle companion images
COVER IMAGE
PHOTO #1
Original thickness tube in outlet pass (non-corrosion zone)
About & Subscribe
PHOTO #2
Severely corroded tube ends with installed sleeve
NOTE: Corrosion around tube end
PHOTO #3
Installed sleeves (2001)
PHOTO #4
Pulled tube sample – Location at Sleeve/tube interface
Installed sleeve (2001)
​
NOTE: Loose sleeve is due to cutting & sectioning tube sample
End of sleeve (roll) & parent material.
Wall loss 50%
PHOTO #5
Removed sleeve
NOTE: Corrosion protection achieved by sleeve
PHOTO #6
Corrosion noted at 5’ feet from Inlet tube end
Wall loss 60%
PHOTO #7
Parent tube material at 8’ feet from Inlet tube end
PHOTO #8
PHOTO #9
PHOTO #10
PHOTO #11
PHOTO #12
INSPECTION PHOTOS
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