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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
"What Caused That?"
Can that Happen?!!!
chronicle companion images
PHOTO #2
PHOTO #3
About & Subscribe
PHOTO #1
Plugged tubes due to fretting cut-like defects.
PHOTO #4 NOTE Defects:
Spiral-wound gasket. As found when bundle was pulled.
PHOTO #5
Gasket extending into bundle matrix.
PHOTO #6
Removed gasket section.
PHOTO #7
In-situ defect. Note defect contour "V" corresponding with gasket surface contour.
PHOTO #8
60% depth defect. this tube is 2nd row down in bundle tube matrix.
PHOTO #9
Actual failure. Note deep defect. Gasket section was removed for photo.
PHOTO #10
INSPECTION PHOTOS
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