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

Fin Fan Failure

chronicle companion images

PHOTO #2

Tube end / roll area showing full wall conditions

PHOTO #3

Fin fan in-situ

PHOTO #1

Tube end photos showing full wall conditions

PHOTO #4

Tube end photo showing full wall conditions

PHOTO #5

Video probe snapshot showing deposits within tubing

PHOTO #6

Failure due to freeze bulge

INSPECTION PHOTOS

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Magnetec

Inspection Inc.