4 operation – Pulsafeeder Corrosion Coupon Rack User Manual
Page 5

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5
Revision C
4 Operation
To remove the coupons, turn off the isolation valves and loosen the coupon holder to remove the coupon
sample. Install the coupon by hand tightening the holder into the tee, noting the witness marks on the holder
body. Restore flow by opening the isolation valves and then inspect for leaks.
Threaded Connect Style
Quick Release Style
Coupon Handling:
Do not leave finger prints on samples.
Do not clean samples.
Use the treated envelope supplied with coupon samples for storage before and after testing.
Use TFE tape on threaded type holders, quick connect type holders use O-Ring style seals.
Witness slot (or tabs) on holders must be vertical so that the coupon is also vertical.
COUPON
MOUNTING
HARDWARE
SUPPLIED
WITNESS
SLOT
WITNESS
TABS