Common Failure: Corrosion
How do I know that my gauge is experiencing corrosion?
- Pointer is corroded
- Discolored liquid case fill
- Build-up in case
What causes corrosion in my gauge?
Failure due to corrosion can be caused by several things. When looking at your system, consider the following:
- Are contaminants getting inside of the case?
- Is the fill plug missing?
- Is the case or window cracked?
- Contaminants cause corrosion of the Bourdon tube
- Contaminant inside the gauge window result in inability to read the gauge or for the gauge to show an inaccurate reading
- System media will release into the environment resulting I potential injury and lost system media
Select a gauge with liquid case fill or with a hermetical seal to keep contaminants out. Use a diaphragm seal solution in a non-316 alloy for increased corrosion resistance.
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