Overpressure
Common Failure: Overpressure
How do I know that my gauge is experiencing overpressure?
- A pointer is pegged against the stop pin
- The gauge is operating near or past maximum pressure
What causes overpressure in my gauge?
A gauge with the incorrect pressure range for the application which is incapable of accurately reflecting the system pressure.
Possible Risks
- The Bourdon tube will rupture causing complete gauge failure
- System media will release into the environment resulting in potential injury and lost system media
Solution
Select a gauge rated to 2X the normal system operating pressure to provide a larger window of measurable pressure. In extreme cases, use a diaphragm seal solution with a super restrictor (0.3 mm) for a more robust solution.
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