Troubleshooting mechanical seals - even/
uneven wear track
(part 4)
from Chesterton
Posted 10-26-03
| EVEN WEAR TRACK |
UNEVEN WEAR TRACK |
SYMPTOMS:
CAUSES:
Even
wear on a seal face usually indicates -
- Good contact between the mating seal rings
Uneven wear on a seal face indicates -
- Distortion of the seal ring due to over tightening, clamping,
or excessive pressure
- Distortion due to insufficient gland support
- Misaligned seal rings in a split seal
- Improperly stress relieved component
FAILURE MODES:
- Misinstallation
- Quality/design related issue
SOLUTIONS:
- Review installation techniques/instructions
- Check/reduce torque and evenly tighten gland bolts
- Review operating conditions
- Reduce torque and evenly tighten gland bolts
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