Troubleshooting Mechanical Seals – Even/ Uneven Wear Track – Part 4

Troubleshooting Mechanical Seals – Even/ Uneven Wear Track – Part 4

from Chesterton

316-1

EVEN WEAR TRACKUNEVEN WEAR TRACK 

SYMPTOMS:

  • Even/uneven wear track

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
 

This is a 9 part series. Click to view each article: 1 : 2 : 3 : 4 : 5 : 6 : 7 : 8 : 9 
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