Troubleshooting Mechanical Seals – Wide Wear Track – Part 2
Chesterton
| ROTARY SEAL FACE – WIDE TRACK | STATIONARY SEAL FACE – NARROW |
SYMPTOMS:
- Wear track wider than narrow seal face
CAUSES:
- Miscentering of stationary type seal
- Radial shaft runout (bearing problem)
- Shaft deflection/wobble during operation
FAILURE MODES:
- Misinstallation Equipment conditions
- Equipment design
SOLUTIONS:
- Check bearings for radial runout exceeding limit of seal type
- Review installation techniques/instructions
- Calculate L/D ratio for equipment – Upgrade if necessary
This is a 9 part series. Click to view each article: 1 : 2 : 3 : 4 : 5 : 6 : 7 : 8 : 9
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