Troubleshooting Mechanical Seals – Chipping – Part 6
Chesterton
SEAL FACE – CHIPPING O.D. | SEAL FACE – CHIPPING I.D. |
SYMPTOMS:
- Chipping on outside/inside diameter
CAUSES:
- Faces opening/flashing
- Operating near vapor point
- Vibration Cavitation
- Equipment operation
- Products hardening and setting-up
- Overpressurization
FAILURE MODES:
- Inadequate environmental controls
- Misapplication – Product harden, set-up, exceed limits (speed, temperature, pressure)
- Equipment operation
- Lack of seal face lubrication
SOLUTIONS:
- Proper environmental controls
- Check equipment operating conditions
- Insure the product is not flashing between the seal faces
- Seal operating within design parameters
This is a 9 part series. Click to view each article: 1 : 2 : 3 : 4 : 5 : 6 : 7 : 8 : 9
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