MechanicalSeals.info-Mechanical seals information

from Chesterton
Posted 2-23-04

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