Troubleshooting Mechanical Seals – Chipping – Part 6

Troubleshooting Mechanical Seals – Chipping – Part 6

Chesterton

mechanical seals, seal face - chipping OD, seal face - chipping ID
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

Chesterton

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

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