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

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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