Troubleshooting Mechanical Seals - Blistering
(part 9)
from Chesterton
Posted 3-29-04
SEAL FACE BLISTER - CARBON SEAL FACE BLISTER - SILICON CARBIDE
SYMPTOMS:
Blistering of the seal face
CAUSES:
Using carbon seal faces in oil (all types)
Exceeding the limits of the material
Flashing
FAILURE MODES:
Seal face incompatibility
Exceeded limits (speed, temperature, pressure)
Misapplication
SOLUTIONS:
Use SC/TC face combination in oils
Operate within seal limits
Insure seal face lubrication
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