Troubleshooting Mechanical Seals – Blistering – Part 9

from Chesterton
Posted 3/29/2004

333-1

 

 

 

 

SEAL FACE BLISTER –              SEAL FACE BLISTER –
CARBON                                     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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