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Mechanical Seals Troubleshooting-Heat Cracking or Checking (part 8) PDF Print E-mail
Written by Administrator   
Saturday, 20 September 2008 07:10

from Chesterton
Posted 3-22-04


SEAL FACE - HEAT CHECKING          SEAL FACE - HEAT CHECKING

SYMPTOMS:

  • Heat cracking or checking

CAUSES:

  • Exceeded PV limits of seal face materials
  • Dry running
  • Excessive heat from product

FAILURE MODES:

  • Lack of seal face lubrication
  • Exceeded limits (speed, temperature, pressure)
  • Inadequate environmental controls

SOLUTIONS:

  • Operate within seal limits
  • Eliminate dry running conditions
  • Proper use of environmental controls

 
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