Troubleshooting Mechanical Seals – Centered/ Miscentered – Part 3

Troubleshooting Mechanical Seals – Centered/ Miscentered – Part 3

Chesterton

mechanical seals, stationary (seal type) centered, rotary (seal type) miscentered
STATIONARY (TYPE SEAL) – CENTEREDROTARY (TYPE SEAL) – MISCENTERED
SYMPTOMS:
  • Centered or miscentered
CAUSES:
  • Centered seal face wear track indicates Properly centered seal and good equipment operation
  • Miscentered seal face wear track indicates miscentered seal (rotary type) during installation
  • Equipment condition – Radial runout Equipment operation – Off curve, vibration
FAILURE MODES:
  • Misinstallation Equipment conditions
SOLUTIONS:
  • Check bearings for radial runout exceeding limit of seal type
  • Review installation techniques/instructions
  • Check equipment for shaft – Seal chamber concentricity

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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