Troubleshooting Mechanical Seals | Heat Checking or Cracking | Part 8

Chesterton

Heat Checking or Cracking

SEAL FACE – HEAT CRACKING

SEAL FACE – HEAT CHECKING

SYMPTOMS:

Heat checking or cracking

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

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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The Process of Troubleshooting Mechanical Seals - Part 1

The 9 articles in this series will outline common issues with mechanical seals, how to notice them, and troubleshooting tips. The series addresses: wide wear track, centered/miscentered, even/uneven wear track, scoring, chipping, coking, heat cracking or checking, and blistering.

Troubleshooting Mechanical Seals | Heat Checking or Cracking | Part 8