Top 9 causes of leakage when newly installed mechanical seals operating

Most of the leakages of newly installed mechanical seals comes from the improper installation.

  • The designed face pressure rate is not accurate to meet the requirements.

  • The inaccuracy of the amount of spring compression

  • The seal surface roughness does not meet the standard

  • The seal face flatness does not meet the standard.

  • The seal rings distort due to the pressure and temperature. It damages the flatness of the mechanical seal faces

  • The Seizure of rotary and rotary holder.

  • Rotary and seat is not concentric.

  • The Load factor of balanced mechanical seals is not accurate (always too small)

  • The OD and ID of the metal bellow are inaccurate.

Author: admin

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