Troubleshooting Mechanical Seals – Scoring – Part 5

Chesterton

SEAL FACE SCORING

SEAL FACE EROSION

SYMPTOMS:

Scoring or erosion

CAUSES:

Rebuilding seal in dirty environmentFaces opening/flashing/vibration/distortion of the seal face due to temperature and pressure

Minerals found in the fluid film between the seal faces

FAILURE MODES:

Abrasive particles between the seal facesLack of seal face lubrication

SOLUTIONS:

Maintain seal face flatnessEliminate dry running, flashing and vibrationUse clean flush source with bushingUse suction recirculation controlUse harder seal face materials

Chesterton

This is a 9 part series. Click to view each article: 1 : 2 : 3 : 4 : 5 : 6 : 7 : 8 : 9

Causes of Overheating in Cartridge Mechanical Seals

Causes of Overheating in Cartridge Mechanical Seals The Mcnally Institute Too much heat can cause multiple problems with cartridge mechanical...

How Can I Extend the Performance Range of Standard Cartridge Mechanical Seals?

How Can I Extend the Performance Range of Standard Cartridge Mechanical Seals? Fluid Sealing Association Pumps & Systems, January 2009...

The Process of Troubleshooting Mechanical Seals - Part 1

The Process of Troubleshooting Mechanical Seals - Part 1 Chesterton The 9 articles in this series will outline common issues...

Troubleshooting Mechanical Seals - Wide Wear Track - Part 2

Troubleshooting Mechanical Seals - Wide Wear Track - Part 2 Chesterton ROTARY SEAL FACE - WIDE TRACKSTATIONARY SEAL FACE -...

Troubleshooting Mechanical Seals - Centered/ Miscentered - Part 3

Troubleshooting Mechanical Seals - Centered/ Miscentered - Part 3 Chesterton STATIONARY (TYPE SEAL) - CENTEREDROTARY (TYPE SEAL) - MISCENTERED SYMPTOMS:...