Mechanical Seals: Designs, Application, Installation, Troubleshooting & Maintenance

Mechanical Seals: Designs, Application, Installation, Troubleshooting & Maintenance

OBJECTIVES

• Have an understanding of the different types of seals
• Have learnt about selection, operation and maintenance strategies
• Be able to troubleshoot seal problems
• Understand how seals are fitted
• Understand how seals are tested
• Have an understanding of API flush plans

WHO SHOULD ATTEND?

• Supervisors
• Team Leaders in Maintenance, Engineering and Production

COURSE OUTLINE

DAY 1

Basic Concepts of Fluid Sealing

• Role of tribology, leak rates, heat transfer, design considerations, materials, application to mechanical seal
• Lubrication fundamentals
• Basic fluid mechanics, Reynolds equation, lubrication solutions, application to mechanical seal

DAY 2

Mechanical Seal Design

• Theoretical aspects and design
• Factors affecting design
• Materials of construction
• Mechanical seal selection
• Data requirements for seal selection
• Seal type selection
• Selection of the primary seal
• Selection of the seal arrangement

DAY 3

Mechanical seals configurations

• Mechanical seal applications
• Seals Classification
• Wet mechanical seal
• Dry mechanical seal
• Balanced and unbalanced mechanical seals
• Mechanical seals pump considerations
• Mechanical seals compressor considerations
• Mechanical seals troubleshooting

DAY 4

Failure diagnosis

• External symptoms of seal failure
• Visual seal examination
• Common seal failure modes-seal faces
• Common seal failure modes-secondary seals
• Common seal failure modes-seal hardware
• Seal installation tolerances
• Vibration effect on a mechanical seal
• High temperature effect
• Running speed effect
• Rotor balance effect

Mechanical seal operation

• Operating limits
• Operating conditions

DAY 5

Mechanical seal performance

• Acceptable performance
• Mechanical seal related standards
• Pre-installation machine checks
• Mechanical seal installation
• Mechanical seal maintenance
• Seal handling and inspection

Testing and verification of mechanical seals

• Degree of testing
• Type of test