Engineering and Maintenance
Mechanical Dry Gas Seals and Coupling: Operation and Maintenance
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Mechanical Dry Gas Seals and Coupling: Operation and Maintenance Course
Introduction:
Course Objectives:
At the end of this program participants will:
- 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
- How to properly use rigging equipment
- How to interpret rated capacity charts and calculate sling loading
- Safe rigging practices and procedures
- How to give correct hand signals and responsibilities of signalpersons
Who Should Attend?
This program is directed towards:
- Supervisors
- Team Leaders in Maintenance, Engineering, and Production
- The program will also benefit anyone who wishes to update themselves on Maintenance Engineering Technologies, judge the suitability of these technologies for their needs, and learn how to implement them for the benefit of their organizations.
Course Outlines:
Basic Concepts of Fluid Sealing
- Role of tribology, leak rates, heat transfer, design considerations, materials, application to the mechanical seal
- Lubrication fundamentals
- Basic fluid mechanics, Reynolds equation, lubrication solutions, application to the mechanical seal
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
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
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
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