Unit Outlines
Introduction To Mechanical Piping Fabrication
AI Generated
Intermediate
40 hours
9 topics
Learning Objectives
5 objectives- Understand the fundamental concepts and components of piping systems.
- Develop skills to read and interpret piping drawings, symbols, and abbreviations.
- Identify materials used in piping fabrication and their properties.
- Apply various piping fabrication techniques to assemble piping systems.
- Recognize safety practices and comply with relevant codes and standards in piping fabrication.
Content Outline
PreviewUnit 3544: Mechanical Piping Fabrication Fundamentals
1. Overview of Piping Systems
- Introduction to Piping Systems
- Definition and purpose
- Applications in industry
- Components of Piping Systems
- Pipes
- Fittings
- Valves
- Flanges
- Types of Pipes
- Metallic pipes: steel, stainless steel, copper
- Non-metallic pipes: PVC, CPVC
- Common Fittings and Valves
- Elbows, tees, reducers, couplings
- Gate, globe, ball, check valves
2. Reading Piping Drawings and Symbols
- Introduction to Piping Drawings
- Types of drawings: isometric, orthographic, schematic
- Common Piping Symbols and Abbreviations
- Pipe lines and sizes
- Valves and fittings symbols
- Instrumentation symbols
- Interpreting Layouts and Specifications
- Flow directions
- Material call-outs
- Welding and fabrication notes
3. Materials Used in Piping Fabrication
- Metallic Materials
- Carbon steel: properties and uses
- Stainless steel: corrosion resistance and applications
- Copper: thermal conductivity and plumbing uses
- Non-metallic Materials
- PVC and CPVC: chemical resistance and applications
- Material Selection Criteria
- Pressure ratings
- Temperature considerations
- Corrosion resistance
4. Piping Fabrication Techniques
- Cutting Methods
- Sawing, torch cutting, mechanical cutting
- Threading
- Types of threads
- Threading tools and procedures
- Bending
- Cold bending
- Hot bending
- Use of pipe benders and rollers
- Joining Techniques
- Welding: types (MIG, TIG, Arc welding)
- Soldering and Brazing
- Use of flanges and couplings
5. Pipe Support and Hanger Systems
- Importance of Supports and Hangers
- Maintaining alignment and stability
- Reducing stress and vibration
- Types of Supports
- Rigid supports
- Spring hangers
- Roller supports
- Installation Methods
- Positioning and spacing
- Load considerations
6. Pipe Testing and Inspection
- Testing Procedures
- Hydrostatic pressure testing
- Pneumatic testing
- Leak Detection Techniques
- Visual inspection
- Use of detectors and dye penetrants
- Inspection Standards
- Documentation and reporting
- Acceptance criteria
7. Safety Practices in Piping Fabrication
- Identifying Potential Hazards
- Mechanical hazards
- Chemical hazards
- Thermal hazards
- Personal Protective Equipment (PPE)
- Types and proper use
- Safety Protocols
- Lockout/tagout procedures
- Safe welding and cutting practices
- Emergency response
8. Introduction to Codes and Standards
- Overview of Relevant Codes
- ASME B31.3: Process Piping
- ASTM standards for materials
- Local building and safety codes
- Importance of Compliance
- Quality assurance
- Legal and safety implications
9. Piping System Maintenance
- Preventive Maintenance Practices
- Regular inspection schedules
- Cleaning and corrosion control
- Troubleshooting Common Issues
- Leak detection
- Wear and fatigue
- Extending System Lifespan
- Proper operation
- Timely repairs and replacements
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