Properties of Flammable Materials
- Fire Condition, Flammable Limits, Flash Point and Oxygen Concentration.
- Source of ignition, Auto-ignition Temperature and Minimum Ignition Energy.
- Gas Grouping and Temperature Class
- Explosion and Detonation.
Area Classification
- Zones Classification
- Practical Exercises on “HOW to determine zones”
- WHO Should determine area classification ?
EX Standards & Codes :
- National Electrical Code (NEC 500)
- European Standard (ATEX)
- British Standard (BS 5345)
- International Standard (IEC 60079)
- Cross reference between the previous standards
Explosion/Flame Proof Protected Equipment EXd
- Explosion/Flame Proof Concept of Protection and Major applications
- Flame Path
- Flame Path Obstruction
- EXd Enclosures Sealing
- WHAT TO-DO / WHAT NOT-TO-DO
Increased Safety Protected Equipment EXe
- Exe Concept of Protection and Major applications
- IP Rating
- Checklist for EXe enclosures
- WHAT TO-DO / WHAT NOT-TO-DO
Intrinsic Safety Protected Equipment EXi
- Exi Concept of Protection and Major applications
- Apparatus that could be associated with barriers
- Galvanic Isolators
- Zener Barriers
Purging & Pressurization Protected Equipment EXp
- Exp Concept of Protection and Major applications
- Different four types of EXp
- Checklist for EXp enclosure
Non-sparking Protected Equipment EXn
- Exn Concept of Protection and Major applications
- Different four types of EXn
Quartz Filled (EXq), Oil-Immersed (EXo), Encapsulated (EXm) & Special (EXs)
- Quartz-Filled Protected Equipment EXq & Major Applications
- Oil-Immersed Protected Equipment EXo & Major Applications
- Encapsulated Protected Equipment EXm & Major Applications
- Special Protection EXs
Inspection & Marking
- Gland Selection Chart
- Inspection of EX protected equipment
- Marking & Labeling of EX code
wrapping-up the course
- Practical Exercises on “HOW to read the EX label”
- Summary
- ending
