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Explosion Prevention


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This 2-day course provides fundamental information on the different types of chemical and physical explosions most commonly encountered in the chemical and petrochemical industries. Primary emphasis is on the cause, course, and consequence of such explosions. Vapor cloud explosions are covered in some detail, and other explosions (e.g., dust explosions, pressure vessel ruptures, BLEVEs, condensed phase explosions) are also addressed.


No courses scheduled at present. Please contact Customer Service at or 1-800-769-1199 for upcoming course dates, or request onsite training.





Who Should Attend:

  • Plant managers, supervisors, engineers, and consultants working with hazardous processes or designing new or modified facilities
  • Anyone designing new or modified facilities

Benefits of Attending:

  • Gain the knowledge pertinent for the identification of explosion hazards, the implementation of common prevention and mitigation options, and the awareness of when and where to seek additional assistance

Duration: 2 days



Start/End Dates



  • Case studies and definitions
  • Explosion classifications
  • Flammability Properties and Diagrams
    • Flammability diagrams
    • Flammability limits
    • Minimum oxygen for combustion
    • Flash point
    • Vapor pressures
    • Autoignition
  • Deflagrations and Detonations
    • Definitions
    • Deflagration pressures
    • Deflagration to detonation transition
    • Detonations
    • Pressure wave shapes
  • Blast Waves and Their Effects
    • Phenomenology
    • Overpressure definitions
    • Blast effects
    • Estimating effects
  • Vapor Cloud Explosions (VCEs)
    • VCEs vs. flash fires
    • Variables affecting VCE damage potential
    • Fuel reactivity
    • Flame speed and burning velocity
    • Baker-Strehlow method
    • TNO multi-energy method
    • TNT equivalent method
  • Dust Explosions
    • Dust explosion requirements
    • Dust explosion characteristics
    • Factors affecting dust explosions
    • Effect of dust concentration
    • Ignition energy
  • Physical Explosions
    • Types of physical explosions
    • BLEVEs
    • Pressure vessel (P-V) ruptures
    • Fireball radiation effects
  • Reactive Chemicals
    • Types of reactive materials
    • Thermodynamics – heat of reaction
    • Self-reactive materials
    • Water-reactive chemicals
    • Addressing reactive chemical hazards
    • Commonly unstable functional groups
    • NFPA 704 reactivity hazard ratings
    • Typical reactive chemical testing
    • Typical causes of runaway reactions
  • Ignition Sources
    • Controlling line current ignition sources
    • Control of static electricity
  • Static Electricity
    • Charging mechanisms
    • Volume and surface resistivity
    • Electrostatic "red flags"
    • Static control
  • Flame and Detonation Arrestors
    • Purpose
    • Where are arresters required?
    • Types of arrestors
    • Alternatives to arrestors
    • Selection and design considerations
  • Explosion Protection
    • Common chemical industry "occupancies"
    • NFPA 101, Life Safety Code® (1997)
    • Building codes
    • Preventing the explosion quadrangle
    • Explosion protection methods


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This course can be taught at your facility. Find out more.


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