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Fire Extinguishers

Fire Extinguishers. Essentials Chapter 6 Gwinnett County Fire Academy. Standards. NFPA 10, Standard for Portable Fire Extinguishers NFPA 1901, Standard for Automotive Fire Apparatus. Classification of Fire. Class A Class B Class C Class D Class K. Types. Water Extinguisher AFFF

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Fire Extinguishers

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  1. Fire Extinguishers Essentials Chapter 6 Gwinnett County Fire Academy

  2. Standards • NFPA 10, Standard for Portable Fire Extinguishers • NFPA 1901, Standard for Automotive Fire Apparatus

  3. Classification of Fire • Class A • Class B • Class C • Class D • Class K

  4. Types • Water Extinguisher • AFFF • Halon 1211/1301 • Carbon Dioxide • Dry Chemical • Dry Powder

  5. Water Extinguisher • Pump Tank • Stored Pressure

  6. Aqueous Film Forming Foam • Class A and B • Methods

  7. Halon • Montreal Protocol on Substances that Deplete the Ozone Layer.

  8. Halon 1211 • Halogenated Hydrocarbons- A chemical compound that contains carbon plus one or more chemicals from the halogen series (flourine, chlorine, bromine, or iodine). • Haltron 1

  9. Halon 1301 • Susceptible to wind. • Agent of choice in most total-flooding systems.

  10. Carbon Dioxide • Handheld and Wheeled • Limited reach • Class B and C fires

  11. Dry Chemical • Most common • Regular and Multipurpose • (Sodium Bicarbonate, Potassium bicarbonate, Urea-potassium bicarbonate, Potassium chloride, Monoammonium phosphate).

  12. Dry Powder • Class D only • Gentle Blanket

  13. Rating System • Ordinary Combustibles • Flammable Liquids • Electrical Equipment • Combustible Metals A B C D

  14. Rating • Numbers • Used on Class A and B extinguishers only. • Ex. 2-A • Will extinguish twice as much fuel as a 1-A.

  15. Pictographs Class A Class B Class C

  16. Practical

  17. Selection • Factors to consider • Minimize the risk to life and property but select extinguisher that will extinguish the fire.

  18. Using a Fire Extinguisher • P- Pull the pin. • A- Aim the nozzle. • S- Squeeze the handle. • S- Sweep nozzle from side to side.

  19. Inspection • Location • Nozzle • Shell • Operating Instructions • Lock Pins and Tamper Seal • Gauge • Last Inspection Date

  20. Obsolete Extinguishers • Inverting extinguishers • Copper or brass • Prohibited by OSHA (Jan. 1982)

  21. Any Questions???????? • The End.

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