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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 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 • Halon 1211/1301 • Carbon Dioxide • Dry Chemical • Dry Powder
Water Extinguisher • Pump Tank • Stored Pressure
Aqueous Film Forming Foam • Class A and B • Methods
Halon • Montreal Protocol on Substances that Deplete the Ozone Layer.
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
Halon 1301 • Susceptible to wind. • Agent of choice in most total-flooding systems.
Carbon Dioxide • Handheld and Wheeled • Limited reach • Class B and C fires
Dry Chemical • Most common • Regular and Multipurpose • (Sodium Bicarbonate, Potassium bicarbonate, Urea-potassium bicarbonate, Potassium chloride, Monoammonium phosphate).
Dry Powder • Class D only • Gentle Blanket
Rating System • Ordinary Combustibles • Flammable Liquids • Electrical Equipment • Combustible Metals A B C D
Rating • Numbers • Used on Class A and B extinguishers only. • Ex. 2-A • Will extinguish twice as much fuel as a 1-A.
Pictographs Class A Class B Class C
Selection • Factors to consider • Minimize the risk to life and property but select extinguisher that will extinguish the fire.
Using a Fire Extinguisher • P- Pull the pin. • A- Aim the nozzle. • S- Squeeze the handle. • S- Sweep nozzle from side to side.
Inspection • Location • Nozzle • Shell • Operating Instructions • Lock Pins and Tamper Seal • Gauge • Last Inspection Date
Obsolete Extinguishers • Inverting extinguishers • Copper or brass • Prohibited by OSHA (Jan. 1982)
Any Questions???????? • The End.