Fire Extinguishers Essentials Chapter 6 Gwinnett County Fire Academy.
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Transcript of Fire Extinguishers Essentials Chapter 6 Gwinnett County Fire Academy.
Fire ExtinguishersFire ExtinguishersEssentialsEssentialsChapter 6Chapter 6
Gwinnett County Fire Gwinnett County Fire AcademyAcademy
StandardsStandards
NFPA 10, Standard for Portable Fire NFPA 10, Standard for Portable Fire ExtinguishersExtinguishers
NFPA 1901, Standard for Automotive NFPA 1901, Standard for Automotive Fire ApparatusFire Apparatus
Classification of FireClassification of Fire
Class AClass A Class BClass B Class CClass C Class DClass D Class KClass K
TypesTypes
Water ExtinguisherWater Extinguisher AFFFAFFF Halon 1211/1301Halon 1211/1301 Carbon DioxideCarbon Dioxide Dry ChemicalDry Chemical Dry PowderDry Powder
Water ExtinguisherWater Extinguisher
Pump TankPump Tank Stored PressureStored Pressure
Aqueous Film Forming FoamAqueous Film Forming Foam
Class A and BClass A and B MethodsMethods
HalonHalon
Montreal Protocol on Substances that Montreal Protocol on Substances that Deplete the Ozone Layer.Deplete the Ozone Layer.
Halon 1211Halon 1211
Halogenated Halogenated Hydrocarbons- A Hydrocarbons- A chemical compound chemical compound that contains carbon that contains carbon plus one or more plus one or more chemicals from the chemicals from the halogen series (flourine, halogen series (flourine, chlorine, bromine, or chlorine, bromine, or iodine). iodine).
Haltron 1Haltron 1
Halon 1301Halon 1301
Susceptible to wind.Susceptible to wind. Agent of choice in most total-flooding Agent of choice in most total-flooding
systems.systems.
Carbon DioxideCarbon Dioxide
Handheld and WheeledHandheld and Wheeled Limited reachLimited reach Class B and C firesClass B and C fires
Dry ChemicalDry Chemical
Most commonMost common Regular and Regular and
MultipurposeMultipurpose (Sodium Bicarbonate, (Sodium Bicarbonate,
Potassium Potassium bicarbonate, Urea-bicarbonate, Urea-potassium potassium bicarbonate, bicarbonate, Potassium chloride, Potassium chloride, Monoammonium Monoammonium phosphate). phosphate).
Dry PowderDry Powder
Class D onlyClass D only Gentle BlanketGentle Blanket
Rating SystemRating System
Ordinary CombustiblesOrdinary Combustibles
Flammable LiquidsFlammable Liquids
Electrical EquipmentElectrical Equipment
Combustible MetalsCombustible Metals
A
B
C
D
RatingRating
NumbersNumbers– Used on Class A and B extinguishers Used on Class A and B extinguishers
only.only.– Ex. 2-AEx. 2-A– Will extinguish twice as much fuel as a Will extinguish twice as much fuel as a
1-A.1-A.
PictographsPictographs
Class AClass A Class B Class B Class C Class C
PracticalPractical
SelectionSelection
Factors to considerFactors to consider Minimize the risk to life and property Minimize the risk to life and property
but select extinguisher that will but select extinguisher that will extinguish the fire.extinguish the fire.
Using a Fire ExtinguisherUsing a Fire Extinguisher
P- Pull the pin.P- Pull the pin.A- Aim the nozzle.A- Aim the nozzle.S- Squeeze the handle.S- Squeeze the handle.S- Sweep nozzle from S- Sweep nozzle from side side to side. to side.
InspectionInspection
LocationLocation NozzleNozzle ShellShell Operating InstructionsOperating Instructions Lock Pins and Tamper SealLock Pins and Tamper Seal GaugeGauge Last Inspection DateLast Inspection Date
Obsolete ExtinguishersObsolete Extinguishers
Inverting extinguishersInverting extinguishers Copper or brassCopper or brass Prohibited by OSHA (Jan. 1982)Prohibited by OSHA (Jan. 1982)
Any Questions????????Any Questions????????
The End.The End.