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.