WHAT IS A FIRE EXTINGUISHER?

A fire extinguisher, or extinguisher, according to Wikipedia, “is an active fire protection device used to extinguish or control small fires, often in emergency situations. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e., no escape route, smoke, explosion hazard, etc.), or otherwise requires the expertise of a fire department”.

CLASSES OF PORTABLE FIRE EXTINGUISHERS

Class ‘A’: Expels or generates foam, either using compressed gas or cartridge chemically or mechanically. Chemical foam extinguishers are called turn‐over while Mechanical foam extinguishers are called “Air foam type”. Fire extinguishers with a Class ‘A’ rating are effective against fires involving paper, wood, textiles, and plastics. The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials.

Class ‘C’: Expels vapour forming liquids or gases e.g. carbon‐dioxide, B.C.F. etc.

Class ‘D’: Expels dry chemical powder which is achieved by using stored gas pressure or gas cartridge.

REGULATORY FIRE EXTINGUISHERS SPECIFICATIONS FOR COMMERCIAL VEHICLES

 

HOW TO USE FIRE EXTINGUISHER

P       ‐  Pull out the safety pin

A       ‐  Aim nozzle at base of fire

S       ‐  Squeeze the trigger on top of extinguisher

S       ‐  Sweep fire with extinguishing medium at about 6ft

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