GUIDANCE ON THE SIX TYPES OF FIRE EXTINGUISHER


D RY POWDER – BLUE For fires involving • Liquid • Electricity • Wo o d • Paper • Te x t i l e s • Plastics • Coal Not to be used on fire s i n v o l v i n g • Metal • Fat T h e re are two types of dry powder extinguisher – Standard or MultiPurpose. How it works • The powder knocks down the flames. These are safe to use on most kinds of fire . • Multi-purpose powders are more effective, especially on burning solids w h e re the powder melts to form a layer or skin that smothers the fire . • S t a n d a rd powders work well only on burning liquids. D a n g e r s • The powder does not cool the fire well • Fires which seem out can re - i g n i t e • The powder doesn’t penetrate small spaces, like inside burning equipment • The jet could spread burning fat or oil aro u n d How to use Aim the jet at the base of the flames and briskly sweep it from side to side.
  • 1 FIRE EXTINGUISHER
    FIRE EXTINGUISHER

D RY POWDER – BLUE For fires involving • Liquid • Electricity • Wo o d • Paper • Te x t i l e s • Plastics • Coal Not to be used on fire s i n v o l v i n g • Metal • Fat T h e re are two types of dry powder extinguisher – Standard or MultiPurpose. How it works • The powder knocks down the flames. These are safe to use on most kinds of fire . • Multi-purpose powders are more effective, especially on burning solids w h e re the powder melts to form a layer or skin that smothers the fire . • S t a n d a rd powders work well only on burning liquids. D a n g e r s • The powder does not cool the fire well • Fires which seem out can re - i g n i t e • The powder doesn’t penetrate small spaces, like inside burning equipment • The jet could spread burning fat or oil aro u n d How to use Aim the jet at the base of the flames and briskly sweep it from side to side.
E n v i ronmental harm Because of the risk of environmental harm halon extinguishers have been banned in the EU and should have been de-commissioned and disposed of safely by the end of 2003. Halon can only be used in the following “Critical Circumstances”. • In hand held fire extinguishers and fixed fire extinguisher equipment for engines for use on board aircraft • In aircraft for the protection of crew compartments, engine nacelles, c a rgo bays and dry bays • In fire extinguishers essential to personal safety used for initial extinguishing by fire brigades • In military and police fire extinguishers for use on persons • In military land vehicles and naval vessels for the protection of spaces occupied by personnel and engine compart m e n t s • For the making inert of occupied spaces where flammable liquid and/or gas release could occur in the military and oil, gas and p e t rochemical sector and in existing cargo ships • For the making inert of existing manned communication and command centres of the armed forces or others, essential for national security • For the making inert of spaces where there may be a risk of dispersion of radioactive matter • In the Channel Tunnel and associated installations and rolling stock


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