Berki Brandbeveiliging B.V.

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Application extinguishers

A fire extinguisher 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.

Typically, a fire extinguisher consists of a hand-held cylindrical containing an agent which can be discharged to extinguish a fire.
There are two main types of fire extinguishers: Stored pressure and generated pressure.

In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself. Depending on the agent used, different propellants are used. With dry chemical extinguishers, nitrogen is typically used; water and foam are pressurized with air. Stored pressure is the most common type of fire extinguisher. Cartridge-operated extinguishers contain the expellant gas in a separate cartridge that is punctured prior to discharge, exposing the propellant to the agent.

Classification

Each classification is useful in fighting fires with a particular group of fuel.

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