Fire extinguishers implement various methods to push the extinguishing solution out of the extinguisher towards the fire.
In addition, they use different types of extinguishing solution that are utilized to extinguish different fire classes.
To help make the identification of fire extinguisher types easier, they're colour coded according to the kind of agent they use and as a result the categories of fires they will be used to stop.
To make sure you utilize the appropriate fire extinguishers for the job and also to ensure that you service them correctly you must know a little about the various sorts to choose from.
Kinds of Fire Extinguisher Unit
There's two primary varieties of fire extinguisher, stored pressure and capsule operated.
In stored pressure appliances, the expellant is kept in exactly the same chamber as the extinguishing agent. Stored pressure fire extinguishers are often the most typical fire extinguisher type.
Different propellants are being used depending upon the extinguishing agent. In dry chemical type extinguishers nitrogen is sometimes used. Standard water and foam extinguishers commonly make use of air.
When it comes to cartridge operated extinguishers the expellant gas is held in a different cartridge.
Cartridge powered extinguishers aren't as common as the stored pressure type. They're used in regions including industrial facilities, where they get more frequent use.
They also have the main advantage of fast and easy recharging. This enables an operator to use the extinguisher, charge it and come back to the fire with hardly any delay.
Forms of Fire Extinguisher Agent
Powder - powder based units put out fires by separating the various components in the fire triangle. This method prevents the chemical reaction between heat, fuel and oxygen, thus extinguishing the fire.
Foam - foam based agents are widely used to put out fuel fires by creating a foamy sheet on the fuel, keeping oxygen reaching it. Dissimilar to powder, foam enables you to extinguish fires without chance of flashback.
Water - air pressurised water based extinguishers cool burning material by absorbing heat from it. Water has got the advantage of remaining inexpensive, harmless, and moderately straightforward to clean up.
Fire Extinguisher Mobility
Besides the various fire extinguisher models referred to above, they're additionally separated into hand held and rolling extinguishers.
The handheld products are generally more established. However, the wheeled models are commonly found at construction sites and airport runways in addition to marinas and docks.
Basically there's a large number of different fire extinguisher styles and plenty to think about in choosing and taking care of them.
For more information, please check out: Fire Extinguisher Types
Essentially, there are four basic types of fire extinguishers that can be purchased and each of them is designed to put out specific types of fires. If you have an older fire extinguisher, it is probably labeled with colored geometrical shapes containing letters.
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