Three Things To Know About Dry Chemical Fire Extinguishers

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Three Things To Know About Dry Chemical Fire Extinguishers

20 April 2023
 Categories: , Blog

Fires can happen unexpectedly, which are a serious threat to safety while creating damage at the same time. That's why you need to know how to respond effectively and quickly when a fire occurs. One way that you can do this is with a dry chemical fire extinguisher. If you've never used this type of fire extinguisher in the past, it will help to know more about them before the time comes to use one. 

How Dry Chemical Fire Extinguishers Work

A dry chemical fire extinguisher is a bit different from other types of fire extinguishers. They use powder chemicals that actually interrupt the chemical reactions that cause a fire to keep going. The powder chemicals leave the fire extinguisher under high pressure, and it forms a cloud that essentially smothers the fire. The chemical reaction of the fire stops, the fire stops spreading, and then the fire dissipates.

When Dry Chemical Fire Extinguishers Are Best 

Be aware that all fires are not best to be put out with a dry chemical fire extinguisher. In fact, some tires can be made worse when using the wrong type of fire extinguisher. There are certain situations where you want to use a dry chemical fire extinguisher as opposed to other methods, such as class B and C fires.

A class B fire involves flammable gasses and liquids, such as natural gas, propane, oil, and gasoline. Class C fires involve electrical equipment, such as circuit breakers, wiring, and appliances. Since the chemical powder in the fire extinguisher does not conduct electricity, it is best to use it on a class C fire because it will not cause accidental electrocution. 

How To Use Dry Chemical Fire Extinguishers 

You'll want to use the PASS method when using a dry chemical fire extinguisher, which stands for pull, aim, squeeze, and sweep. You pull the min out of the fire extinguisher to break the seal. Then you'll aim the nozzle toward the base of the fire, and then squeeze the handle to release the dry chemicals. You'll sweep from side to side in order to cover the base of the fire and put it out. 

You also need to keep your distance when using a dry chemical fire extinguisher. Do not get right next to the fire, since you want to stand several feet back. This will help those dry chemicals smother the fire at the base. If the fire seems to be spreading too quickly and you can't seem to put it out, you'll also want to use that room to safely evacuate the area.