Is a 3a fire extinguisher better than 2a

The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water. The Class B size rating indicates the square footage the extinguisher can cover. 20B means that as long as you …

Fire Extinguisher Sizes. The size of a fire extinguisher indicates the amount of extinguishing agent it holds and is most often measured in pounds. Sizes can range from as small as 2.5 lb. to as large as 350 lb. While the largest extinguishers will come with built-in wheels to make transportation manageable, size is always important to consider.

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5. Foam Fire Extinguisher: The foam in this extinguisher works best on class A and B fires, but it’s not suitable for gaseous fires. The foam blankets the fire, which prevents vapors from rising and cools the surface. 6. Clean Agent Fire Extinguisher: This fire extinguisher is best suited for Class B and C fires.

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Fire Extinguisher Weights. When shopping for fire extinguishers, bigger is usually better. However, if you purchase a 50-pound canister, your employees may find it difficult to operate in an emergency. Here are some common fire extinguisher sizes and their corresponding weights: 2A:10B:C – 4 pounds; 3A:40B:C – 5 pounds; 4A:60B:C – 10 pounds

What is the difference between 1A and 2A fire extinguishers?

A higher number means the extinguisher can battle a bigger blaze. A fire extinguisher with a 1A rating is equivalent to 1.25 gallons of water. A 2A rating equals 2.5 gallons of water and a 4A rating equals 5 gallons of water. B-rated fire extinguishers are numbered in 10s.

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What does 4A mean on a fire extinguisher?

One A is equivalent to 1.25 gallons of water, so a unit with a 4A rating has an equivalent of 5 gallons of water to battle Class A fires. B: The number in front of the "B" is a relative measure of the area an extinguisher can cover.

Why choose a different fire extinguisher for each application?

Fire extinguishers are uniquely designed to meet the needs of a variety of applications, so it’s important to choose the one that’s right for you. For example, a different extinguisher may be needed for a commercial kitchen as opposed to a clean room or library.

What is the best type of fire extinguisher for You?

Foam Fire Extinguisher: The foam in this extinguisher works best on class A and B fires, but it’s not suitable for gaseous fires. The foam blankets the fire, which prevents vapors from rising and cools the surface. 6. Clean Agent Fire Extinguisher: This fire extinguisher is best suited for Class B and C fires.

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