Portable fire extinguishers are rated for the size of fire they can put out. For Class A fire extinguishers, this number ranges from 1 to 40, and for Class B, the rating is from 1 to 640. You can find this rating on the label. 2A:10B:C is the label you’ll find …
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 …
What Size Fire Extinguisher Do I Need? – SelectSafety.net
Class B ratings tell us the area in square feet that the fire extinguisher can cover, ranging from 1 to 160. 20B would indicate that the fire extinguisher can douse a fire that has spread up to 20 square feet, while a …
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. 10A:80B:C – 20 pounds.
People Also Ask what size fire can a fire extinguisher put out
What size fire extinguisher do I need to put out a fire?
There are no numeric size ratings for fighting Class C, D, or K fires because these classifications simply indicate that the extinguisher is recommended for fighting electrical fires, flammable metal fires, or kitchen fires, respectively. If you’re faced with putting out these types of fires, rely on the Class A and Class B size ratings.
How to choose a fire extinguisher for an apartment?
According to the NFPA standards, the selection of a fire extinguisher for an apartment depends on The size of the building. The fire hazard level or probability of a fire. Whether the building has automatic sprinklers, standpipe, hose, or other protection amenities.
What do fire extinguisher size ratings mean?
Class A size ratings range from 1 to 40. This tells you the water equivalency. 1 equals 1¼ gallons of water, so in this example, 2A means the extinguisher can put out a fire just as effectively as 2½ gallons of water. Class B size ratings range from 1 to 640. This number estimates the square footage an extinguisher can cover.
What comes out of a fire extinguisher?
The extinguishing agent comes out of the extinguisher to eliminate fires. It is fed out of the extinguisher’s tank via a pickup tube once an expellant (often from a compressed gas canister) is released into the tank. The expellant is released when the safety pin is removed and the discharge lever is squeezed.
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Work Shop Fire Extinguisher – Choosing the CORRECT ONE and Size? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher