You asked: Why do fire extinguishers expire?

Over time, factors such as damage, rust and corrosion can cause a fire extinguisher to lose its ability to operate properly. This is why it’s extremely important that your extinguishers be inspected and tested at the proper intervals. Perhaps the most important factor is the hydrostatic test.

How many years is a fire extinguisher good for?

When to Replace a Fire Extinguisher

Manufacturers say most extinguishers should work for 5 to 15 years, but you might not know if you got yours three years ago or 13. So how can you be sure it will fire away? Atlanta fire chief Dennis L. Rubin recommends checking the pressure gauge monthly.

Is a 20 year old fire extinguisher still good?

Although they don’t have a true “expiration date,” traditional fire extinguishers generally have a 10-12 year life expectancy. Disposable fire extinguishers should be replaced every 12 years. Rechargeable fire extinguishers should be taken to an experienced fire equipment company and recharged every 10 years.

What happens when fire extinguishers expire?

However, your fire extinguisher will only work well if it has not reached its date of expiration. Like every other thing you know, a fire extinguisher can expire. Unfortunately, not everyone knows this. When left unused for far too long, the extinguisher tends to lose its ability to extinguish fires.

How do you know if a fire extinguisher is still good?

Most fire extinguishers should have a pressure gauge with a red section and a green section. If the needle is in the green, you’re good. If your extinguishers don’t have a pressure gauge and you want to test them, press in the pin. If it pops back up, the extinguisher is pressurized.

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Can old fire extinguishers be recharged?

Fire extinguishers cannot be repaired in most circumstances. Often people refer to repair when they mean fire extinguisher recharge. If there is no damage to the fire extinguisher you can refill the same canister. Once the extinguisher has been used, you must recharge it.

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