There are different types of extinguishers, which no doubt has an effect on whether a fire extinguisher will freeze or not. Water-based and foam-based extinguishers are usually the ones that have the largest chance of freezing and they need to be kept in conditions that have temperatures greater than 40-degrees Fahrenheit.
A fire extinguisher canister made with water mist and pressurized water—as well as AFFF foam, FFFP foam and class K extinguishers—will freeze when left out in temperatures below 40 degrees Fahrenheit.
Can a Fire Extinguisher Freeze? – SelectSafety.net
Types of Fire Extinguishers That Can Freeze. Class A (water), Class K, AFFF foam, and FFFP foam fire extinguishers can freeze when left in temperatures below 40 degrees fahrenheit. Any fire extinguisher that has water as a main fire suppressant is susceptible to freezing. However, even dry powder fire extinguishers can ‘gum up’ due to the increased …
Fire extinguisher does freeze, but not all of them. However, it depends mainly on the content of the said fire extinguisher. Many individuals, who store theirs in uninsulated areas such as their basement, garage, shed or even outdoors might be wondering if their fire extinguishers can become damaged or unable to release their content when hit by freezing temperature.
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Which fire extinguishers do not freeze?
Other fire extinguishers that do not freeze are the pressurized water with built-in anti-freezers which prevents the constituents in the canister from solidifying. Also, products like the CO2, halon, Halotron, Class D, and a host of other extinguishers containing dry chemicals don’t freeze.
What type of extinguisher do I need for a Class K fire?
The Wet Chemicals extinguisher is the type you can count on for all Class K fire such as greases, cooking oils, vegetable fat, and even animal fat. But wait a minute; do you think this extinguisher is for the Class K fire alone?
Do fire extinguishers work in cold weather?
If you need fire extinguishers to be more resistant to freezing temperatures, talk to your local fire safety equipment provider about ABC extinguishers that use dry chemicals. Most of these are made to put out electrical fires and class A fires, such as those involving paper, wood and textiles.
What is the temperature of a fire extinguisher?
It depends on a few factors, like the type of fire extinguisher, but a typical ABC fire extinguisher can operate in temperatures ranging from -65 to 120 degrees. Whether you work outdoors or in uninsulated spaces, make sure your fire extinguishers are stored properly so they work as they should when you need them to.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher