Since the gas disperses quickly, this type of fire extinguisher is only effective from 3 to 8 feet. There is not one set pressure for all fire extinguishers, they vary by class. The ones they use in firehouses are 690 kPa but the pressure in carbon dioxide extinguishers can go up to 5861 kPa.
If an extinguisher weighs less than 40 lbs, the carrying handle should be no more than 5 ft from the ground. Any heavier than 40 lbs and the handle should be no more than 3.5 ft from the floor. These heights reflect the requirement that employees should be able to access a fire extinguisher without risking an injury.
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Fire extinguisher PSI ranges from 100 PSI up to 850 PSI depending on the contents and size of the extinguisher. Fire extinguishers of certain types tend to have PSI’s that fall within a certain range.
Depends on the extinguisher. The numbers on the extinguisher will tell you how much fire a TRAINED person can expect to put out with that extinguisher. The Class “A” water extinguisher is rated in number of 1–1/4 gallon units of water the extinguisher holds. A “2A” water extinguisher will hold 2–1/2 gallons of water.
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What is the pressure of a fire extinguisher?
There is not one set pressure for all fire extinguishers, they vary by class. The ones they use in firehouses are 690 kPa but the pressure in carbon dioxide extinguishers can go up to 5861 kPa.
Can a fire extinguisher explode?
Fire extinguishers of all sizes share a common trait, that they are under considerable stored pressure. Damaged fire extinguishers can become explosion risks at any moment. Manufacturers set maximum limits on what fire extinguishers can handle that exceed what normal use brings.
How many fire extinguishers do I need per square foot?
How many fire extinguishers do I need per square foot? The NFPA recommends, for Class A fire risks, one 2-A extinguisher for every 3,000 square feet.
How far does a gas fire extinguisher work?
Since the gas disperses quickly, this type of fire extinguisher is only effective from 3 to 8 feet. There is not one set pressure for all fire extinguishers, they vary by class.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher