What do signals on a fire extinguisher indicate?
The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish. On Type A extinguishers, the number relates to how many gallons of water the extinguisher is equal to for a Type A fire. Type B fires are of flammable liquids such as gasoline or oil.
What is the correct way to use a fire extinguisher?
When operating a fire extinguisher, tell residents to remember the word PASS:
- Pull the pin. Hold the extinguisher with the nozzle pointing away from you and release the locking mechanism.
- Aim low. Point the extinguisher at the base of the fire.
- Squeeze the lever slowly and evenly.
- Sweep the nozzle from side-to-side.
Can you Repressurise a fire extinguisher?
Put the reassembled valve assembly out of the way on a clean, dry surface. Tighten the valve stem in place with a wrench to ensure that the pressurizing gas doesn’t leak once the extinguisher is repressurized.
How often do you need to recharge a fire extinguisher?
Recharge: Water (stored pressure) fire extinguishers should be recharged once per year; AFFF and FFFP (liquid charge type) extinguishers should be recharged every 3 years; carbon dioxide, dry chemical (stainless steel), and wet chemical extinguishers require recharging every 5 years; and dry chemical (stored pressure).
How do I get my fire extinguisher recharged?
Fire extinguisher recharging should be performed by a trained professional. Fire protection companies have the tools, training and knowledge to ensure that your fire extinguishers are in peak working condition and that they have been properly refilled with the correct extinguishing agent.
Can a fire extinguisher leak?
Over time, like an old or worn car tire, a fire extinguisher can develop a slow leak that releases the gas. This process can be due to a leaky or damaged valve or valve component such as an O-ring seal or valve stem. Damage to the cylinder itself can also cause slow leaks.