Pressurized Water Fire Extinguishers User Guidelines

Use for course A Fires

What type of fires have the right to be extinguished with pressurized water extinguishers?

Class A fires just which indicate "ordinary combustibles" - wood, paper, family rubbish, cloth, rubber, and many plastics.

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What is the proper means to usage a class A, 2-1/2 lb water extinguisher?

There space four straightforward operating steps. Think of the word "PASS" come remember the steps.

Pull the pin. Stop the extinguisher through the nozzle pointing away from you, pull the end the pin located below the trigger. Note: Lifting the extinguisher through the take care of will no activate the extinguisher.Aim low. Was standing at a safe distance from the fire (the water stream will certainly reach at the very least 30 feet). Point the extinguisher nozzle in ~ the former edge in ~ the basic of the fire (the lowest suggest of the fire nearest you). Remember - extinguishers space designed to be activate in an upright position. Always hold the extinguisher vertically. Never ever cradle it horizontally or at an angle in her arms. If it is too heavy to hold properly, location on floor next to you and operate.Squeeze the trigger. To express slowly and evenly. This action will relax the water and expel it with the discharge nozzle. Frequently, it is an ext effective to create a water spray by placing your finger end the end of the nozzle (as girlfriend would with a garden hose).Sweep from next to side. As the pressurized water is expelled, sweep the nozzle from side to side at the basic of the fire. Together the fire closest to you goes out, you might move closer to the fire and also continue the sweeping motion until the fire is extinguished. Remember, organize the extinguisher upright. If the fire does no diminish immediately, obtain out that the building.

Once activated, deserve to a pressurized water extinguisher be turned off?

Yes, avoid squeezing the trigger and also the currently of water will be turned off. In truth it may be ideal to perform this when repositioning yourself in relation to the fire once necessary.

How far will the water present reach?

The horizontal range of the pressurized water stream will certainly reach a distance from 30 to 40 feet.

How long will it require to use up the 2-1/2 gallons that water in an extinguisher?

The almost right time to discharge the 2-1/2 gallons that water is one minute.

How does the water put out a fire?

Water effectively puts out a fire through cooling the fuel (burning combustibles) come a allude below the temperature in ~ which the fire can proceed to burn or reignite.

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What are the advantages and disadvantages of pressurized water fire extinguishers?

It is dangerous to use water for fires involving flammable liquids and also energized electric equipment as the applications of water diffusion the fire and also serves as a conductor that electricity. The use of the extinguishers must be limited to extinguishing simple combustibles.


The Office of ecological Health and Safety
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