The clear water fire extinguisher uses clear water as the main fire extinguishing agent, plus an appropriate amount of antifreeze, wetting agent, and flame retardant. It is mainly used to make up for solid material fires, such as the initial fires of wood, cotton, textiles, etc.
The water fire extinguisher is unsuitable for all other fire types. And, in fact, it can be very dangerous to use them inappropriately. On fires started on flammable gas and liquids, water would be ineffective, and has the potential to disperse the fuels to other areas, creating greater damage and possibly creating hazardous chemical reactions.
Water Fire Extinguishers
Water Pressure Fire Extinguishers (Amerex 240) utilizes the cooling, soaking and penetrating effect of a 45-55 ft. stream of WATER. The 55 sec. discharge time makes it very effective for inexperienced operators for use on Class A fires. Class A: Wood, Paper, cloth, trash, plastics (solids that are not metals)
Water as an fire extinguishing agent. Hydraulic calculations for fire protection engineers. Knowledge and understanding of the physical characteristics of water are essential to becoming a fire protection specialist as it is the single most important aspect of fire protection. The reason water is such an effective extinguishing agent is because of its low cost, effectiveness and …
People Also Ask what kind of water is in a water fire extinguisher
Why is water used as a fire extinguisher?
The physical properties of water mean that it is an effective combatant of all three sides of the fire triangle. These sides are the independent entities of oxygen, heat and fuel. Water is economical, cheaper than non-water based fire suppression agents and much more readily available.
What class of fire extinguisher do you use for liquid spills?
AFFF Foam Fire Extinguishers (Amerex 254 and 250) are rated for class A and class B fires. Easy and effective application with air aspirated nozzle. Apply to Class B liquid spills to prevent ignition. Ideal for emergency first response vehicles.
What is a wet water mist extinguisher used for?
WATER MIST is the ultimate extinguisher for Class A fires and where a potential Class C (electrical) hazard exists. The fine spray from the unique misting nozzle provides safety from electrical shock, greatly enhances the cooling and soaking…
Why is water such an effective fire suppression agent?
The physical properties of water mean that it is an effective combatant of all three sides of the fire triangle. These sides are the independent entities of oxygen, heat and fuel. Water is economical, cheaper than non-water based fire suppression agents and much more readily available. It also has very predictable properties. For example:
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Fire Safety Training – How to Use a WATER Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher