The three sides of the fire triangle are fuel, heat, and oxygen. The hand-held fire extinguisher is simply a pressure vessel from which is expelled a material (or agent) to put out a fire. Dry chemical fire extinguisher clean-up advice. The effective range of fire extinguishing powder depends on the structure and the ejection mechanism and the output pressure.
The fire extinguisher apparatus is a transparent polymer container with a delivery head containing multiple openings. Fire Extinguisher Parts and Components. A Loaded Stream fire extinguisher is effective on Class A fires.

Once energy starts the reaction, it continues so long as fuel and oxygen are present. Note: Lifting the extinguisher by the handle will not activate the extinguisher. It acts by flowing over the liquid fuel oil surface and isolating the fire from the air, also prevents re-ignition due to the foam stability. Typical composition: Monoammonium Phosphate, Sodium Bicarbonate, Potassium Bicarbonate. basically in DCP (dry chemical powder) fire extinguishers mono ammoniumphosphate is used. In the case of an oil-burning fire, the fire quickly becomes so large and out of control that water only serves to lend more oxygen and thus … The agent acts upon the chemistry of the fire by removing one or more of the three elements necessary to maintain fire—commonly referred to as the fire triangle. We also offer Water Mist fire extinguishers. An anti-freeze charge can be added to provide freeze protection to -40F. The 6 foot reach of the extension applicator hose and the squeeze grip valve allows placement of the dry powder exactly where it will be most effective. Carbon Dioxide fire extinguishers extinguish fire by taking away the oxygen element of the fire triangle and also be removing the heat with a very cold discharge. Today’s most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on Class A, B, and C fires. This is an example of single replacement reaction. The first role chemistry plays in a fire extinguisher is when you pull the lever to fire the foam onto a fire you release Carbon Dioxide which then replaces all of the foam within the bottle. The parts and components of a fire extinguisher all play a vital role in the effective discharge of water or a chemical agent to suppress a fire before it can spread out of control leading to property damage and maybe even loss of life.
Fire extinguishers contain different chemicals, depending on the application. We need you to answer this question! Fire emits heat and light because the chemical reaction that produces flames is exothermic. A fire extinguisher's principal purpose is to eliminate the oxygen molecules that drive the burning process. In cases where electrical devices are involved, water raises the danger of electrocution and can damage expensive electronics that are possibly salvageable. Remember, if you feel that you cannot safely extinguish the fire using the portable extinguisher available and if you have not already done so, pull the fire alarm, evacuate the area, and then call the fire department. Carbon …

Use the correct fire extinguisher type to fight the fire.