Before use, first upside down several times, so that the powder loose in advance, from the fire source 3-4 meters, pull out the insurance pin, one hand holding the nozzle, aimed at the fire source, the other hand, the thumb down Pressure, dry powder immediately ejected.
Dry powder fire extinguishers to combustible, flammable liquid fire, should aim at the fire to the Department of fire, the fire extinguisher, fire extinguisher, fire extinguisher, fire extinguisher, fire extinguisher, If the fire was fighting the liquid burning was flowing, should be aligned near the flame from the roots, to flat-fire, and left and right fire, fast forward until the flame all extinguished.
If the flammable liquid is burned in the container, the user should aim the flames to the left and right of the flames to allow the jet to flow over the entire opening of the container. When the flame is removed from the container, the user should continue to spray until all flames are extinguished In the flammable liquid fire in the fighting container, it should be noted that the nozzle can not be directly directed at the liquid surface to prevent the spray impact of the flammable liquid spill and expand the fire, resulting in fire fighting difficulties.
Attached: fire extinguisher-related knowledge
Q: abc dry powder fire extinguisher abc What does this mean?
A: abc dry powder fire extinguisher means you can destroy a class, b class, c class fire and electric fire, carbon dioxide fire extinguisher can be b class c and electric fire
First, a type of fire: refers to the carbon solid combustible materials, such as wood, cotton, wool, linen, paper and other burning fires;
Second, b class of fire: nails, B, C liquid, such as gasoline, kerosene, methanol, ether, acetone and other burning fires;
C, class c fires: refers to combustible gases such as gas, natural gas, methane, acetylene, hydrogen and other burning fires;
4, d class of fire: refers to combustible metals such as potassium, sodium, magnesium, titanium, zirconium, lithium, aluminum-magnesium alloy burning fire;
5, live fires: refers to live objects burning fire.