What kind of fire extinguisher? How to distinguish fire extinguishers? Characteristics and uses of fire extinguishers?
- There are two common types of fire extinguishers on the market, including CO2 fire extinguishers and powder fire extinguishers (BC and ABC fire extinguishers).
- The quick way to distinguish two types of fire extinguisher is to rely on the characteristics of the pot. Fire extinguishers have pressure gauges, and CO2 fire extinguishers do not have pressure gauges.
Can be based on the parameters listed on fire extinguishers to distinguish fast, the powder will have the symbol MFZ, MFZL or BC, ABC, and CO2 fire extinguishers will have the symbol MT or CO2
- Characteristics and uses and the use of fire extinguishers:
Fire Extinguisher Powder:
A. Features fire extinguisher powder:
a) Structure:
b) Uses:
Fire extinguisher powder BC 8kg, 1kg, 2kg ... is an internal fire extinguisher containing N2 gas as thrust to spray powder extinguish the fire. Depending on the type of fire extinguisher, it is possible to extinguish the fires of solids, liquids, combustible gases, electric fires and newly arising electrical equipment. Non toxic, non-conductive, highly effective fire extinguish powder; The use of simple, easy to inspect, used to fight small fires, new arise.
The letters A, B, C on the flask indicate the fire extinguishing capacity of the fire extinguisher for various fires. Specifically:
+ A: Cure fires such as solid wood, cotton, fabric, fiber ...
+ B: Cure fires such as petrol, alcohol, alcohol ...
+ C: Cure gas fires such as: gas (liquefied gas), ...
Numbers 2, 4, 8 show the weight of powder loaded in the pot, in kilograms.
For example: Fire Extinguishers marked MFZL2, on the ABC label are fire extinguishers that can be used to fight most fires of solids, liquids, flammable gases.
c) How to use:
* For portable: When a fire occurs, carry it to the nearest fire place. Shake the jar 3-4 times to powder, pull the lead clamp lock, select the wind direction of the speaker to spray fire. Keep the tank at a distance of 1.5 m depending on the type of bottle, squeeze the valve to fire powder sprayed, when the weak air approach and bring the speaker back to extinguish the fire completely.
B. Features CO2 extinguisher:
a) Structure:
b) Uses:
- A 3kg, 5kg fire extinguisher is a portable, portable, CO2 -790C portable fire extinguisher that is used to extinguish new small fires. Emissions: Solid, liquid and highly effective fire for electrical fire, fire in enclosed rooms, tunnels. Simple and convenient operation and efficiency. [Nbsp] 24kg fire extinguisher also use the same.
c) Usage and fire fighting principles:
When the fire occurs, carry the CO2 container to the fire, a spray speaker with the direction of fire at least 0.5m and the other hand to unlock the valve. When the valve is opened, due to the differential pressure, the liquid CO2 in the flask goes out through the diver tube and the spray speaker converts to a CO2-like form, cold to -790C. When sprayed into the fire, CO2 is used to dilute the mixture of combustion air vapor, and at the same time, to cool the combustion zone leading to fire suppression.