Q:What are the 3 colors of a fire extinguisher pressure meter?

When the gauge of the fire extinguisher refers to the red part, it shows that the pressure in the bottle is not enough, and the extinguisher can not be used properly;When the fire extinguisher pressure indicator refers to the yellow part, it shows that the pressure is too large and dangerous;When the fire extinguisher pressure indicator refers to the green section, it shows that the fire extinguisher is normal.

Q:Where does dry powder fire extinguisher fit?

When equipped with such fire extinguishers, according to the detailed use of the situation, mainly in accordance with the use of combustible burning situation in place, choose different types of dry powder fire extinguishers. 1 and BC dry powder fire extinguisher. This type of extinguisher is filled with class BC dry powder and can extinguish class BC fires.

Q:Should dry powder extinguishers be pressurized in a few years?

The replacement date in accordance with the requirements of two years due to be replaced, but once the Ministry of Public Security issued a document requirements of high-risk industries and key unit of fire safety using powder fire extinguisher a year for a change, so do not need to change to see if you place the fire extinguisher with nature

Q:Is the dry powder in the dry powder extinguisher harmful to the human body?

The dry powder fire extinguisher uses carbon dioxide gas or hydrogen gas as motive power to spray dry powder out of the fire. Dry powder is a dry, easy to flow fine solid powder. It can be composed of base material and moisture proof agent, flow enhancer, caking agent and anti - additive. It is harmless to human body. This is non-toxic

Q:What does the letter "fzx" mean in an ultra fine powder fire extinguisher?

China's fire extinguisher model is prepared in accordance with the provisions of the "model establishment method" of fire protection products. It consists of class, group, feature code and main parameters of several parts. Class, group, feature code represented by uppercase letters in the Chinese phonetic alphabet; general in the first type, is the code itself is usually with fire. "" M said.

Q:What is the maximum pressure that a dry fire extinguisher can bear?

The dry powder extinguisher is filled with ammonium phosphate dry powder extinguishing agent. A dry powder extinguishing agent is a dry, easily flowing fine powder used for extinguishing fires, consisting of inorganic salts with a extinguishing effect and a small amountThe additive is composed of fine solid powder which is dried, crushed and mixed. It is a fire extinguishing agent widely used in fire fighting, and is mainly used in fire extinguishers. In addition to fighting special fire extinguishing chemicals fire extinguishing chemicals, dry powder fire extinguishing agent is generally divided into two categories of BC dry powder extinguishing agent (sodium bicarbonate, etc.) and ABC dry powder (ammonium phosphate, etc.).One is the volatile decomposition of the inorganic salts in the dry powder, which is chemically inhibited and negatively catalyzed by free radicals or active groups produced in the combustion process, so that the combustion chain reaction is interrupted and the fire is put out;The two is that the powder of the dry powder falls outside the combustible surface, produces chemical reaction, and forms a glass covered layer under the action of high temperature, thus isolating oxygen and smothering the fire. There is also partial dilution of oxygen and cooling action.

Q:How long is the dry powder extinguisher valid?

For a long time will cause a fire extinguisher and fire extinguishing powder in the agglomerate, result can not be completely injection or not spray, so fire extinguisher expired will be sent to the maintenance of fire extinguishers qualification of enterprises for inflatable powder, dry powder fire extinguisher use for a long time will cause the pressure in the fire extinguisher fire extinguishers can lead to decreased injection, so the fire extinguisher pressure is insufficient to qualified maintenance of fire extinguishers for charging processing enterprises.

Q:Super dry potassium potassium chloride as the base material for a fire extinguisher why not

There are many kinds of dry powder extinguishing agents, which can be broadly divided into three categories:Dry powder made from sodium bicarbonate (potassium) as a base; used in extinguishing flammable liquids, gases, and charged equipment fires;A dry powder made from phosphoric acid, three ammonium, diammonium hydrogen phosphate, two ammonium hydrogen phosphate and mixtures thereof, used for extinguishing flammable solid, flammable liquids, flammable gases, and charged equipment fires;A powder of sodium chloride, potassium chloride, barium chloride and sodium carbonate used as a base for extinguishing light metal fires.

Q:Difference and usage of carbon dioxide fire extinguisher and dry powder fire extinguisher

Carbon dioxide is suffocating gas, harmful to humans, should pay attention to safety when using. At the time of the fire, to prevent the resurgence embers of continuous injection. Such as outdoor, you can not use the wind.

Q:The difference between dry powder fire extinguisher and 1211 fire extinguisher

1211 fire extinguishers, also known as Halon extinguishers, are halon fire extinguishers (CF2ClBr), which can extinguish class ABCE fires and are consistent with ammonium phosphate dry powderHe can't extinguish the fire better than the dry powder extinguisher