Correctly to choose the fire extinguisher, it is necessary to have idea of their classification. This information will help to be guided well upon purchase of the fire extinguisher.
Instruction
1. Carbon dioxide fire extinguishers. To put out the fire, the liquefied carbon dioxide is used. Now portable and mobile carbon dioxide fire extinguishers meet. Figurative are used generally for suppression of fire which has arisen in electric units where there is tension not less than 1000 V. Takzhe such fire extinguisher it is possible to use for suppression of various substances and materials. The mobile fire extinguisher is generally used for fire fighting of combustible and flammable liquids, electric units of the small sizes which are energized up to 1000B, internal combustion engines. It can be used for suppression of objects when use of water does not give positive effect or it is undesirable.
2. Dry powder extinguishers (OP) most often apply This type of fire extinguishers to extinguish the fire of class (A, B, C, D, E). In the market figurative, mobile and stationary types are available. As fire extinguishing substance powder of the general and special purpose acts. Powder of general purpose is recommended to be used for fire fighting and at fire of LVZh and GZh, gases, wood and other materials, the main which acts carbon. Special purpose powder can well extinguish the fire and fire of aluminum connections.
3. Liquid fire extinguishers (OZh) usually act as Liquid fire extinguishing structures water solutions of different chemical compounds. Also water to which surfactants are added can be used. They capable to block access to oxygen. This type of fire extinguishers has not received great popularity as it is possible to use them only in zone with year-round positive temperature. Liquid fire extinguishers can be used at suppression of fire of solid material which has organic origin. As fire extinguishing means both normal water, and water performs with additives which enhance fire extinguishing ability of water.