First Strike Technologies, Inc

Description

First Strike Tech's Company Information The ultimate purpose of a firefighting nozzle is to aid in "Fire Suppression" (extinguishment). Therefore, the basics of fire suppression must be understood and applied in any evaluation of fire apparatus or equipment. A brief overview of some of the principals involved in fire suppression and the role of firefighting nozzles is provided. A more thorough review and understanding should be obtained with a review of the current issue of the National Fire Protection Association’s National Fire Protection Handbook (NFPA). According to the NFPA’s National Fire Protection Handbook, Fire Suppression or "Extinguishment can be accomplished by cooling either the gaseous combustion zone or the solid or liquid combustible. In the latter case the cooling prevents the production of combustible vapors. This is probably the primary mode of action when a wood fire is extinguished by applying water." "As an alternative to removing heat from the combustion zone to slow the reactions, it is also possible to reduce the temperature of the flame by modifying of the air, which supplies the oxygen. Air contains 21% by volume of oxygen, the remainder being almost entirely the inert gas nitrogen. The nitrogen, which is drawn into the flame along with the oxygen, absorbs heat, with the result that the flame temperature is much lower than it would be in a fire burning in pure oxygen. If additional nitrogen or some other chemically unreactive gas, such as steam, carbon dioxide, or a mixture of combustion products, were to be added to the air entering the flame, the heat absorbed by these inert molecules would cause the flame temperature to be even lower." "The flame temperature is so important because the rate of a key combustion reaction (H+O2

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