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  2. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    Nozzle A device attached to the end of a fire hose that directs, shapes and regulates the flow of the water or fire fighting agent pumped into the hose. May have a control valve. Can also be referred to as a branch pipe. Nozzle tip Portion of firehose that forms the fire stream as it leaves the hose.

  3. Fog nozzle - Wikipedia

    en.wikipedia.org/wiki/Fog_nozzle

    A fog nozzle. A fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets.By doing so, its stream achieves a greater surface area, and thus a greater rate of heat absorption, which, when compared to that of a smoothbore nozzle, speeds its transformation into the steam that smothers the fire by displacing its oxygen.

  4. Vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Vapor_recovery

    Gas nozzle with vapor recovery. Vapor (or vapour) recovery is the process of collecting the vapors of gasoline and other fuels, so that they do not escape into the atmosphere. This is often done (and sometimes required by law) at filling stations, to reduce noxious and potentially explosive fumes and pollution.

  5. Mattydale lay - Wikipedia

    en.wikipedia.org/wiki/Mattydale_lay

    A third person handing the hose to the two individuals on the ends facilitates the process. After the desired length of hose is connected, and sometimes the air removed from the interior with a fire hose vacuum, it is laid in a compartment or hose bed in a predetermined manner depending on the type of lay being built. Almost always the nozzle ...

  6. Nozzle - Wikipedia

    en.wikipedia.org/wiki/Nozzle

    A nozzle is a device designed to control the direction or characteristics of a fluid flow (specially to increase velocity) as it exits (or enters) an enclosed chamber or pipe. A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid (liquid or gas). Nozzles are frequently used ...

  7. Glossary of firefighting - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting

    An advancement from the hand tub was to a fire engine which was still pumped by hand but had a suction hose to supply water. Hand tubs were pulled to the fire by hand or some were designed to be pulled by horses. Hand jack: To advance a line (hose) manually rather that deploy it from the hose bed of a moving piece of apparatus. Usually applies ...

  8. Spray nozzle - Wikipedia

    en.wikipedia.org/wiki/Spray_nozzle

    A spray nozzle or atomizer is a device that facilitates the dispersion of a liquid by the formation of a spray. The production of a spray requires the fragmentation of liquid structures, such as liquid sheets or ligaments, into droplets, often by using kinetic energy to overcome the cost of creating additional surface area.

  9. Expansion deflection nozzle - Wikipedia

    en.wikipedia.org/wiki/Expansion_deflection_nozzle

    While research into this nozzle continues, it could be used before all its advantages are developed. As an upper stage, where it would be used in a low ambient pressure/vacuum environment specifically in closed wake mode, an E-D nozzle would offer weight reductions, length reductions and a potential increase to the specific impulse over bell nozzles (depending on engine cycle) allowing ...

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