fog nozzle fire fighting

a fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets. fog nozzles play an important part in firefighting tactics due to their versatility. with regard to flow rate, it is imperative to be sure that each fog nozzle be able to handle the flow rate of its water supply because the master stream devices to which they are sometimes attached can expel up to 2,000 us gallons (7.6 m3) per minute. however, one significant disadvantage of fog nozzles is that the ratio of surface area to volume of the compressed air foam (caf) bubbles (which are formed by mixing air into a solution of water and foaming agents at the pump) exceeds that of fog nozzles’ water droplets; therefore, the mechanical deflection in the nozzles themselves causes a loss of bubble structure, thereby reducing the caf’s ability to absorb heat.

despite this drawback, provided an appropriate nozzle pressure and water supply, fog nozzles are effective for any ground fire situation. all contain an adjustable baffle that, like a thumb placed on the end of a garden hose, keeps their flow rates and stream reaches steady and finely adjustable despite variations in water pressure at the nozzle. it is important to note that selectable nozzles will only flow if the pump pressure exceeds the nozzle pressure. all styles of fog nozzles have a spray pattern adjustment.

you must have javascript enabled in your browser to utilize the functionality of this website. smooth bore nozzles, also known as solid bore nozzles, are the most basic type of fire nozzle – both in design and function. for example, the reach of a quality fog nozzle at 100 psi is about the same as a solid bore nozzle at 50 psi. if you like the lower pressure performance of the solid bore nozzle and the pattern of the fog nozzle, consider a multi-purpose, or combination nozzle. the single gallonage nozzle is the simplest form of combination fire nozzles, providing flow at a predetermined rate that cannot be significantly altered while in use.

the multi-purpose nozzle is a combination solid bore and fog nozzle, providing maximum reach and heat absorption. need both a solid stream and fog pattern in one nozzle? grit and dirt should also be removed from exterior moving parts to allow the nozzle to operate as designed. whether you need fire nozzles, fire fighting valves, monitors or the latest technology in vehicle electronics, akron brass has a large selection to meet your unique application. our fire fighting equipment is safe and effective for your emergency situation.

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, 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, fog nozzles are also designed to provide a dispersed stream – spinning teeth on the nozzle break up the water into smaller droplets for better heat absorption the first issue with some firefighters’ knowledge of nozzles is that they can only differentiate between smooth bore nozzles and fog nozzles., adjustable fog nozzle, adjustable fog nozzle, automatic fog nozzle, fog nozzle price, fog nozzle pros and cons.

yet, despite dr. oyston’s invention in 1863, widespread use of fog nozzles for fighting fires in the united states and the rest of the world 5 things firefighters must know about nozzles conventional fog nozzles have a fixed or selectable gpm setting. at edarley we offer firefighters a wide range of fire nozzle options. straight stream to wide fog—or perhaps an adjustable fire nozzle, smooth bore vs fog nozzle, fog nozzle pressure.

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