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In fire protection engineering, the K-factor formula is used to calculate the volumetric flow rate from a nozzle. Spray nozzles can for example be fire sprinklers or water mist nozzles, hose reel nozzles, water monitors and deluge fire system nozzles.
Fire loading in a building or compartment measures the potential severity of a hypothetical future fire. It represents the heat output per unit floor area, typically expressed in kJ /m², calculated based on the calorific value of the materials present.
The hydraulic calculation procedure is defined in the applicable reference model codes such as that published by the US-based National Fire Protection Association (NFPA), [2] or the EN 12845 standard, Fixed firefighting system – Automatic sprinkler systems – Design, installation and maintenance.
Contemporary fire appliances carry a multitude of equipment and firefighting media (such as water and foam) to deal with different types of emergencies ranging from fires, rescues, vehicle extrication, floods, salvage, casualty and trauma care. The design and size of a fire appliance depends very much upon the role it is expected to perform.
This kind of unit may have seats for up to six firefighters, a water tank of more than 2,900 U.S. gallons (2,400 imperial gallons; 11,000 liters), and basic equipment for firefighting and rescue. [6] This configuration may be found, for example, in rural areas, where a fire engine (with rescue equipment) and water tender are supported by a ...
Between 2015-19, local fire departments reported an average of 32,620 home fires involving electrical distribution and lighting equipment per year, the agency said.
A kitchen hood, exhaust hood, hood fan, extractor hood, or range hood is a device containing a mechanical fan that hangs above the stove or cooktop in the kitchen. It removes airborne grease, combustion products, fumes, smoke, heat, and steam from the air by evacuation of the air and filtration. [ 1 ]
National Presto Industries is a company founded in 1905 in Eau Claire, Wisconsin. [2] Originally called "Northwestern Steel and Iron Works" the company changed its name to the "National Pressure Cooker Company" in 1929 and then National Presto Industries, Inc. 1953. [3]