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"Deck gun" can also mean a type of artillery gun fitted to submarines. "Deck gun" can also mean a type of big water nozzle used for firefighting.
Distinguish from water monitor, which is a type of big lizard. For large firefighting devices see Fire monitor. The Water monitor, Varanus salvator is a large species of Monitor lizard
Fixed fire monitor at a plastic manufacturing factory
Fixed fire monitor at a plastic manufacturing factory

Contents

A fire monitor, deluge gun, or master stream, or deck gun is an aimable controllable high-capacity water jet used for manual firefighting or automatic fire protection systems. Distinguish from a Firefight, which means a battle with firearms Fire protection is the study and practice of mitigating the unwanted effects of Fires ref>NFPA Fire Protection Handbook pg Fire monitors are often designed to accommodate foam which has been injected in the upstream piping. Fire monitors are often fitted to fire boats and on top of large firetrucks for use in manual fire fighting efforts. A fire apparatus, fire engine, fire truck, or fire appliance is a vehicle designed to assist in fighting Fires by transporting Firefighters Fire monitors are also used in fixed fire protection systems to protect high hazards, such as aviation hangars and helicopter landing pads. Most manual fire monitors are able to be directed by a single firefighter, compared to a standard fire hose which normally requires several men. Fire Monitors can also be automatically positioned for fixed systems. They can pump up to, and sometimes over, 2000 gallons per minute (126 litres per second).

Manual fire monitors can be directed by one firefighter, compared to a standard fire hose which normally needs several people to operate.

Deluge guns are also available in portable designs so a firefighter can set up the gun to apply water to a blaze then leave it in place so the firefighter is free for other tasks. Facilities with highly flammable material such as oil refineries may have permanently installed deluge guns for use in the event of a fire. An oil refinery is an industrial Process plant where Crude oil is processed and refined into more useful Petroleum products, such as Gasoline

A master stream is a fire service term for a water stream of 350 gallons per minute (1,320 lpm) or greater. Firefighters are rescuers extensively trained primarily to put out hazardous Fires that threaten civilian populations and property to rescue people from car accidents collapsed It is delivered by master stream devices such as deck guns, deluge guns, and fire monitors. "Deck gun" can also mean a type of big water nozzle used for firefighting. Master streams are often found at the end of aerial ladders, tele-squirt nozzles, or monitor nozzles. A fire apparatus, fire engine, fire truck, or fire appliance is a vehicle designed to assist in fighting Fires by transporting Firefighters The high amount of required pressure makes them unsuitable for handline use.

A deck gun can be found fitted to fireboats and fire trucks for use in manual fire fighting efforts. A fireboat is a specialized watercraft often resembling a Tugboat, with pumps and nozzles designed for fighting shoreline and shipboard Fires They are frequently A fire apparatus, fire engine, fire truck, or fire appliance is a vehicle designed to assist in fighting Fires by transporting Firefighters It can be aimed and operated by one firefighter and is used to deliver water or foam from outside the immediate area of fire.

Risks

A master stream brings with it many risks when used in an urban setting. A master stream should never be fired into a building with people inside, as the force could knock down a supporting wall in a structure and crush victims. Also the steam expanding from the high volume of water delivered could cause a blowout or displace oxygen from an enclosed area, creating a risk of asphyxiation.

Drawing of a deluge gun with dual nozzles

A Chicago Fire Department engine using its deluge gun on a structure fire.

A Great River Fire Department Engine demonstrating its deluge gun.

See also

Sources

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