Fire Hose Work…..
The working principle of a fire hose is very simple. It uses the power of water to extinguish the fire. The water is forced into the hose by a pump and is discharged through the nozzle at high pressure. The water jet’s force breaks up the fire’s structure and puts it out.
For a fire hose to work effectively, it must be properly connected to the water supply. The hose is usually connected to a fire hydrant or water pump. The hydrant is used to supply water to the hose, and the pump increases the water’s pressure so it can reach the nozzle.
Once the hose is connected to the water supply, the nozzle is opened, and the water is discharged at high pressure. The water jet’s force breaks up the fire’s structure and puts it out.
Types of Fire Hose……
There are two main types of fire hose:
Class A: This type of fire hose is used to extinguish fires in ordinary combustibles, such as wood, paper, or cloth. It is made of a synthetic rubber inner layer and a natural rubber or PVC outer layer.
Class B: This type of fire hose is used to extinguish fires in flammable liquids, such as gasoline or oil. It is made of a synthetic rubber inner layer and a nitrile rubber or PVC outer layer.
Fire Hose
A fire hose (or firehose) is a high-pressure hose that carries water or other fire retardant (such as foam) to a fire to extinguish it. Outdoors, it attaches either to a fire engine, fire hydrant, or a portable fire pump. Indoors, it can permanently attach to a building’s standpipe or plumbing system.
Fire hoses are manufactured in different diameters. The most common sizes are 25mm (1″), 38mm (1.5″), 50mm (2″), 65mm (2.5″), 80mm (3″), and 100mm (4″). The length of the hose also varies but is usually between 30m and 50m.
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