Fire hose reels are located at strategic places in buildings to provide a reasonably accessible and controlled supply of water for fire extinguishing. Fire hose reel systems consist of pumps, pipes, water supply and hose reels located strategically in a building, ensuring proper coverage of water to combat a fire. The system is manually operated and activated by opening a valve enabling the water to flow into the hose that is typically a reach away. The system pressure loss will activate the pump ensuring adequate water flow and pressure to provide a water jet of typically a minimum of 10 meter from the nozzle. Fire hose reels are located to provide a reasonably accessible and controlled supply of water to combat a potential fire risk. The length of a fully extended fire hose is 25/30 meters with a diameter of 20/25 mm (outside diameter). These appliances are designed to deliver, as a minimum, 0.33L of water per second. A control nozzle attached to the end of the hose enables the operator to control the direction and flow of water to the fire. All fire hose reels come with a unique ball valve, a plastic or solid hose reel nozzle and mounting bracket. The hose reel drum is made of 2mm thick Mild Steel/ aluminium drum smoothly rotating with swing type mounting brackets, duly powder coated red colour painting and properly fix on wall /raiser line, inlet connection tapping from pressurized line with isolation valve, drum accommodate red/black colour nylon braded smooth surface rubber hose with shut off nozzle. Water hose reels fire fighting system consist of fire hose reels that are installed on the inside of the building in the form of reels in cabinets. Fire hose reel cabinets are fitted with the fire hose reel or fire hose rack. The water supply to these hoses is from fire pump room via main fire fighting hydrant line. The fire pumps are jockey pump, electric pump and diesel engine pump. The hoses have different kinds of nozzles at its ends for different type of fire hazards. The fire hoses are made of different material and sizes that are installed according to the nature of hazards.
FIRE HOSE
A fire hose is a high-pressure hose that carries water or other fire retardant (such as foam) to a fire to extinguish it. The hose attaches either to a fire engine or a fire hydrant/landing valve. The fire hose is 100% nylon circular woven fabric jacketed type A, Non percolating 63 mm size, 38 kg cm2 burst pressure, 22kg cm2 proof pressure, 14 kgcm2 working pressure bearing IS: 639-88 in length of 15 mtr with gunmetal/stainless steel instantaneous coupling pair of male and female adopter, locking arrangements and washers with Indian standard. There are several types of hose designed specifically for the fire service. Those designed to operate under positive pressure are called discharge hoses. They include attack hose, supply hose, relay hose, forestry hose, and booster hose. Those designed to operate under negative pressure are called suction hoses. The woven fabric that reinforces fabric-covered fire hoses can come in one or more layers, or 'jackets': single jacket hoses find use in industrial applications, for example, since weight is at a premium or use is infrequent, respectively. On the other hand, the frequent, sometimes harsh use brought about by urban firefighting makes the improved durability provided by double jacket hoses worth their greater weight. To prevent water from seeping through the hose jacket, a thin tube of extruded rubber or other elastomer usually lines jacketed hoses. Another type of fabric hose construction is called through-the-weave extrusion. In this design, a single fabric jacket receives lining and coating of rubber from an extruder that simultaneously forces the rubber into and through the jacket weave to form an interlocking bond. Through-the-weave construction produces a lighter weight hose and is primarily used for larger-diameter supply hoses. The wet fire hose is usually hung to dry, because standing water that remains in a hose for a long time can deteriorate the material and render it unreliable or unusable.