A\u00a0fire hose\u00a0is a high-pressure\u00a0hose\u00a0that carries\u00a0water\u00a0or other\u00a0fire retardant\u00a0(such as\u00a0foam) to a\u00a0fire\u00a0to extinguish it. Outdoors, it attaches either to a\u00a0fire engine\u00a0or a\u00a0fire hydrant. Indoors, it can permanently attach to a building’s\u00a0standpipe\u00a0or\u00a0plumbing\u00a0system.<\/p>\n
The usual working pressure of a firehose can vary between 8 and 20\u00a0bar\u00a0(800 and 2,000\u00a0kPa; 116 and 290\u00a0psi) while per the NFPA 1961 Fire Hose Standard, its\u00a0bursting pressure\u00a0is in excess of 110 bar. (11,000kPa; 1600psi)\u00a0Hose is one of the basic, essential pieces of fire-fighting equipment. It is necessary to convey water either from an open water supply, or pressurized water supply. Hoses are divided into two categories, based on their use: suction hose (which is laid down on the suction side of pump (inlet)), and delivery hose (which is laid down from the delivery side of the pump (outlet)).<\/p>\n
Lined hose are divided into 3 types:<\/p>\n
Type 1: Lined hose without external jacket treatment. Normally use in fire hose reel box in buildings.<\/p>\n
Type 2: Coated lined hose: This has a thin, epoxy outer coating that reduces liquid absorption into the jacket and may slightly improve abrasion resistance. It has lighter weight than Type-3 and normally use with firefighters. It can be repair for puncture.<\/p>\n
Type 3: Covered lined hose: has a thicker elastic cover that prevents liquid absorption but also adds substantial improvements to abrasion and heat resistance. It is best choice for oil & gas industries.<\/p>\n