Fire hoses and fire hose reels

I have only seen fire hoses and nozzles that are coiled and stored inside fire water tanks.

I’ve never seen them configured together at the same time. Fire hoses and nozzles must be provided together.

This post was last edited by register891 on 2016-5-1 09:04. Fire hoses and fire hose reels are both placed inside the fire extinguisher cabinet. As long as there is a fire hydrant system in a building, there are also fire hoses. Fire hose reels are generally found in larger public buildings, such as high-end office buildings, large shopping malls, and star-rated hotels. Ordinary residences only have fire hoses, without fire hose reels. The diameter of the fire hose reel is 19 mm, and that of the fire hose is 65 mm.

This post was last edited by wang*nhua77020 on 2016-5-2 09:15. Not necessarily; the hose reel has a small water capacity, is easy and simple to operate, and features a fixed connection method. During firefighting, the valve is opened, the hose is pulled out straight to the source of the fire, and the nozzle is used to extinguish the fire – it can be operated by women as well. For the hose-type model, it is necessary to temporarily disconnect the hose, connect it to the fire hydrant and nozzle (without a switch), then open the valve and pull it towards the source of the fire to extinguish it. It is difficult to operate skillfully without training; the backpressure is high, and only men are able to handle it ； Specifically, it shall be configured in accordance with the requirements of the Code for Fire Protection Design of Buildings GB50016-2014 ； 8.2 Indoor fire hydrant systems 8.2.1 Indoor fire hydrant systems shall be installed in the following buildings or premises: 1 Factories and warehouses with a floor area of more than 300㎡ ； 2 High-rise public buildings and residential buildings with a height greater than 21 m ； Note: For residential buildings with a height of 27 m or less, where it is indeed difficult to install an indoor fire hydrant system, it is possible to use only dry fire risers along with indoor fire hydrants of DN65 without hydrant boxes. 3 Single- and multi-story buildings such as waiting buildings for trains (ships, planes) at stations, ports, and airports with a volume greater than 5000 m³, exhibition buildings, store buildings, hotel buildings, medical buildings, and library buildings ； 4 First-class and A-class theaters, theaters and cinemas of other categories with over 800 seats, as well as single- or multi-story buildings such as auditoriums and stadiums with over 1200 seats ； 5 Office buildings, educational buildings, and other single- or multi-story civil buildings with a building height of more than 15 m or a volume of more than 10,000 m³. 8.2.2 Buildings or premises not specified in Article 8.2.1 of these specifications, as well as the following buildings or premises that meet the requirements of Article 8.2.1, may be exempt from having an indoor fire hydrant system; however, it is advisable to install fire hose reels or portable fire hoses: 1 Single- or multi-story factories (warehouses) of Classes D and E with a fire resistance rating of Class I or II and a low amount of combustible materials ； 2 Class D factories with fire resistance ratings of grade 3 or 4 and a building volume not exceeding 3000 m³ ； Class E factories (warehouses) with a fire resistance rating of level 3 or 4 and a building volume not exceeding 5000 m³ ； 3 Grain warehouses, vaults, and standalone buildings located far from towns and unattended ； 4 Buildings containing items that can cause combustion and explosion upon contact with water ； 5. There are no water supply pipes for production or domestic use indoors; the outdoor fire-fighting water is taken from a reservoir, and it applies to other buildings with a volume of no more than 5000 m³. 8.2.3 For important ancient brick-wood or wood-frame buildings that are designated as cultural relics of Grade 8.2.3, an indoor fire hydrant system should be installed. 8.2.4 Fire hose reels or portable fire hoses shall be installed in densely populated public buildings, buildings with a height of more than 100 m, and commercial service establishments with a floor area of more than 200㎡. Lightweight fire hoses should be installed indoors in high-rise residential buildings. Detailed regulations on how to install fire hoses and firefighting hoses