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11 行 · Pressure reducing hose valves and floor control valves are used to control the pressure of flowing water in standpipe and sprinkler systems. NFPA requires pressure reducing valves where the inlet pressure exceeds 175 PSI.
Get PriceThe Pressure-Tru™ ZW4000 Series Pressure Reducing Valve is listed as a standpipe valve for individual hose stations in CLASS I and CLASS III systems. Regulates pressure under both FLOW and NO-FLOW conditions. Available with threaded or grooved...
Get Price2016-3-30 · Fire hose reels provide a reasonable, accessible and controlled supply of water to combat a potential Class A fire risk. Various types of fire hose reels are available to meet specific needs. With a standard fully extended length of 36 metres, Exelgard fire hose reels are designed to deliver a minimum of 0.33 litres of water per second when
Get PriceAutomatic hose reel has integrated automatic stop valve which will open after 2 revolution of the reel ... Maximum working pressure 12bar, test pressure 18bar (EN671-1) Maximum working pressure 10bar, test pressure 17bar (AS1221) Side plates available in stainless steel; SRI fire hose reels are tested and approved to European Standard EN671-1 ...
Get Price2019-3-14 · Fire hose reels that are reticulated from a fire hydrant system shall have permanent signage for the isolation valve. The clause also specifies the location of the valve. This enables the system to be easily shut off in the event that a fire has damaged internal hose reel pipework,
Get Price2021-1-27 · (189 L/m) per hose rack at a pressure of 65 psi (4.5 bar). Class III. A combination of Class I and Class II. This type of system is usually equipped with a 21⁄2 in. (65 mm) angle valve for fire department use and a 1 1⁄2 in. (40 mm) hose rack assembly for industrial fire brigade use, although a 21⁄2 in. (65 mm) hose valve
Get PriceFire hose reels are manufactured to comply with AS/NZS 1221. They are connected to the mains water supply or Fire Systems, and are either wall-mounted or in cabinets. They require appropriate signage indicating their location and suitability. The length of a fully extended fire hose is between 18 and 36 meters with a diameter of 13, 19mm or 25mm.
Get Price2019-7-17 · 6.2 RISING MAIN AND HOSE REEL SYSTEMS 6.2.1 Type of Rising Main (a) The type of rising main system shall be provided ... required flow rate and pressure for fire fighting and equipped with water ... and its landing valve should be protected from fire or mechanical damage if they are located inside the building and exposed to fire risk.
Get PriceFire Hoses. A fire hose is a high-pressure hose used to carry water or other fire retardant (such as foam) to a fire to extinguish it. Outdoors, it is attached either to a fire engine or a fire hydrant. Indoors, it can be permanently attached to a building's standpipe or plumbing system. NST or NH = Fire Hose Thread. NPSH = Straight Pipe Thread.
Get Price2018-5-26 · 'fixed fire pump' means a permanently primed pump set between the reserve source of water supply and the various hydrant/hose reel outlets; 'hose reel' means any standard type hose reel of a pattern approved by the Director of Fire Services; 'sprinkler installation' means an installation of …
Get Price6.2.2 Number, location and size of rising mains! Note to QPs on Clause 6.2.2 Under normal circumstances, a building below 10m in habitable height would not require rising mains. However, if such buildings have very large floor area or footprint, whereby its internal areas are outside the coverage of a fire hose length of 38m from the fire-fighting access panels, it is recommended that the ...
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