Fire hose reel purpose fire hose reel pressure reducing valve

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  • 24 December 2020 NO.: (852) 2733 7744 11[ Pressure ...

    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.

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  • Chapter 6 FIRE FIGHTING SYSTEMS - SCDF

    The 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...

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  • Fire Hose Reels - Exelgard

    2016-3-30 · 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

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  • Fire hydrant and - SA.GOV.AU - Home

    Automatic 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 ...

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  • Standpipes and Hose Systems CHAPTER 3 - NFPA

    2019-3-14 · 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,

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  • Technical Committee on Fire Hose - NFPA

    2021-1-27 · (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

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  • Chapter 6 FIRE FIGHTING SYSTEMS - SCDF

    Fire 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.

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  • Standpipes and Hose Systems CHAPTER 3 - NFPA

    2019-7-17 · 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.

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  • CODES OF PRACTICE - Fire Services Department

    Fire 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.

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  • CODES OF PRACTICE - Fire Services Department

    2018-5-26 · '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 …

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  • Service Testing of Fire Hose

    6.2.2 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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