Structure
Currently, there are various types of flexible sprinkler hoses available on the market, with different structures and applications depending on site conditions and system requirements. In general, the hose is made of stainless steel (commonly SS304) with corrugation for enhanced flexibility. Depending on usage, it may come with or without an external stainless-steel braid.
Manufacturers usually provide complete installation accessories such as ceiling brackets, support bars, couplings, compatible threaded outlets, clamps, etc., ensuring quick installation and compatibility with different sprinkler heads.
Technical Specifications of Unbraided Flexible Sprinkler Hose:
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Hose Size: G-Flex 25
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Inside Diameter (I.D): 28.2 mm
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Outside Diameter (O.D): 28.8mm
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Type: Helical Corrugated Hose
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Maximum Operating Temperature: 225°F (107°C)
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Maximum Operating Pressure: 14 kg/cm² (TCVN) / 200 psi (UL) / 175 psi (FM)
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Minimum Bending Radius: 4 Inch (UL/ULC) / 9 Inch (FM)
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K-Factor:
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1/2" Outlet: Unbraided – 5.6 gpm
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3/4" Outlet: Unbraided – 8.0 gpm
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Standard Lengths: 700 mm, 1000 mm, 1200 mm, 1500 mm, 1800 mm
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Connections:
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Inlet: 1” – NPT/BSPT
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Outlet: 1/2” or 3/4” – NPT/BSPT
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