FIRE HYDRANT

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Patent Separable Fire-Hydrant | Underground Type
With Air Relief Valve | Special Adjustable Pipe

Mini Air Relief Valve
Copper as per ASTM B30 Gasket & Seals
as per AWWA C111(ANSI A21.11) or JIS 6353.
Working Pressure: 7.5kgf/cm2 Testing Pressure: 17.5kgf/cm2
Release Speed Water Pressure
82 seconds 1kg/cm2
62 seconds 2kg/cm2
50 seconds 3kg/cm2
41 seconds 4kg/cm2