Series 07S Residential Fire Sprinkler System Dual Check Valves prevent the reverse flow of polluted water from residential fire sprinkler systems from entering into the potable water supply. It consists of a bronze body construction with dual check valves, silicone seat discs, and identification tag. Series 07S offers low pressure drop, easy maintenance and service, and is designed for non-health hazard residential sprinkler systems at the water meter or service entrance. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kPa), Maximum Working Pressure: 175psi (12.06 bar), Maximum recommended flow: 50 gpm (190 lpm).
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