Series LFis designed for non-health hazard residential water system . Series 07S Residential Fire Sprinkler System Dual Check Valves prevent the reverse flow of polluted water from residential fire sprinkler systems from entering . The Dual Check Valve backflow preventer simply was not developed for use in health hazard industrial applications. You wouldn’t put a residential deadbolt on . Double check backflow preventer, residential backflow preventer, sewage backflow. Dual Check Valve – Model GF808 GF8080E – The Dual Check Valve or . The # Dual Check Backflow Preventer is designed. A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination.
Series, Dual Check Valve, Wye Pattern Bronze Body, Inline Testable Options;. FP-3Series, Residential Fire Protection Domestic Dual Check Valve.