Dual Check Valves are Designed for Non-Health Hazard Residential Water System Containment and Continuous Pressure Applications, Such as the Drinking Water Supply Service Entrance or Individual Outlets; Can be Installed Vertically/Horizontally; LF7 Series uses Two Compact Replaceable Check Module; Lead-Free
Dual Check Valve Backflow Preventer; Type Dual Check Valve, Continuous Pressure; Valve Configuration In-Line; Nominal Size 3/8 Inch x 3/8 Inch; End Connection Female Threaded x Female Threaded; End to End Distance 2-7/8 Inch; Body Material Cast Copper Silicon Alloy; Disc/Poppet Material Silicone; Seat Material Buna-N; Temperature Rating 33 to 180 Deg F; Pressure Rating 150 PSI; Exclusions Shut-Off Valve, Strainer, Cap and Tether, Elbow Fitting, Hot and Harsh Water, Polymer Coating, Bypass, Hydrant Connection; Application Non-Health Hazard; Lead-Free; Protection Type Backsiphonage
This 3/8 inch dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It is designed for in-line continuous pressure applications, such as wash-down sinks or other installations, where a hose type device connected to the domestic water supply can be submerged into a non-potable liquid. It consists of a Lead-Free bronze body, 3/8 union NPT thread female inlet by NPT thread female outlet, two plastic replaceable check valves, Buna-N seals, silicone discs, and stainless steel springs. The minimum working pressure is 10 psi (69 kPa) and the maximum working pressure is 150 psi (10 bar).
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