Backflow Preventers, Double / dual Check Valve Assemblies Iron Backflow Preventers, Double / dual Check Valve Assemblies (6)

Disc/Poppet Material Silicone (16) End Connection Female Threaded Union x Female Threaded (1) Female Threaded x Female Threaded (24) End to End Distance 11 Inch (1) 12-1/4 Inch (1) 12-5/8 Inch (1) 13 Inch (1) 13-1/2 Inch (1) 14 Inch (1) 14-7/8 Inch (2) 14-9/16 Inch (1) 15-1/4 Inch (1) 16-1/8 Inch (1) 17-3/8 Inch (2) 19-5/8 Inch (1) 20-5/16 Inch (1) 21-3/8 Inch (1) 22 Inch (1) 22-9/16 Inch (1) 24 Inch (1) 26-1/2 Inch (1) 4-1/2 Inch (2) Flow Rate 14 GPM (1) 167 GPM (1) 167 GPM at 15 Foot per Second (1) 25 GPM (1) 25 GPM (Schedule 40 Pipe) (2) 25 GPM at 15 Foot per Second (1) 40 GPM (1) 40 GPM (Schedule 40 Pipe) (1) 40 GPM at 15 Foot per Second (2) 70 GPM (1) 70 GPM at 15 Foot per Second (1) 95 GPM at 15 Foot per Second (2) Nominal Size 1 Inch (2) 1 Inch x 1 Inch (3) 1-1/2 Inch (1) 1-1/2 Inch x 1-1/2 Inch (3) 1-1/4 Inch (1) 1-1/4 Inch x 1-1/4 Inch (3) 1/2 Inch (1) 1/2 Inch x 1/2 Inch (1) 2 Inch (2) 2 Inch x 2 Inch (1) 3/4 Inch (4) 3/4 Inch x 3/4 Inch (3) Port Type Standard (1) Pressure Rating 175 PSI Seal Material Buna Nitrile (1) Seat Material Noryl (5) Silicone (1) Temperature Rating 140 Deg F (1) 180 Deg F (22) 210 Deg F (2) Type Double Check Valve Assembly (2) Dual Check (1) Dual Check Valve Assembly (2) Dual Check, Continuous Pressure (2) Dual, Reversible (1) Pressure Vacuum Breaker Assembly (1) Reduced Pressure (1) Reduced Pressure Assembly (7) Reduced Pressure Principle Assembly (3) Top Access Double Check Valve Assembly (5) Valve Configuration Angle (5) Horizontal/Vertical (3) Vertical (2)