Watts 957NRPDA OSY GPM FS 6 Part of the 957RPDA Series Access Tile This 10 IN flange accessory This 10 IN flange accessory kit for series 709 and 909 helps to prevent the reverse flow of polluted water from entering into the potable water supply Compact design 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 6 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F111641 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material EPDM Series 957RPDA Strainer No Technologies Flood Detection Tradename None Specification Sheet 957RPDA resilient seated gate valves with outside stem and yoke