Watts LF909-OSY-S-FDA-FS 4 - Part of the LF909 Large Series Drain Fitting 50 Minimum Temperature-Fahrenheit 33 Outlet

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 6 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F191640 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 957 Strainer No Technologies Flood Detection Tradename None Specification Sheet - 957

It consists of a float

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 8 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0438025 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series 774 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 774

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type Does Not Apply To Product Part Number 0792161 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series LF709 Strainer No Technologies Does Not Apply To Product Tradename ArmorTek Specification Sheet - LF709

Maximum recommended flow is 15 GPM (57 LPM)

Watts LF909-OSY-S-FDA-FS 4 - Part of the LF909 Large Series Drain Fitting 50 Minimum Temperature-Fahrenheit 33 OutletThis 4 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, outside stem and yoke resilient seated gate valves, a strainer,