Febco LF856DCDA DOSY GPM 3 Part of the LF856 Series Geotextile 50 Minimum Temperature Fahrenheit 33 Outlet 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 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 0438138 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 774DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 774DCDA the unit has a 8 inch CIPS (Cast Iron Pipe Size) coupler for easy connection to the underground supply (AWWA C900 PVC) and (Ductile Iron Pipe) a 8 inch industry standard grooved end connection (AWWA C606) on the building side for easy connection to the overhead fire sprinkler system This 3 inch lead free MasterSeries® double check detector backflow preventer assembly prevents the backflow of pollutants due to backsiphonage and or backpressure that are objectionable but not toxic 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Part Number 0124438 Polymer Coating No Pressure Operation Does Not Apply To Product Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series LF856 Strainer No Tradename MasterSeries Specification Sheet LF856