Febco 850U QT FZ 1 2 Part of the 850 Small Series inlet protection finder 50 Minimum Temperature Fahrenheit 33 Outlet 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 4 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 0389179 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Bronze Series 709DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 709DCDA It features ductile iron body construction It is ideal for protection in continuous pressure piping applications and at cross connections identified as non health hazards and for contaminants at the service line entrance irrigation management systems (IMS)