Febco LF850 DNRS DC 3 Part of the LF850 Large Series snake fence This 4 inch lead free This 4 inch lead free testable double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic 00 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 0124700 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series LF757DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet LF757DCDA Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Valve Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Ductile Iron Body Pattern Inline Brand FEBCO Buy American Act Compliant NO Bypass No Cap And Tether No Disc Material Silicone EAN 643925026115 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 IN Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Non Rising Stem Gate Valve Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 Features Ductile iron body construction with patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion