Febco LF876V DNRS GPM 10 Part of the LF876V Series mainline siltfence This 6 inch double check This 6 inch double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure The Watts FD 330 Y is a high performance area drain designed for heavy commercial use Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Detector Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Ductile Iron Body Pattern N Pattern Brand FEBCO Buy American Act Compliant NO Bypass Yes Bypass Size 3 4 IN Cap And Tether No Disc Material Silicone EAN 643925556575 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 10 IN Inlet Connection Size Metric 250 MM Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Non Rising Stem Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 Detector bypass assembly with GPM meter