4", Flanged x Flanged, 175 PSI, Lead-Free, Epoxy Coated, Ductile Iron, Reduced Pressure Detector, Backflow Preventer with Outside Screw and Yoke Gate Valve

Meter Unauthorized Water Use in Fire Lines; Retrofit; Lead-Free; Water Saving

Backflow Preventer; Type Reduced Pressure Detector Assembly; Nominal Size 4 Inch; End Connection Flanged x Flanged; End to End Distance 37-5/8 Inch; Body Material ASTM A536 Epoxy Coated Ductile Iron; Disc/Poppet Material EPDM; Spring Material 300 Series Stainless Steel; Seat Material Noryl Polymer; Seal Material Buna-N O-Ring, EPDM Seal Ring; Temperature Rating 140 Deg F; Pressure Rating 175 PSI; Inclusions/Features ASTM A536 Epoxy Coated Ductile Iron Access Cover, 300 Series Stainless Steel Fastener/Spring, Outside Screw and Yoke Gate Valve; Application Potable Water; Applicable Standard NSF/ANSI 61, ASSE 1047, AWWA C550, ANSI B16.1, CSA B64.4, ULC, FM; Lead-Free; Hydrostatic Test Pressure 350 PSI