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

Short Lay-Length for Small Space Installation; Ideal for any Backflow Replacement Application; Utilizes Zurn Wilkins Low Headloss Compound Check for Reliable and Superior Performance; No Thread or Taps in Body or Cover, Eliminating Exposure to Corrosion; Single Access Cover Reduces Down Time; No Thread or Taps in Body or Cover, Eliminating Exposure to Corrosion; Retrofit; Lead-Free; Water Saving

Backflow Preventer; Type Reduced Pressure; 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, Outside Screw and Yoke Gate Valve; Application Potable Water; Applicable Standard NSF/ANSI 61, ASSE 1013, AWWA C511/C550/C606, CSA, IAPMO, UL, ULC, FM, CUPC; Lead-Free; Hydrostatic Test Pressure 350 PSI