4", Flanged x Flanged, 175 PSI, Lead-Free, 304L Stainless Steel, Double Check Valve, Backflow Preventer with Flanged End Outside Screw and Yoke Gate Valve

Short Lay-Length for Small Space Installation; Reliable Performance and Improved Flow Characteristic from Patented Compound Check, Allowing for Installation in Lower-Pressure System; Available as 350ASTR for Custom Length, Drop in Replacement; Ideal for any Backflow Replacement; Lower Maintenance Cost from Corrosion Resistance of Stainless Body; Lead-Free

Backflow Preventer; Type Double Check Valve; Nominal Size 4 Inch; End Connection Flanged x Flanged; End to End Distance 34-7/8 Inch; Body Material 304L Stainless Steel; Disc/Poppet Material EPDM; Spring Material 300 Series Stainless Steel; Seal Material Buna-N O-Ring, EPDM Seal Ring; Temperature Rating 140 Deg F; Pressure Rating 175 PSI; Inclusions/Features 304L Stainless Steel Access Cover, 300 Series Stainless Steel Fastener, Flanged End Outside Screw and Yoke Gate Valve; Application Potable Water; Applicable Standard NSF/ANSI 61, ASSE 1015, AWWA C510/C550, CSA, IAPMO, ANSI B16.1, UL, ULC, FM, CUPC; Lead-Free; Hydrostatic Test Pressure 350 PSI