Watts 9D-1/2-M3 Dual Check Valve

Dual Check Valve; Type Dual Check Valve; Valve Configuration Vertical, Horizontal; Nominal Size 1/2 Inch; End Connection Female Threaded Union x Female Threaded Union; End to End Distance 4-15/16 Inch; Body Material Brass; Disc/Poppet Material Stainless Steel; Spring Material Stainless Steel; Seat Material Rubber; Temperature Rating 33 to 250 Deg F; Pressure Rating 175 PSI; Inclusions/Features Intermediate Atmospheric Vent; Application Laboratory Equipment, Processing Tank, Sterilizer, Dairy Equipment; Applicable Standard ASSE 1012, CSA B64