Check Valve; Type In-Line, Poppet; Applicable Standard NSF/ANSI 61G, ISO 9001, UPC; Nominal Size 1/2"; End Connection Female Threaded x Female Threaded; Body Material Brass; Spring Material 316 Stainless Steel; Pressure Rating 300 PSI; Inclusions/Features Celcon Poppet, Soft Seat, Stainless Steel Spring; Application Plumbing; Lead Free; Weight 29 Lb; Packaging Quantity 100 per Case; Warranty Lifetime