Series CVY, CVYS Bronze Wye Pattern Swing Check Valves are used in commercial and industrial applications to prevent reverse flow. They feature a bronze body wye pattern design, bronze cap, bronze disc, and brass hanger pin. Model CVY is available in sizes 3/8 to 2 in. (10 to 50mm) with NPT female threaded end connections. Model CVYS is available in sizes 1/2 to 2 in. (15 to 50mm) with solder end connections. Series CVY, CVYS has metal-to-metal seating and provides low pressure drop and automatic closure when fluid flow is stopped. Maximum Pressure: 200psi (13.8 bar) WOG (non-shock), 125psi (8.6 bar) WSP.