Swing Y Check Valve, 3 in, 509Y Series, FNPT x FNPT, Bronze Body 509Y 3"

The MILWAUKEE VALVE 509Y is a 3 in. swing Y check valve with a bronze body and FNPT x FNPT connections. It is intended for use in one-way flow applications in general purpose piping systems for gas, oil, steam, and water. The Y-style body and swing mechanism have a full-flow specification, with a 0.5 psi cracking pressure and a rated flow of 297 gpm. Key Features: Valve type: Swing Y check valve with Y-pattern body design Body material: Cast bronze; check mechanism, seat, and seal are bronze Connection size and type: 3 in. FNPT x FNPT with female connections on both ends Flow capacity: 297 gpm; Cv: 240 Pressure ratings: 200 psi WOG, 125 psi SWP, 125 psi WSP, and 200 psi at 150 degrees F maximum water pressure Temperature range: -20 degrees F to 425 degrees F Mounting orientation: Horizontal or vertical Full-flow specification: Yes Overall length: 7 7/8 in. Standards: ASTM B16, ASTM B505, ASTM B584, MSS SP-80