Swing Check Valve, 509 Series, 3-4 in, FNPT x FNPT, Bronze Body 509 3/4

The MILWAUKEE VALVE 509 is a 3/4 in. swing check valve with an inline bronze body and FNPT x FNPT threaded connections. It uses a hinged swing mechanism configured for one-direction flow and reverse-flow closure. Rated for gas, oil, steam, and water service, it features a full-flow design with an 18 gpm flow rating. Key Features: 3/4 in. nominal valve size with 3/4 in. female NPT connections on both ends Inline swing design with single-flow configuration Bronze body with brass check mechanism and brass seat Cracking pressure: 0.750 to 1.000 psi Flow rating: 18 gpm; Cv: 18 Pressure ratings: 200 psi WOG, 200 psi water pressure at 150 degrees F, 125 psi WSP steam Operating temperature range: -20 degrees F to 406 degrees F Mounting orientation: horizontal or vertical Overall length: 3.19 in. Standards: ASTM B16, ASTM B62