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

The MILWAUKEE VALVE 509 3 in swing check valve is an inline, single-flow check valve that uses a hinged swing mechanism intended for one-direction flow and reverse-flow closure. It is made of bronze with 3 in FNPT x FNPT threaded connections for general-purpose service with gas, oil, steam, and water. This valve is rated for horizontal or vertical mounting and has an inline body style for piping applications involving backflow control. Key Features: Valve type: Swing check valve with inline body style and hinged swing mechanism. Material: Bronze body, bronze check mechanism, bronze seat, and bronze seal. Connections: 3 in FNPT x FNPT female threaded ends. Flow capacity: 297 gpm with a Cv of 286.4. Cracking pressure: 0.750 to 1.000 psi. Pressure ratings: 200 psi WOG, 125 psi SWP, 200 psi maximum operating pressure, and 200 psi maximum water pressure at 150 degrees F. Steam rating: 125 psi WSP. Temperature range: -20 degrees F to 406 degrees F. Mounting: Horizontal or vertical orientation. Overall length: 6.88 in. Standards: ASTM B16, ASTM B62.