MILWAUKEE VALVE 509 1 Swing Check Valve, 509 Series, 1 in, FNPT x FNPT, Bronze

The MILWAUKEE VALVE 509 1 swing check valve is an inline, single-flow check valve that uses a swing mechanism for one-direction flow and reverse-flow closure. It features a bronze body with 1 in FNPT x FNPT female threaded connections. Service media include gas, oil, steam, and water. Mounting orientation: horizontal or vertical.

Key Features:

• Type: Swing check valve with inline body style and single-flow design.
• Size and connections: 1 in nominal valve size with female NPT threaded connections on both ends (FNPT x FNPT).
• Materials: Bronze body; brass check mechanism; bronze seal; brass seat.
• Flow capacity: 31 gpm flow rating with a Cv of 31.
• Cracking pressure: 0.750 to 1.000 psi.
• Pressure ratings: 200 psi maximum operating pressure, 200 psi at 150 degrees F maximum water pressure, and 125 psi WSP maximum steam pressure.
• Temperature range: -20 degrees F to 406 degrees F.
• Dimensions: 3.25 in overall length; 2 in cap to inlet center.
• Standards: ASTM B16, ASTM B62.
• Counterweight: No counterweight.

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