Swing Check Valve, 509 Series, 1 in, FNPT x FNPT, Bronze Body MPN:509 1

• 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.

Additional Information