Check Valve, 509 Series, Swing, 1/2 in Pipe Size, FNPT x FNPT, Bronze Body MPN:509 1/2

• The MILWAUKEE VALVE 509 is a 1/2 in. swing check valve with an inline bronze body and FNPT x FNPT threaded connections. It uses a hinged swing mechanism and is configured for one-direction flow and reverse-flow checking. This valve is rated for gas, oil, steam, and water service and features a full-flow design with a 10 gpm flow rating.

  Key Features:

  • Valve type: Swing check valve with inline body design
  • Body material: Bronze
  • Check mechanism material: Brass
  • Connection size: 1/2 in. on both sides
  • Connection type: FNPT x FNPT, female NPT threaded ends
  • Cracking pressure: 0.750 to 1.000 psi
  • Flow capacity: Cv 10
  • 10 gpm
  • Pressure ratings: 200 psi at 150 degrees F for water
  • 125 psi WSP steam
  • 125 psi SWP
  • 200 psi WOG maximum pressure
  • Temperature range: -20 degrees F to 406 degrees F
  • Mounting orientation: Horizontal or vertical
  • Seat material: Brass
  • Seal material: Bronze
  • Overall length: 2.25 in.
  • Standards: ASTM B16, ASTM B62

Additional Information