MILWAUKEE VALVE 509 1/2 Check Valve, 509 Series, Swing, 1/2 in Pipe Size, FNPT

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

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