MILWAUKEE VALVE 509Y 3/8" Check Valve, 509Y Series, Y Swing, 3/8 in, FNPT x

The MILWAUKEE VALVE 509Y is a 3/8 in. swing Y check valve with a bronze body and FNPT x FNPT connections. It is configured for one-way flow applications in general-purpose service with gas, oil, steam, and water. The Y-style body features a full-flow design; overall length: 2.13 in.

Key Features:

• Valve type: Swing Y check valve.
• Body material: Cast bronze body with bronze seat and seal materials.
• Check mechanism: Brass swing mechanism.
• Connection size and type: 3/8 in. FNPT x FNPT with female connections on both ends.
• Cracking pressure: 0.5 psi.
• Flow rating: 6 gpm with Cv of 4.3.
• Pressure ratings: 200 psi WOG, 125 psi SWP, and 200 psi at 150 degrees F maximum water pressure.
• Temperature range: -20 degrees F to 425 degrees F.
• Mounting orientation: Horizontal or vertical.
• Standards: ASTM B16, ASTM B505, ASTM B584, MSS SP-80.

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