Swing Y Check Valve, 3 in, 509Y Series, FNPT x FNPT, Bronze Body
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The MILWAUKEE VALVE 509Y is a 3 in. swing Y check valve with a bronze body and FNPT x FNPT connections. It is intended for use in one-way flow applications in general purpose piping systems for gas, oil, steam, and water. The Y-style body and swing mechanism have a full-flow specification, with a 0.5 psi cracking pressure and a rated flow of 297 gpm.
Key Features:
- Valve type: Swing Y check valve with Y-pattern body design
- Body material: Cast bronze; check mechanism, seat, and seal are bronze
- Connection size and type: 3 in. FNPT x FNPT with female connections on both ends
- Flow capacity: 297 gpm; Cv: 240
- Pressure ratings: 200 psi WOG, 125 psi SWP, 125 psi WSP, and 200 psi at 150 degrees F maximum water pressure
- Temperature range: -20 degrees F to 425 degrees F
- Mounting orientation: Horizontal or vertical
- Full-flow specification: Yes
- Overall length: 7 7/8 in.
- Standards: ASTM B16, ASTM B505, ASTM B584, MSS SP-80
- Ship Pack Height: 5
- Ship Pack Length: 8
- Ship Pack Width: 8
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