Swing Check Valve, 509 Series, 2 in, FNPT x FNPT, Bronze Body MPN:509 2

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Brand: Milwaukee
Part #: 509 2
UPC: 697988580862
SKU
510-G0390117
Regular Price $362.31 Special Price $258.79

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Swing Check Valve, 509 Series, 2 in, FNPT x FNPT, Bronze Body

This 2-inch FNPT bronze swing check valve from Milwaukee is designed for reliable flow control in a variety of applications. Suitable for horizontal or vertical mounting, it features a single flow design and is constructed from durable bronze for high-temperature and pressure resistance. With a cracking pressure of 0.750 to 1.000 psi, it ensures smooth operation and minimizes wear and tear. Ideal for use in steam and water systems, this check valve delivers 131 gpm of flow and can withstand temperatures up to 406°F, making it a reliable choice for industrial and commercial applications.

Top product features:

  • It has a single flow design that allows for efficient fluid flow.
  • It features an inline swing mechanism that enables easy operation and maintenance.
  • It has a bronze body and seal material that provides corrosion resistance and durability.

Top product applications:

  • Steam Distribution Systems
  • HVAC Systems
  • Water Treatment Plants
  • The MILWAUKEE VALVE 509 is a 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 check operation. This valve is rated for use with gas, oil, steam, and water, and is specified for horizontal or vertical mounting.

    Key Features:

    • 2 in. nominal valve size with 2 in. female NPT connections on both ends
    • Inline swing design with single-flow path and full-flow construction
    • Bronze body, bronze check mechanism, bronze seat, and bronze seal material
    • Flow capacity: 131 gpm
    • Cv: 131
    • Cracking pressure: 0.750 to 1.000 psi
    • Maximum water pressure: 200 psi at 150 degrees F
    • Maximum steam pressure: 125 psi WSP
    • Operating temperature range: -20 degrees F to 406 degrees F
    • Overall length: 4.75 in.
    • cap to inlet center: 2-13/16 in.
    • Standards: ASTM B16, ASTM B62


Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 4.80
  • Package Width: 4.50
  • Package Height: 3.00
  • Package Weight: 4.38
Product info last updated on February 1, 2026 10:34am UTC Category: Pipes, Valves and Fittings
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