Swing Check Valve, 515 Series, 1-1/4 in, FNPT x FNPT, Inline Swing, Bronze MPN:515 1-1/4"

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Brand: Milwaukee
Part #: 515 1-1/4"
UPC: 697988619807
SKU
510-G1779741
$641.96 for Order Qty of 4
Regular Price $224.69 Special Price $160.49 Each

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Swing Check Valve, 515 Series, 1-1/4 in, FNPT x FNPT, Inline Swing, Bronze

The Milwaukee 1-1/4in FNPT Bronze Swing Check Valve is a reliable and efficient solution for various industrial applications. Its bronze construction provides excellent corrosion resistance and durability, making it suitable for use in water and steam systems. This check valve allows fluid to flow in one direction while preventing backflow, ensuring a safe and controlled operation. With a flow rate of 54 gallons per minute, it's ideal for applications such as irrigation systems, water treatment plants, and HVAC systems. Its compact size and horizontal mounting orientation make it easy to install in tight spaces, providing a hassle-free solution for a wide range of industrial needs.

Top product features:

  • 1-1/4in FNPT Bronze Swing Check Valve
  • Swings open to allow flow and closes to prevent backflow
  • Features a bronze body and bronze seal for corrosion resistance

Top product applications:

  • Water Supply Systems
  • Steam Distribution Systems
  • Hydroelectric Power Plants
  • The MILWAUKEE VALVE 515 is a 1-1/4 in. swing check valve with an inline bronze body and FNPT x FNPT connections. It is intended for one-direction flow applications and includes a hinged swing mechanism that responds to reverse flow. This valve is intended for backflow-reduction applications in general-purpose piping systems handling gas, oil, steam, or water. It has a full-flow, single-flow design and is rated for horizontal mounting.

    Key Features:

    • Valve type: Swing check valve with inline swing body design
    • Size: 1-1/4 in. nominal valve size and pipe size
    • Connections: 1-1/4 in. female NPT on both ends
    • FNPT x FNPT
    • Body and internal materials: Bronze body, bronze check mechanism, bronze seat, and bronze seal
    • Flow capacity: 54 gpm with a Cv of 54
    • Cracking pressure: 0.500 to 0.750 psi
    • Pressure ratings: 300 psi maximum water pressure at 150 degrees F
    • 150 psi WSP maximum steam pressure
    • Temperature range: -20 degrees F to 406 degrees F
    • Mounting orientation: Horizontal
    • Overall dimensions: 3.56 in. length
    • 2-1/8 in. height
    • Standard: MSS SP-80 Type 3
    • Series: 515


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: 4
  • Unit of Measure: EA
  • Package Length: 15.70
  • Package Width: 11.00
  • Package Height: 3.30
  • Package Weight: 18.90
Product info last updated on February 22, 2026 4:32am UTC Category: Pipes, Valves and Fittings
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