1-1/4" FNPT Bronze Swing Y Check Valve MPN:508 1-1/4"

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Brand: Milwaukee
Part #: 508 1-1/4"
UPC: 697988619616
SKU
510-G3323747
Regular Price $324.51 Special Price $231.79

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1-1/4" FNPT Bronze Swing Y Check Valve

This 1-1/4in FNPT Bronze Swing Y Check Valve from Milwaukee is designed for horizontal mounting and features a single flow design with a Y swing mechanism. Made from durable bronze, it offers a maximum temperature of 550°F and a minimum temperature of -20°F. The valve's cracking pressure is between 0.500 to 0.750 psi, and it can handle up to 400 psi of water pressure at 150°F. Ideal for use in plumbing, HVAC, and industrial applications, this valve provides reliable check valve functionality and is suitable for use with water and steam.

Top product features:

  • Swing design allows for easy installation and maintenance
  • Single flow design allows for high flow rates
  • Chrome, Cobalt seal material provides resistance to corrosion and wear

Top product applications:

  • Hot Water Systems
  • Steam Distribution Systems
  • Hydronic Heating Systems
  • The MILWAUKEE VALVE 508 is a 1-1/4 in. swing Y check valve with FNPT threaded connections on both ends. It features a bronze swing check mechanism in a Y-style cast bronze body for one-way flow and backflow-prevention applications in general-purpose piping systems handling gas, oil, steam, and water. The Y-pattern body and full-flow design has a rated flow capacity of 54 gpm and Cv of 39.

    Key Features:

    • Valve type: Swing Y check valve with Y-style body and swing mechanism
    • Size and connections: 1-1/4 in. FNPT x FNPT, female NPT on both ends
    • Body and internal materials: Cast bronze body with bronze check mechanism, seat, and seal material
    • Flow rating: 54 gpm flow capacity
    • Cv 39
    • Cracking pressure: 0.500 to 0.750 psi
    • Pressure ratings: 400 psi WOG, 400 psi at 150 degrees F water, 200 psi WSP steam
    • Temperature range: -20 degrees F to 550 degrees F
    • Mounting orientation: Horizontal
    • Standard: MSS SP-80 Type 3
    • Valve series: 508


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: 15.70
  • Package Width: 11.00
  • Package Height: 3.30
  • Package Weight: 13.55
Product info last updated on March 18, 2026 2:09pm UTC Category: Pipes, Valves and Fittings
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In stock