Swing Y Check Valve, 1/4 in, FNPT x FNPT, Bronze Body MPN:515Y 1/4"

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Brand: Milwaukee
Part #: 515Y 1/4"
UPC: 697988642492
SKU
510-G4221682
Regular Price $127.11 Special Price $90.79

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Swing Y Check Valve, 1/4 in, FNPT x FNPT, Bronze Body

The Milwaukee 1/4in FNPT Bronze Swing Y Check Valve is a reliable and efficient solution for various applications. Ideal for use in water supply systems, HVAC, and industrial processes, this valve ensures one-way flow while preventing backflow and water hammer. Its bronze construction and 0.5 psi cracking pressure make it suitable for temperatures ranging from -20°F to 425°F and pressures up to 300 psi. With a flow rate of 3.3 gpm, this valve is perfect for residential and commercial plumbing, as well as in chemical processing and food and beverage industries, where precise control and safety are essential.

Top product features:

  • 1/4in FNPT Bronze Swing Y Check Valve from Milwaukee
  • Swing Y design allows for easy installation and maintenance
  • Bronze construction provides durability and resistance to corrosion

Top product applications:

  • Steam Traps
  • Hydraulic Systems
  • Water Circulation Systems

The MILWAUKEE VALVE 515Y is a 1/4 in. swing Y check valve with a bronze body and FNPT x FNPT threaded connections. It is intended for one-way flow in general-purpose piping systems for specified compatible media: gas, oil, steam, and water. The Y-style body and swing check mechanism support full flow, with a 0.5 psi cracking pressure and a rated flow of 3.3 gpm.

Key Features:

  • Valve type: Swing Y check valve with Y-style body and swing mechanism
  • Body and wetted materials: Cast bronze body with bronze check mechanism, seal, and seat
  • Connection size and type: 1/4 in. FNPT x FNPT threaded ends
  • Pressure ratings: 300 psi WOG, 300 psi water pressure at 150 degrees F, 150 psi WSP steam
  • Temperature range: -20 degrees F to 425 degrees F
  • Flow data: Cv 2.3, flow rate 3.3 gpm, full flow: Yes
  • Mounting orientation: Horizontal or vertical
  • Dimensions: 2.25 in. overall length, 1-3/4 in. overall height, 3/8 in. width
  • Standards: Meets multiple ASTM and MSS standards

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: 2.50
  • Package Width: 2.30
  • Package Height: 1.30
  • Package Weight: 0.60
Product info last updated on February 15, 2026 7:16pm UTC Category: Pipes, Valves and Fittings
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