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Bronze Y-pattern swing check valve, 2 inch sweat connections, 6.375 inch length

Milwaukee Valve

Milwaukee Valve 1509Y 2" Swing Y Check Valve 6.375 in

SKU CH-46T3-MEC2P

A 2-inch bronze swing Y check valve with sweat connections, 0.5 psi cracking pressure and 131 gpm full flow rated to 300 psi at 150 °F

  • Size2 in (5.08 cm)
  • Reliable backflow prevention with Y-pattern swing design
  • Bronze body and seat handle 300 psi water pressure at 150°F
  • Operates from -20°F to 425°F for wide temperature range
  • 5 psi cracking pressure opens with minimal flow
  • 131 gpm full-flow capacity through 2" sweat connections

2" Y-Swing Check Valve Overview

This bronze-body check valve uses a Y-pattern swing mechanism to allow full flow in one direction while preventing backflow. It fits 2-inch copper tubing with sweat connections on both ends and has an overall length of 6.375 inches. The valve operates reliably from -20 to 425 degrees Fahrenheit.

Ideal for Horizontal or Vertical Runs

Installers who need a compact check valve for potable water, hydronic heating or low-pressure steam lines up to 150 psi will find the bronze seat and seal suitable. It is not intended for systems exceeding 300 psi water pressure at 150 degrees F or for applications that require a non-bronze seating surface.

Cracking Pressure and Flow Characteristics

A low cracking pressure of .5 psi means the disc opens with minimal head loss, delivering up to 131 gallons per minute at full flow. The bronze construction resists corrosion in typical plumbing environments without adding external coatings or electronic controls.

How it compares

Measured against everything we stock in Bath Accessories & Soap Dispensers, at today’s prices. Recalculated every night.

Price $333.99
Pricier than about 90% of the 1,499 comparable items (median $39.99).

Specifications

Product
Brand nameMILWAUKEE VALVE
Product typeOther
Size & build
Size2 in (5.08 cm)

Questions about this item

What pipe size and connection type must my plumbing have for the 1509Y valve to fit?

The valve is built for 2-inch copper pipe with sweat-to-sweat connections on both ends.

Can the bronze seat and 0.5 psi cracking pressure handle the low-pressure steam lines I already run?

Yes, it is rated for 150 psi steam working pressure and opens at just 0.5 psi differential.

How do I confirm the swing check is operating correctly once installed?

Verify flow reaches 131 gpm with full-flow opening and no leakage when back-pressure is applied.

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