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MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1 1/2 in Pipe Size, FNPT x FNPT - Bronze Y Swing Check Valves
MILWAUKEE VALVEBronze Y Swing Check Valves

MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1 1/2 in Pipe Size, FNPT x FNPT

The MILWAUKEE VALVE Swing Y Check Valve is a bronze Y-style swing check valve with a 1 1/2 in pipe size and FNPT x FNPT, NPT connections (MPN 509Y 1-1/2"). This valve is designed for reliable backflow prevention in…

SKU 3G-OTH-434163

Also listed as: 509Y112 · 509Y 1 1 2 · 509Y-1-1-2

Brand
MILWAUKEE VALVE
Item
Swing Y Check Valve: Swing, Y-Style Valve Body, 1 1/2 in Pipe Size, FNPT x FNPT
Category
Bronze Y Swing Check Valves
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MILWAUKEE VALVE
Manufacturer Part Number
509Y 1-1/2"
Type
Y-Style Valve Body, FNPT x FNPT, NPT
Pipe Size
1 1/2 in

Technical Documents

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MILWAUKEE VALVE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MILWAUKEE VALVE Swing Y Check Valve is a bronze Y-style swing check valve with a 1 1/2 in pipe size and FNPT x FNPT, NPT connections (MPN 509Y 1-1/2"). This valve is designed for reliable backflow prevention in industrial piping systems, sourced and supported by 3G Electric across 14 industrial departments.

Frequently Asked Questions

What is a MILWAUKEE VALVE Swing Y Check Valve used for?

A MILWAUKEE VALVE Swing Y Check Valve prevents backflow in piping systems. Its Y-style body and FNPT x FNPT NPT connections suit water, oil, and gas applications in industrial plants, HVAC, and plumbing where reliable one-way flow is critical.

What are the specifications of the MILWAUKEE VALVE 509Y 1-1/2"?

The MILWAUKEE VALVE 509Y 1-1/2" is a bronze Y swing check valve with a 1 1/2 in pipe size, FNPT x FNPT NPT connections, and a Y-style valve body. It is designed for durable, leak-resistant backflow prevention in industrial systems.

Where to buy a MILWAUKEE VALVE Swing Y Check Valve worldwide?

3G Electric supplies the MILWAUKEE VALVE Swing Y Check Valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the 509Y 1-1/2" or other sizes.

How to install a MILWAUKEE VALVE Swing Y Check Valve?

Install the MILWAUKEE VALVE Swing Y Check Valve with the flow arrow pointing downstream. Use thread sealant on FNPT connections and avoid overtightening. Ensure the Y-style body is oriented for easy access to the cap for cleaning or inspection.

Used in

Common applications for MILWAUKEE VALVE
Oxygen service systems — Milwaukee Valve oxygen-cleaned brass ball valves (e.g., MPN 17907S) for high-purity gas handling
Potable water distribution — Milwaukee Valve non-rising stem brass gate valves (e.g., MPN UP667 1") for isolation in plumbing networks
Steam and hot water systems — Milwaukee Valve bronze globe valves (e.g., MPN 502 1-1/2) for flow regulation in industrial boilers
Gas and oil pipelines — Milwaukee Valve angle-body globe valves (e.g., MPN 504-3/4) for throttling in fuel supply lines
Process piping — Milwaukee Valve full-port brass ball valves (e.g., MPN UPBA475B 2) for minimal pressure drop in chemical transfer
Drain and vent applications — Milwaukee Valve stainless steel vented ball valves (e.g., MPN 35FSSN0LL-034) for system purging in sanitary processes

MILWAUKEE VALVE Products

3G Electric supplies MILWAUKEE VALVE bronze y swing check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 509Y 1-1/4")
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MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1 in Pipe Size, FNPT x FNPT, Bronze (MPN 509Y 1")
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MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 2 in Pipe Size, FNPT x FNPT, Bronze (MPN 509Y 2")
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1 1/2 in Pipe Size, FNPT x FNPT, NPT (MPN 515Y 1-1/2")
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MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 509Y 1/4")
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MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 509Y 1/4")
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 3/4 in Pipe Size, FNPT x FNPT, NPT (MPN 509Y 3/4")
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MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 3/4 in Pipe Size, FNPT x FNPT, NPT (MPN 509Y 3/4")

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