Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MILWAUKEE VALVE 509Y-P2 - 012 Bronze Y Swing Check Valve, 1/2 in, Press x Press - Bronze Y Swing Check Valves
MILWAUKEE VALVEBronze Y Swing Check Valves

MILWAUKEE VALVE 509Y-P2 - 012 Bronze Y Swing Check Valve, 1/2 in, Press x Press

The MILWAUKEE VALVE Swing Check Valve is a bronze Y-style swing check valve with a 1/2 in pipe size and Press x Press connections. This valve, model 509Y-P2 - 012, is designed for reliable backflow prevention in…

SKU 3G-OTH-434185

Also listed as: 509YP2012 · 509Y P2 012 · 509Y-P2-012

Brand
MILWAUKEE VALVE
Item
509Y-P2 - 012 Bronze Y Swing Check Valve, 1/2 in, Press x Press
Category
Bronze Y Swing Check Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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-P2 - 012
Type
Y-Style Valve Body, Press x Press, Press
Pipe Size
1/2 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MILWAUKEE VALVE Swing Check Valve is a bronze Y-style swing check valve with a 1/2 in pipe size and Press x Press connections. This valve, model 509Y-P2 - 012, is designed for reliable backflow prevention in industrial piping systems.

Frequently Asked Questions

What is a MILWAUKEE VALVE swing check valve used for?

A MILWAUKEE VALVE swing check valve prevents backflow in piping systems. The Y-style body design reduces pressure drop, making it suitable for water, oil, and gas applications in commercial and industrial settings where flow direction control is critical.

What are the specifications of the MILWAUKEE VALVE 509Y-P2 - 012?

The MILWAUKEE VALVE 509Y-P2 - 012 is a bronze Y swing check valve with a 1/2 inch pipe size and press x press connections. It is designed for reliable backflow prevention in compact piping systems, with a Y-style body for reduced turbulence.

Where to buy MILWAUKEE VALVE swing check valves worldwide?

3G Electric supplies MILWAUKEE VALVE swing check valves worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead times on the 509Y-P2 - 012 or other models.

How to install a MILWAUKEE VALVE press x press swing check valve?

Install the MILWAUKEE VALVE swing check valve in horizontal or vertical upward flow, ensuring the flow arrow matches pipe direction. Use the manufacturer's press tool for press connections. Always follow local plumbing codes and test for leaks after installation.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
MILWAUKEE VALVE Swing Check Valve: Swing, Y-Style Valve Body, 1 1/2 in Pipe Size, Press x Press, Std (MPN 509Y-P2 - 112)
MILWAUKEE VALVE
MILWAUKEE VALVE Swing Check Valve: Swing, Y-Style Valve Body, 1 1/2 in Pipe Size, Press x Press, Std (MPN 509Y-P2 - 112)
MILWAUKEE VALVE Swing Check Valve: Swing, Y-Style Valve Body, 1 1/4 in Pipe Size, Press x Press, Std (MPN 509Y-P2 - 114)
MILWAUKEE VALVE
MILWAUKEE VALVE Swing Check Valve: Swing, Y-Style Valve Body, 1 1/4 in Pipe Size, Press x Press, Std (MPN 509Y-P2 - 114)
This bronze Y-style swing check valve features a 1 in press x press connection. It is designed to prevent backflow in piping systems, allowing flow in one direction only. Common applications include water, oil, and gas lines in commercial and industrial settings
MILWAUKEE VALVE
This bronze Y-style swing check valve features a 1 in press x press connection. It is designed to prevent backflow in piping systems, allowing flow in one direction only. Common applications include water, oil, and gas lines in commercial and industrial settings
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1/2 in Pipe Size, FNPT x FNPT, NPT (MPN 508-1/2")
MILWAUKEE VALVE
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 1/2 in Pipe Size, FNPT x FNPT, NPT (MPN 508-1/2")
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 2 1/2 in Pipe Size, FNPT x FNPT, NPT (MPN 507 2-1/2)
MILWAUKEE VALVE
MILWAUKEE VALVE Swing Y Check Valve: Swing, Y-Style Valve Body, 2 1/2 in Pipe Size, FNPT x FNPT, NPT (MPN 507 2-1/2)
Bronze Y-style swing check valve with 1/4 in FNPT x FNPT NPT connections. Designed for unidirectional flow control, the swing disc automatically closes to prevent backflow in piping systems. Suitable for water, oil, and gas applications where low-pressure drop and reliable backflow prevention are required
MILWAUKEE VALVE
Bronze Y-style swing check valve with 1/4 in FNPT x FNPT NPT connections. Designed for unidirectional flow control, the swing disc automatically closes to prevent backflow in piping systems. Suitable for water, oil, and gas applications where low-pressure drop and reliable backflow prevention are required

More from MILWAUKEE VALVE

View all MILWAUKEE VALVE parts →
Bronze Y-style swing check valve with 3/4 in FNPT x FNPT NPT connections. The swing disc permits flow in one direction and automatically closes upon flow reversal to prevent backflow in piping systems
MILWAUKEE VALVE
Bronze Y-style swing check valve with 3/4 in FNPT x FNPT NPT connections. The swing disc permits flow in one direction and automatically closes upon flow reversal to prevent backflow in piping systems
Bronze Y-style swing check valve with 2-1/2" FNPT x FNPT NPT connections. The Y-shaped body and swing disc permit flow in one direction and close automatically upon flow reversal, preventing backflow in piping systems
MILWAUKEE VALVE
Bronze Y-style swing check valve with 2-1/2" FNPT x FNPT NPT connections. The Y-shaped body and swing disc permit flow in one direction and close automatically upon flow reversal, preventing backflow in piping systems
This bronze Y-style swing check valve has a 1-1/4 in pipe size with FNPT x FNPT NPT connections. It prevents backflow in piping systems by allowing flow in one direction and closing automatically when flow reverses. Suitable for water, oil, and gas lines in industrial applications
MILWAUKEE VALVE
This bronze Y-style swing check valve has a 1-1/4 in pipe size with FNPT x FNPT NPT connections. It prevents backflow in piping systems by allowing flow in one direction and closing automatically when flow reverses. Suitable for water, oil, and gas lines in industrial applications
This bronze Y-style swing check valve features a 3/4 in pipe size with press x press connections. It is designed to prevent backflow in piping systems, allowing flow in one direction only. Typical applications include water, HVAC, and process systems where one-way flow control is required
MILWAUKEE VALVE
This bronze Y-style swing check valve features a 3/4 in pipe size with press x press connections. It is designed to prevent backflow in piping systems, allowing flow in one direction only. Typical applications include water, HVAC, and process systems where one-way flow control is required
Bronze Y-style swing check valve with press x press connections for 2 in pipe. Prevents backflow in piping systems. Suitable for water, HVAC, and process applications requiring one-way flow control
MILWAUKEE VALVE
Bronze Y-style swing check valve with press x press connections for 2 in pipe. Prevents backflow in piping systems. Suitable for water, HVAC, and process applications requiring one-way flow control
Bronze Y-style swing check valve with 2 in FNPT x FNPT connections. Designed for backflow prevention in piping systems handling water, oil, or gas
MILWAUKEE VALVE
Bronze Y-style swing check valve with 2 in FNPT x FNPT connections. Designed for backflow prevention in piping systems handling water, oil, or gas
This bronze Y-style swing check valve features a 1/2 in pipe size with FNPT x FNPT NPT connections. The swing disc mechanism prevents backflow in piping systems, while the Y-shaped body allows straight-through flow and easy maintenance access. Suitable for water, oil, and gas applications in commercial and industrial facilities
MILWAUKEE VALVE
This bronze Y-style swing check valve features a 1/2 in pipe size with FNPT x FNPT NPT connections. The swing disc mechanism prevents backflow in piping systems, while the Y-shaped body allows straight-through flow and easy maintenance access. Suitable for water, oil, and gas applications in commercial and industrial facilities
Bronze Y-style swing check valve with 1/4 inch FNPT x FNPT NPT connections. The swing disc design allows flow in one direction only, preventing backflow in piping systems. Suitable for horizontal or vertical upward flow installations in water, oil, and gas applications
MILWAUKEE VALVE
Bronze Y-style swing check valve with 1/4 inch FNPT x FNPT NPT connections. The swing disc design allows flow in one direction only, preventing backflow in piping systems. Suitable for horizontal or vertical upward flow installations in water, oil, and gas applications