Brass PE Check Valve – Double Union One-Way Connector

Brass PE Check Valve – Double Union, One-Way Flow Control

Upgrade your plumbing or irrigation system with this precision-engineered Brass PE Check Valve. Designed with a double union, quick-release connection and hot-melt compatibility, this one-way valve ensures fluid flows in only one direction — protecting your pipework from backflow and maintaining consistent system pressure. Suitable for both horizontal and vertical installations, it's a versatile and reliable choice for home plumbing, garden irrigation, water treatment, and more.

Key Features

• Material: High-quality copper (brass) construction for excellent corrosion resistance and long service life
• One-Way Flow: Prevents backflow to keep your water or fluid system running safely and efficiently
• Double Union Design: Easy to install and remove without cutting pipes — perfect for maintenance
• Quick-Release Connection: Tool-free assembly for fast, secure fitting
• Dual-Direction Install: Compatible with both horizontal and vertical pipe orientations
• Hot Melt Compatible: Works seamlessly with PE (polyethylene) hot-melt pipe systems
• Max Operating Pressure: Up to 850 kPa — suitable for residential and light commercial applications
• Made in Mainland China

What is a Check Valve?

A check valve (also called a one-way valve or non-return valve) is a mechanical device that allows fluid to flow in only one direction. It automatically closes when flow reverses, protecting pumps, water heaters, boilers, and irrigation systems from damage caused by backflow. Learn more about plumbing safety standards at the U.S. Consumer Product Safety Commission (CPSC).

Ideal Applications

• Residential water supply lines
• Garden drip irrigation and sprinkler systems
• Swimming pool and spa plumbing
• Water filtration and treatment systems
• Solar water heating loops
• Light commercial fluid control

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Learn more: Check valve

Frequently Asked Questions

Q: What pipe sizes is this brass PE check valve compatible with?

A: This check valve is designed for use with PE (polyethylene) pipe systems using hot-melt connections. Please verify the pipe diameter of your existing system against the product variant options to ensure the correct fit before purchasing.

Q: Can this check valve be installed in both horizontal and vertical orientations?

A: Yes. This double union check valve is engineered for flexible installation — it functions correctly in both horizontal and vertical pipe configurations, making it highly versatile for a wide range of plumbing setups.

Q: What is the maximum working pressure for this valve?

A: This brass one-way valve is rated for operating pressures of up to 850 kPa, making it well-suited for residential water supply lines, garden irrigation, and light commercial fluid systems.

Q: Is the double union design easy to maintain?

A: Absolutely. The double union construction allows you to disconnect and remove the valve without cutting or disturbing surrounding pipes, making routine inspection and maintenance quick and straightforward.