Brass Check Valve Union Fitting – One-Way Threaded Water Valve

Brass Threaded Check Valve Union Fitting – Reliable One-Way Flow Control

Keep your water system flowing in the right direction with this durable Brass Check Valve Union Fitting. Designed with both male and female threaded connections, this one-way valve prevents backflow and reverse flow in water meters, plumbing lines, irrigation systems, and more. Built from high-quality copper alloy brass, it delivers long-lasting performance even under demanding conditions.

Key Features

• Material: Premium copper/brass construction for corrosion resistance and durability
• One-Way Flow: Effectively prevents reverse flow and backflow, protecting your plumbing system
• Dual Threading: Features both male and female threaded ends for versatile installation
• Union Design: Easy to install, remove, and maintain without cutting pipes
• Max Pressure Rating: Rated for up to 850 kPa – suitable for standard residential and light commercial applications
• Expandable Fit: Compatible with a wide range of standard pipe sizes
• Leak-Resistant Seal: Precision-machined threads ensure a tight, secure connection

Ideal Applications

• Water meters and water supply lines
• Residential and commercial plumbing systems
• Garden and irrigation setups
• Heating and cooling water circuits
• Industrial fluid control systems

Specifications

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Helpful Resources

For guidance on safe plumbing installation standards and consumer product safety, visit the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Check valve

Frequently Asked Questions

Q: What does a brass check valve union fitting do?

A: A brass check valve union fitting allows water or fluid to flow in one direction only, preventing backflow or reverse flow that could damage equipment, meters, or pipes. The union design also makes it easy to disconnect and service the valve without cutting into your pipework.

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

A: This valve features standard male and female threaded connections and is designed to be expandable, making it compatible with a range of common pipe sizes used in residential and light commercial plumbing systems. Please verify your pipe thread size before ordering.

Q: Is this check valve suitable for outdoor or irrigation use?

A: Yes. The brass construction offers excellent resistance to corrosion, making this check valve well-suited for outdoor plumbing, garden irrigation lines, and water meter installations where moisture exposure is common.

Q: What is the maximum pressure this valve can handle?

A: This check valve is rated for pressures under 850 kPa, which covers most standard residential water supply systems and light commercial applications.