1/2" Bronze Lift Check Valve, Lead-Free, Vertical, Iron Pipe x Iron Pipe

Dependable Backflow Protection – NIBCO® 1/2" Bronze Spring-Loaded Lift Check Valve

The NIBCO® 1/2" Bronze Lift Check Valve is engineered for dependable backflow prevention in potable water systems. This compact, spring-actuated valve provides automatic closure to stop reverse flow, maintaining system integrity and water purity across a wide range of commercial and residential plumbing applications.

Constructed from lead-free, corrosion-resistant bronze, the valve offers long service life and consistent performance. It can be installed in either horizontal or vertical (up-flow only) orientations and is equipped with NPT threaded ends for straightforward integration into copper, brass, or galvanized pipe systems.

Performance Advantages

• Spring-Loaded Lift Mechanism – Disc closes automatically when flow reverses, helping protect system components and prevent contamination.
• Lead-Free Bronze Body – NSF/ANSI 61 and 372 certified for potable water applications, ensuring health code compliance.
• Versatile Orientation – Suitable for horizontal lines or vertical upflow installations without performance loss.
• Threaded Connections (NPT) – Simplifies installation and maintenance in new systems or retrofits.
• High Pressure/Temperature Tolerance – Rated to 250 psi and 300°F, supporting broad application use including domestic hot water systems.

Specifications

• Valve Type: Spring-Loaded Lift Check
• Nominal Size: 1/2 inch
• Body Material: Lead-Free Bronze
• End Connections: FNPT x FNPT
• Maximum Working Pressure: 250 psi
• Maximum Operating Temperature: 300°F
• Certifications: NSF/ANSI 61, NSF/ANSI 372
• Manufacturer Warranty: 5-Year Limited

Installation Notes

This valve is intended for inline installation with attention to proper flow direction (arrow cast into body). No external actuator is required. While installation is straightforward using standard plumbing tools and pipe thread sealant, proper torque application and alignment are essential to ensure leak-free operation. Installation by a licensed plumber is recommended to meet code requirements and avoid rework.

For the Trade

Contractor Applications: The NIBCO® lift check valve is an ideal solution for commercial water systems, residential builds, and renovation work where code compliance, flow reliability, and ease of installation are priorities. Use it in potable lines, hydronic heating loops, or any system requiring passive backflow prevention without complex mechanisms.

Summary

Built to perform and certified for potable water systems, the NIBCO® 1/2" Bronze Lift Check Valve combines compact design with reliable, self-acting backflow protection. With its high-pressure rating and durable bronze construction, it's a solid addition to any professional-grade plumbing system.