1-1/2 inch Copper Cap Copper x Copper

1-1/2 inch Copper Cap – Wrought Copper End Closure for Pressurized and Non-Pressurized Systems

The 1-1/2 inch copper cap is a solder-joint fitting used to close the end of a copper tube in water supply, hydronic, and mechanical systems. Manufactured from lead-free wrought copper, this fitting is compliant with applicable plumbing codes for use in potable water, heating loops, and general service piping.

Designed with a socket (cup) connection, the cap is intended for sweat (soldered) installation. It provides a permanent seal to terminate open ends in copper tube systems, ensuring code-compliant containment and service closure in both horizontal and vertical configurations.

Technical Specifications

• Material: Wrought copper, lead-free (≤0.25% lead content)
• Nominal Size: 1-1/2 inch
• Connection Type: Cup (sweat/solder)
• Standards: ASME B16.22; NSF/ANSI 61 and 372 compliant
• Application: Potable water, hydronic heating, and mechanical system terminations

Functional Characteristics

• ✅ Code-Compliant Construction: Approved for use in potable water systems in accordance with federal lead-free laws
• ✅ Seamless Fit: Manufactured to ensure accurate socket depth and wall thickness for uniform solder fill
• ✅ Corrosion-Resistant: Copper alloy provides long-term resistance to internal scaling and external degradation

Installation Requirements

Ensure the tubing is properly cleaned and deburred. Apply flux to both mating surfaces and use an even heat source to achieve complete solder penetration around the joint. Allow sufficient cooling and conduct system pressure testing in accordance with local code. This cap is not designed for disassembly or reuse.

Typical Applications

The 1-1/2 inch copper cap is used in:

• Potable cold and hot water distribution lines
• Hydronic heating systems and closed-loop piping
• Service terminations and capped-off outlets during pressure testing
• Renovation or isolation points where future extension may be required

Regulatory Compliance Note

This fitting meets all U.S. requirements for lead-free plumbing components as outlined in the Reduction of Lead in Drinking Water Act. It is certified for contact with drinking water and approved for installation in all 50 states.

The 1-1/2 inch copper cap offers a reliable and permanent closure for copper pipe systems. Its dimensional accuracy, compliance with performance standards, and corrosion-resistant composition make it a trusted component in professional plumbing and mechanical installations.