1/2 inch Copper Coupling less Stop Copper x Copper

1/2 inch Copper Slip Coupling – Full-Flow Repair Fitting for Copper Tube Systems

The 1/2 inch Copper Slip Coupling is a straight repair fitting used in copper piping systems to join two sections of copper tube without the need for threaded or flared connections. This coupling is machined to tight tolerances and designed for sweat (soldered) installation in potable water, hydronic heating, or other copper-based pressurized systems.

Manufactured from lead-free, wrought copper material conforming to ASTM B75 and ASME B16.22, this slip coupling offers reliable performance under varying pressure and temperature conditions. It is compatible with Type L and Type M copper tubing and is rated for aboveground and belowground installations.

Fitting Characteristics

• ✅ Material: Lead-free copper alloy (typically C12200 per ASTM B75).
• ✅ Configuration: Copper x Copper slip ends with no internal stop, allowing for full insertion during repairs or extensions.
• ✅ Application: Used for in-line repairs or pipe extensions where one end must slide over existing tubing.
• ✅ Pressure Rating: Suitable for systems up to 200 PSI at 180°F (varies with joint material and installation method).
• ✅ Compliance: NSF/ANSI 61 and 372 certified; meets all current lead-free regulations for potable water systems.

Installation Guidelines

Slip couplings require proper cleaning, fluxing, and soldering of both mating surfaces. For repair applications, one end of the fitting is slipped completely over one pipe, then aligned and centered over the joint. Heat and lead-free solder are applied to form a watertight seal. This installation should follow IPC/UPC code and standard copper soldering practices. Use in systems subject to inspection requires installation by qualified personnel.

Common Use Cases

Typically used in residential and commercial copper water supply systems for in-line repairs or retrofitting. The slip design allows it to bridge gaps where pipe sections have been removed due to corrosion, freezing, or mechanical damage. It is also used in HVAC and process piping where brazed or soldered copper joints are required in tight or inaccessible areas.

Code Compliance Insight

All copper fittings used in drinking water applications are required by federal law to meet lead-free standards (<0.25% lead content by weight across wetted surfaces). This slip coupling complies with those regulations and is approved for use in domestic water systems in all U.S. jurisdictions.

Technical Specifications

• Nominal Size: 1/2 inch
• Material Standard: ASTM B75, ASME B16.22
• End Type: Solder x Solder (Slip Design – No Center Stop)
• Certifications: NSF/ANSI 61, NSF/ANSI 372