Copper pipe end cap VIEGA 22 mm (model 102951) for sealing copper tubing

The VIEGA copper pipe end cap 22 mm is a solderable fitting designed to seal the open end of 22 mm copper tubing. Manufactured from copper, the cap provides a corrosion-resistant closure suitable for potable water, heating systems and general copper pipework. The fitting can be used for both temporary and permanent sealing and is compatible with standard 22 mm copper pipes for plumbing and service installations.

Advantages

This copper end cap offers durable sealing performance due to its homogeneous copper construction, which ensures good thermal conductivity for reliable solder joints. Its corrosion resistance supports long service life in contact with water and heating media. The simple geometry of the cap enables straightforward soldering and a neat finish on pipework. The part is compact and requires no additional mechanical fastening when correctly soldered.

Suitable for

• Sealing the open ends of 22 mm copper water supply lines
• Temporary closure during pressure testing of plumbing systems
• End capping for heating circuit branches and radiator connections
• General copper tube sealing in renovation and repair work

Key specifications

• Material: copper
• Fitting type: end cap (solderable)
• Nominal pipe size compatibility: 22 mm copper tubing
• Application media: potable water and heating fluids
• Installation method: soldered joint

How to use

Prepare the pipe end by cutting square and deburring the internal and external edges. Clean the outside of the pipe and the inside of the cap with an appropriate abrasive pad or flux brush to remove oxides and contaminants. Apply suitable soldering flux to both mating surfaces. Position the end cap onto the prepared pipe and heat the joint evenly with a propane or MAPP gas torch until the flux activates and solder flows into the joint to form a continuous fillet. Allow the joint to cool naturally and wipe off any remaining flux residues. Verify the seal by conducting a pressure test in accordance with applicable installation standards.

Usage recommendations

Use approved plumbing flux and lead-free solder appropriate for potable water systems. When working on heating or potable water installations, follow local plumbing codes and safety procedures, including adequate ventilation and heat protection. For pressure testing, observe recommended test pressures and durations for copper pipe systems and check joints for leaks before placing the installation into service.