VIEGA 90° elbow 15 x 3/4 in, copper-silicon brazed, polished — pipe connector

The VIEGA 90° elbow 15 x 3/4 in is a right-angle pipe connector designed to join a 15 mm copper pipe to a 3/4 inch threaded or pipe connection. Manufactured with copper-silicon brazing and a polished surface, the fitting provides a durable, corrosion-resistant transition between metric and imperial piping sizes. It is intended for use in plumbing, heating and sanitary systems where a compact, sturdy elbow is required to change flow direction while maintaining a reliable joint.

Advantages

The copper-silicon brazed construction delivers strong metallurgical joints that resist vibration and thermal stresses. The polished finish reduces surface imperfections and aids corrosion resistance in common domestic and commercial environments. The 90° geometry ensures a compact change of direction with minimal space requirements, and the combination of a 15 mm connection and 3/4 inch connection permits straightforward integration between metric copper piping and imperial threaded components.

Suitable for

• Domestic and commercial plumbing systems
• Heating installations, including radiators and boiler connections
• Sanitary fixtures and bathroom assemblies
• Connections between metric copper pipework and imperial threaded valves or fittings

Key specifications

• Angle: 90 degrees
• Inlet size: 15 mm
• Outlet size: 3/4 inch
• Material and joint method: copper-silicon brazed
• Surface: polished finish
• Application: plumbing, heating, sanitary installations

How to use

Prepare both mating surfaces by cleaning and fluxing according to standard brazing practice for copper-silicon assemblies. Fit the elbow onto the 15 mm copper pipe and align the 3/4 inch connection with the corresponding threaded or socket component. Apply heat evenly to the joint area until the brazing alloy flows and creates a continuous fillet. Allow the assembly to cool naturally before handling. Finalize the installation by checking alignment and leak-testing the system at working pressure.

Usage recommendations

Use appropriate flux and brazing alloy compatible with copper-silicon joints, and follow local codes and manufacturer guidance for brazing temperatures and safety. Ensure thread sealing methods suitable for the 3/4 inch connection are applied where required, and perform pressure tests after installation to confirm leak-tightness.