Copper coupling SANHA 5270 22 mm (1527022) for soldered plumbing connections

Copper coupling SANHA 5270 22 mm is a straight solder-type connector designed to join two 22 mm copper pipes in plumbing and heating systems. Manufactured from copper, the coupling delivers a corrosion-resistant joint for potable water, central heating circuits and general plumbing repairs where a soldered connection is specified. The simple cylindrical form supports reliable capillary solder flow and stable mechanical contact between pipe and fitting.

Advantages

The copper construction provides good thermal conductivity and corrosion resistance for long service life in water and heating applications. The standardized 22 mm nominal diameter ensures compatibility with common copper pipe sizes used in residential and commercial installations. The straight coupling design allows for quick alignment of pipe ends and a neat, compact joint once soldered. Using a soldered joint eliminates the need for additional sealing compounds in applications intended for tin-silver or lead-free plumbing solders.

Suitable for

• Joining two 22 mm copper pipes in potable water supply lines
• Connections in domestic and commercial heating circuits
• General plumbing repairs requiring a soldered copper joint
• Retrofit and replacement work on existing copper pipework

Key specifications

• Material: copper
• Type: straight solder coupling
• Nominal diameter: 22 mm
• Connection method: capillary soldering
• Application: potable water and heating systems

How to use

Prepare pipe ends by cutting square and removing burrs, then clean the outside of the pipe and the inside of the coupling with an appropriate abrasive cloth or brush to bright metal. Apply flux suitable for plumbing solder to the mating surfaces, insert the pipes fully into the coupling and heat evenly until solder flows into the joint by capillary action. Allow the joint to cool naturally and then remove any residual flux to prevent corrosion. Ensure the system is pressure-tested according to local regulations before putting into service.

Usage recommendations

Use lead-free plumbing solder and flux that comply with potable water regulations. For reliable results, follow local codes for brazing/soldering temperatures and pressure testing procedures; consider using a backing ring or pipe support during soldering to maintain alignment in constrained spaces.