Welding end cap tube dia 10mm 1/2" nut
On this product page you will find a brass welding cap. These welding caps are soldered to the ends of copper tubes in combination with a welding nut. This round surface seals off when the nut it tightened. The brass material compresses and this seals off the valve. At some point this seal will leak.
This is the biggest size of welding fitting you can...
€2.63
