أنبوب قبعة نهاية الحامض dia 12 mm nut 1/2

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 find for espresso machines. This type can be found for instance on the feed and return tubing on a Faema E61 brewing group. In this location is high volume needed

Seen this is the biggest type of welding fitting, this also uses the biggest size of copper tubing. The outer diameter of these copper tubes is 12mm with a wall thickness of 1mm. the type of welding fitting used is a ½”female BSP-G fitting with a central hole with a diameter of 14mm. In the accessory tab you will find the matching items.