T6 Merge

[Camaro9969]

The plate is for backpurging the welds there is gas running through the clear line. If your asking about what the fitting is its a quick connect fitting

[ZFreie]

Originally Posted by Camaro9969

The plate is for backpurging the welds there is gas running through the clear line.

and that makes the weld able to penetrate through to to back of the piece?

[Camaro9969]

Originally Posted by ZFreie

and that makes the weld able to penetrate through to to back of the piece?

It creates a protective barrier to prevent oxygen from polluting the back side of the weld (sugaring).