1. The two ferrules at right in photo are 1.5" and 1" triclamp one by one.
2. The ferrule thickness on top is based on 1.65mm, we also can provide 1.5mm if you need it, and 1.65/1.5mm wall clamp ferrule can be weled on 1.5mm pipe with the same outter diameter.
3. 10" clamp with 268.5mm clamp flange, and 254mm out diameter.