- For plate thickness up to 16 mm Single V may be used, Bevel should be provided inside the shell as far as possible to perform back chipping or back gouging from outside. It also reduces the deformation of shell from welding.
- For plate thickness over 16mm, Double V is used for bevel edge preparation. 1/3t & 2/3t configuration is used. Major V is provided inside and minor V outside the shell.