FOUR AXIS NC SADDLE WELDER 4 AXIS NC SADDLE WELDER FEATURES For pipe or cap seal orthogonal or slanting nozzle saddle shape intersection line automatic submerged arc welding. VIEW FULL CATALOGUE SPECIFICATION Nozzle flange nozzle(OD): ɸ400~1600mm.Pipe diameter(ID): ɸ500~6000mm.Max. thickness: ≤300mm.Nozzle height: 300~700mm.Flange joint type: butt joint, insert, semi-insert, mount type.