Seam welder for water tower (50-100-150) This equipment is mainly used for the straight seam welding of stainless steel round and square water tower. The welding is firm with no deformation. It can also be used for cirular welding and spot welding of carbon steel, stainless steel, galvanized materials in fast speed and high precision. The welding effective length is 1500mm, power is 50-150kw, thickness is from 0.2 to1.2mm. The dimension of machine is 2.3x0.85x2.8M.