The SVA series equipments for welding corners are designed to weld kitchen countertops, canned goods in sheet steel, iron or aluminum. The machine consists of a bench supporting the particular, of an internal buffer and external fixtures locking the edges to be welded and of the vertical welding slide complete of torch support. This machine welds only corners orthogonal to the working surface. TIG or Plasma welding process. Thanks to the low cost of toolings, this machine can be also used for limited production. A system of gas emission guarantees the internal protection of the particular to weld. The machine is also equipped with internal cooling unit.