the industrial and self-driven MLTW-P/J can be used to weld tank and tubes.The submerged-arc welding automat is available in three versious:satndard version for single wire,the latter is especially designed for fillet and butt welds on tanks,light version is used for welding pipe with diameter Φ600mm or more.the MLTW-T welding aotumat was developed for submerged-arc welding with two articulated arms.Two-electrode submerged arc welding can used,and two fillet welds can be welded at the same time with high effectiveness.The self-driven welding automat is equipped with a speedometer-driven carriage.This guarantees a high degree of mobility.