Watercooled machines with 4-roller wire feed units.
4-roller wire feed units, watercooled machine equipped particularly strong water circulation cooling with heat exchanger system, available with separate wire feed unit (WS), excellent ignition properties, stable arc, integrated database with over 500 different programs, digital processor control with synergic characteristic curve, standard 2 step and 4 step operation mode as well as spot and intervall welding, electronically controlled and regulated wire feed automatic system.