Used for welding of flush,protruding,recessed tubes or welding behind the tubeplate. Standdard welding head for tube-to-tubeplate welds with the automatic TIG process,with or without filler wire. Suitable for pipes with outsid diameters of 12 to 80 mm. High duty cycle due to water cooling. Water-cooled welding torch,capacity 300A max.Under argon with direct current,with or without pulsing. 8 m long hose assembly for connection to power sourse. All welding parameters fully programmable. Up to 100 programmes storage.