Professional models of welding machines in stand design with foot control. Weld length is 600 mm, weld width 2 or 5 mm (depending on modification). These models are particularly suitable for sealing heavy and bulky foil bags up to 0.200 mm thick. As standard they are equipped with a thermistor (thermal protection of the transformer). An extended stand (base) can be purchased for these types. This model is designed for welds up to 600 and 2 mm wide.