Professional models of welding machines in stand-mounted design with foot control and built-in cutting blade. Weld length is 600 mm, weld width 2 or 5 mm (depending on modification). These models are particularly suitable for the production and sealing of heavy and bulky film bags up to 0.200 mm thick. The devices are characterized by high operator safety - the knife comes out only after pressing the upper jaw to the lower one. The cutting of the foil is made approx. 6 mm behind the weld. As standard they are equipped with a thermistor (thermal protection of the transformer) and a built-in foil unwinder. The angle of the welding mechanism to the stand is adjustable up to 45°. An extended stand (base) can be purchased for these types.