Seam welding machine, rolling welding machine, Seam welder FN-75 1.Rated capacity 75KVA 2.Rated voltage 380V/50HZ seam welding machine, rolling welding machine, Seam welder FN-75Used to weld can, tube, air duct ... 6L/minArm length 350mmmax. Thickness of metal sheet: 2+.2mm Seam welding machine, rolling welding machine, Seam welder FN-75