Seam welderFN-50 Used to weld can,tube, air ductand tank from metal sheet. Rated input capacity 50KVA Rated input voltage 1-380V/50HZ Rated load cycle 50% Max.input capacity 88KVA Max.short circuit current 11000A Max.pressure of electrode 600kgf The flow of cooling water 6L/min Arm length 350mm max. Thickness of metal sheet: 1.2+1.2mm