Diameter range: 100-1500mm Thickness: galvanized sheet: 0.5-1.2mm Stainless steel: 0.4-0.8mm Material width: 137mm Decoiler: vertical, max load: 1200kg Adding tendons: one or more(optional) Seam lock: located outside the ducts Production speed: 0-37m/min, adjustable Cutter: roller shear Drive system: cutting and turning over ducts adopt air-power; Compaction of feed rolls adopts hydraulic power Forming head mould: steel, aluminiun alloy is optional Total weight: 2000kg Outside size: main machine: 3.4*1.8*1.8m Discharge table: 2.1*1.2*1.1m Total power: 16kw, main motor: 15kw, hydraulic motor: 0.75kw, seam locking wheel motor: 0.12kw Electrical source: 380v/50hz/3ph Console: push-buttons panel.