this spiral tube former is an new technical air duct forming machine, it is high quality and low price, our spiral duct machines are selling in worldwide
1.1Diameter range: 80 1600mm

1.2Thickness of strip:0.4 1.3mm, 0.8mm, 1.2mm. 0.4-1.2mm galvanized steel, stainless steel up to 0.8mm and aluminum up to 1.2mm all in lock forming quality.

1.3Strip Width: 1mm, 137mm, 140mm.standard 137mm up to 1mm thickness, 140mm above. Other widths on request.

1.4Lockseam: , Outside tube, on the inside on request.

1.5Production speed: 60/, Max. 60 meters/min. depending on material

1.6Tube cutting:The patented flying slitter