This flange machine can process beading, circle rolling and flanging machine for blower crust. Thickness: 1.5-4mm; Diameter range: φ315-1250 Length: 300-1250mm Flange high: 15-50mm Pls contact with us for the Further details! Mail: Jv@jack-aiva.com; Mob: +86 13915206868; Website: www.Ductworkmachine.Com