Model spiral duct machine 1500 is the hot sale model for air duct making equipment. It using flexible steel strip moulds for tube forming .
Easy to operate and the moving saw cutting to keep the tube cutting smooth .
It is the most cost-effictive model for making duct work .
Tube Forming Diameter: φ80-1500
Tube Length: 100-8000mm
Fabrication Thickness: 0.4-1.2mm