The HVAC Duct spiral forming machine is used to produce the round rigid air duct for ventilation purpose, with factory direct sale price, high quality and etc features.
Main technical data:
1.Diameter of round tubes: 80mm ~ 1500mm.
2. Max. tube length: unlimited.
3. Thickness of strip: 0.4 ~ 1.00mm
4. Width of strip: 137mm 
5. Strip speed: 1~38m/min, adjustable
6. Suitable strip material: stainless steel, galvanized steel, color coated steel, etc.
7. Dimension: 3500mm x 2800mm x 2580mm (can be loaded in one 20' container, disassembled, in case 3000x2000x2200)
8. Weight: 2500kg
9. Power of main motor: 5.5kw
10. Power of cutting motor: 4kw
11. Pressure of pneumatic hydraulic station: 8kgf/cm2