In recent years, the demand for efficient, durable, and eco-friendly HVAC systems has surged across the construction and industrial sectors. Among the essential components of these systems, spiral ducts have stood out for their superior strength, airflow efficiency, and aesthetic appeal. This trend has brought Spiral Duct Forming Machines into the spotlight, making them a hot topic in the HVAC equipment industry. At Hecheng Source Machinery, we’ve seen a significant increase in global orders for our spiral duct forming machines. These machines are engineered to produce precise and high-performance spiral ducts, widely used in commercial buildings, airports, industrial plants, and cleanroom environments. The shift toward modular air systems and green building standards has made spiral ducts a preferred choice—due to their minimal leakage and reduced pressure loss. Our spiral duct machines combine precision engineering with user-friendly operation, supporting multiple diameters and materials such as galvanized steel, stainless steel, and aluminum. For customers requiring tailored solutions, we offer non-standard customization, test runs, and technical support—ensuring optimal performance for any production need. As a professional manufacturer with over 10 years of experience and clients in more than 80 countries, Hecheng Source Machinery continues to deliver cutting-edge duct forming solutions to meet the evolving needs of HVAC professionals worldwide. I. Spiral Tube Machine's Features: Spiral tube machine is used for producing HVAC round duct. Spiral duct is made of metal strip rolled into a spiral bite wall of the thin tube, round, no welding, no leakage. The spiral tube machines produced by HCY company have high yield and stable pipe diameter, and good bite, good sealing, long-term innovation.1.Spiral tube machine with patented mold which has its own patent and easy to adjust, save the metal strip. .High-speed synchronous cutting system PLC control Can be on-site construction Can be adjusted High-quality products, high-quality services The system can handle galvanized sheet, aluminum automatic roll out of equipment Can produce a variety of different diameter spiral tube II. Technical Parameters 1. Name: Spiral tube machine HCY-1.5-1500 2. Diameter range: Φ80-Φ1500mm 3. Tube length: 100-12000mm 4. Strip width: 137mm 5. Lock seam: Outside tube,on the inside on request 6. Material Galvanized sheet: 0.4-1.5mm 7. Strip speed: 38m/min 8. Dimension: 3400x2070x2720mm 9. Weight: 2000kg 10. Control system: PLC automatic control 11. Main motor power: 11KW 12. The power of cutting motor: 4KW 13. Electrical: 380V/50HZ/3PH Voltage customized 14. Welding machine: Huanyuan 63A