In HVAC engineering, spiral ducts are the preferred duct type for large-scale projects such as commercial buildings, industrial plants, and subway tunnels. The spiral duct forming machine is the core equipment for producing this type of duct. BYFO spiral duct machine continuously locks and forms metal coil into circular tubes, integrating uncoiling, forming, and cutting into one machine, completing the entire process from roll material to finished product.
I. Equipment Overview and Core Advantages
BYFO spiral duct forming machine adopts a continuous coil feeding and spiral seam forming process. After being pre-bent by multiple sets of rollers, the metal coil is spirally wound into the forming mold, where it is pressed together by a seam to form a circular tube, which is then cut by an automatic fixed-length cutting system. The equipment can switch tube diameters by changing different specifications of forming molds.
Five Core Advantages:
| Advantage | Application value |
| One-piece spiral forming, no longitudinal weld seams | High structural rigidity, ensuring no air leakage or deformation during long-term use. |
| Flying Cutting System | Synchronous cutting during continuous pipe forming process, with no downtime and no burrs. |
| PLC Touch Screen Control | Input pipe diameter, length, and quantity to automatically complete production. |
| Automatic fixed length + stable accuracy | Cutting accuracy ±1mm, consistent length for each section, making on-site installation more convenient. |
| Formula storage function | Parameters for different specifications can be recalled with one click, no need for repeated debugging when switching specifications. |
II. Technical Specifications (for reference)
| Parameter | BYFO spiral duct machine |
| Processing diameter | Φ80–1600mm |
| Processing thickness | 0.4–1.2mm (galvanized sheet)0.5–1.0mm (stainless steel) |
| Coil width | 137–140mm |
| Forming speed | 0–35 m/min |
| Fixed-length precision | ±1mm |
| Bite type | External bite (internal bite can be customized) |
| Control method | PLC + Touchscreen |
| Power supply | 380V/50Hz (customizable) |
| Main unit weight | About 1800kg |
| Overall dimensions (L×W×H) | 3450×2050×1700mm |
Note: The above parameters are for reference only for standard models; the actual configuration shall prevail.
III. Selection Guide
• Standard HVAC System (diameter Φ100–1000mm, thickness 0.5–1.0mm galvanized sheet) → Standard Spiral Duct Machine
• Stainless Steel or Thick Plate (1.0–1.2mm) → Reinforced Frame + Carbide Cutting Tools
• Large Pipe Diameter Requirements (diameter > 1200mm) → Large-Scale Models
• Production Line Support → Optional Automatic Feeding Racks, Automatic Unloading Racks, etc.
IV. Why Overseas Customers Choose BYFO?
• Strength Guaranteed: BYFO is a professional duct equipment manufacturer in China, focusing on the research and development and manufacturing of HVAC equipment for decades. Its products are sold to more than 60 countries and regions around the world.
• Remote Technical Support: Provides Chinese and English manuals + operation videos. Engineers provide installation, commissioning, and operation training via video conferencing.
• Global Shipment of Accessories: Forming molds, cutting tools, and other vulnerable parts are in stock; DHL/FedEx fast shipping.
• Warranty Service: 24-month warranty on equipment (critical components). Free replacement of parts for non-human-caused damage during the warranty period.
V. Summary
A high-efficiency production line requires reliable equipment. BYFO spiral duct machines, with their mature technology, stable quality, and attentive service, help customers transform coils of metal strip into high-precision spiral duct products, delivered to project sites worldwide.
Need to select a model based on your duct diameter and material? Contact BYFO, provide your specifications, and we will recommend the appropriate model within 24 hours.
Email: byfo@byfomachine.com
Whatsapp: (0086)18255536645
