
Factory Direct HVAC Air Pipe Spiral Duct Forming Machine Spiro Machines. Customized Machine Design: Fully customized HVAC duct forming machines available to meet specific production needs. High Precision Control System: Equipped with industrial PLC control and closed-loop servo-system for increased precision. Durable Hydraulic Components: Features 60HRC hydraulic notching dies made from 42CrMo raw material for long life. Comprehensive CE Certification: Machines are CE certified ensuring compliance with international safety and quality standards. Global After-Sales Support: Dedicated international after-sales team provides support to customers in over 100 nations. Versatile Production Capabilities: Capable of producing both round spiral ducts and rectangular square ducts efficiently. Flexible Lead Time: Off-season lead time within 15 workdays; peak season lead time approximately one month. Advanced Material Handling: Includes decoiler, leveling, grooving rollers, and hydraulic shearer for complete processing.