Stitch Welders

Empire Machinery & Tools Ltd. introduces the Spiral-Helix Stitch Welder Pro, a top-tier resistance welding machine designed for HVAC spiral pipe fabrication. It produces a consistent, airtight seam at impressive speeds (16–40 ft/min), while avoiding burnt galvanizing and eliminating additional sealing requirements. With recyclable copper wire electrodes, a minimal energy draw (40 kVA), and an overlap weld for material savings, this welder ensures clean production, reduced waste, and cost-effective operation. Backed by a 2-year warranty and expert support, it delivers reliable performance and high return on investment