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SWA 650 Automatic Stitchwelder

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SWA 650 Automatic Stitchwelder

The Andritz Stitchwelder SWA 650 is an automated welding machine designed for high production runs. It welds ducts with lengths up to 27″ and offers a welding speed of 3-12 m/min. Capable of processing up to 20 pieces per minute, it includes a quick changeover time and optional serration addition, making it ideal for efficient,…

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The SWA-650 Automatic Stitchwelder is a high-performance longitudinal seam welder engineered for HVAC duct fabrication and sheet metal applications. This machine produces consistent, high-quality welds along straight seams, reducing production time while improving joint strength and appearance. With automated operation, adjustable weld settings, and robust construction, the SWA-650 is built to handle demanding shop environments while delivering clean, efficient results.

SWA 650 Stitchwelder

  • Welding Length: 2” min. – 27″ max.
  • Welding Diamater: 3″ min. – 20″ max.
  • Optional Diameter: 3″
  • Material Thickness: 24-30 gauge galvanized steel, 23-28 gauge stainless steel
  • Overlap: 1/4″
  • Copper Wire: 0.078″ round
  • Weld Speed: 10-40 ft/min (adjustable)