• RAS DuctZipper

    The RAS DuctZipper allows you to produce the highest quality duct work faster, easier, and more profitably than ever before. RAS technology and engineering have taken the seaming process from the traditional three steps down…

  • RAS Seam Closing Machine

    Closes seams with widths of 10 mm and 13 mm on round tubes. Changeover from inside to outside seams in seconds. The working length can be doubled, by turning the tube.

  • RAS SpeedySeamer

    The RAS 22.07 SpeedySeamer with seven rollforming stations is a multi-functional and cost-efficient machine for varying uses in the HVAC ducting industry. The top of the line RAS 22.09 SpeedySeamer is a 9-station high quality system.

  • Spiro Foldmaster Seam Closing Machine

    The semi-automatic Foldmaster makes it fast and easy to close an already prepared Pittsburgh seam on rectangular ducts and fittings. Airtight and noise free!

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