A Tubeformer is a spiral duct machine that produces straight round spiral ducts and is mostly applied in the HVAC industry, but also in mining, jacketing, and voidforming sectors.
Spiro^® is the inventor of original spiral duct machines with over 60 years of experience.

Our Spiro^® cutting machines are the perfect companion for any sheet metal and HVAC workshop.
They allow precise sheet metal cutting and are boosted with sophisticated HVAC software.

Our Stitchwelders make the stitch welding process smooth, continuous, and airtight.
This resistance welding application is mostly used in the HVAC and sheet metal industry to produce fabricated bends and fittings.

Spiro® offers various machines that are essential in the production of round bends and fittings.
Our high quality machines are used for flanging and folding the welded segments.

From Round to Flat Oval
The Ovalizer and Roval Roller transform the ducts and fittings to flat oval shapes.

The Spiro^® Rectangular Machines portfolio boosts your HVAC workshop productivity and efficiency.