This is a used machine.
The RAS VENTIrounder rounds inside and outside elbow cheeks of air ducts with pre-formed seams and rolling duct bends with pittsburgh lock. The segmented and slidable forming rolls round the duct cheeks without pressing or closing the seams. The Rolls are 1500mm long and can accommodate mild steel sheets up to 1.25mm thick.
This machine is now sold.