JWT Technology

1005 N Washington St.

Lisbon, IA  52253  USA

1-319-408-1111



STANDARD

SHEET METAL MACHINERY

Popular in Europe and now available in North America, the 3 machine system produces ducts complete with closed Pittsburgh seam.

Starter Duct Line Square

When used in a 3 machine system, the Square 3 produces finished ducts from coil including a machine closed seam.  It can be ordered with tooling for TDC/F flange, PDF3 flange or both.

Models are available for 60" (1.5M) or 80" (2 meter) coil width 5 and 8 ton coil capacities available.

​Thickness capacity 18 ga (1.25mm) galvanized mild steel.


​The Square 3 line production capacity can be increased as your company grows.  It can be upgraded to a Full Duct Line I type in your shop.

Starter Duct Line Square 3