Circular Ducts


TSTC derivations for circular duct in galvanized steel sheet Z275, aluminum or stainless steel AISI 304 or 316L, spiral type, type Spiro. Dimensions and tolerances according to EN 1506/2007, thicknesses and reinforcements according to 34 SMACNA. The galvanized sheet complies with the standard EN 10346 – continuous hot-dip coated steel flat products – DX51D type with a minimum of 275 g/m2.

Minimum tightness class C according to the norm EN 12237.

Check product datasheet and order details

Download PDF

Check our product catalog

Download PDF