NTO Spiral duct

Product code: NTO D - L

NTO spiral ducts are manufactured of galvanized steel. Standard lengths are 3 m and 6 m. Ducts can also be manufactured of other materials and in other material thicknesses.

Spiral ducts meet the requirements for cleanliness class M1 and tightness class D.


Lenght 3000, 6000 mm
Diameter 80-1600 mm
Material Zn, ZM, H