KAD’s spirally round ducting is manufactured from Z-275/G90 galvanized steel coil, complying with DW144 and SMACNA low, medium and high pressure system. KAD’s spirally round ducting has a smooth interior for low friction losses with the grooved seam entirely on the outside. Available from 100 mm to 1500 mm with standard length of 3 meter, along with the entire range of fittings. Available in uninsulated or pre-insulated as per requirement.
- Fast easy manufacturing and installation.
- Aesthetically better looking than conventional rectangular duct.
- Low air leakage as gasket are pre-mounted on the duct in factory.
- Available in different RAL colours.