Spiral ducts & smooth tubes
Our spiral-seam tubes and smooth tubes in brand quality are available in various diameters.
For pipe runs over many meters, the spiral-seam pipe has developed into a high standard. Spiral ducts combine a hard-wearing form with a light weight and can be installed effortlessly in private and commercial environments. For some years now, the new standard EN 12237 has actually already replaced the old standard DIN 24145. However, it was not really wanted until now, even though nobody will be able to get past it sooner or later. In comparison with the no longer valid standard DIN 24145, the new standard almost always achieves better values in terms of resistance to overpressure and, above all, underpressure. Whereas the old DIN 24145 standard prescribed certain sheet thicknesses for certain nominal diameters, the new DIN EN12237 standard now defines pressure limits (air tightness classes) for certain categories of pipe diameters. This is the prerequisite for the new production guidelines, according to which spiral ducts from 250 DN upwards will in future only be manufactured with double beading as standard. This is because the double bead guarantees a much higher peak pressure resistance. This means that we can now process thinner sheet thicknesses and thus produce more cost-effectively
Our spiral ducts are manufactured in a modern production workshop either from hot-dip galvanized sheet steel or stainless steel. Each tube meets the highest quality requirements. The spiral ducts are very airtight and therefore have a minimal air loss and thus a high performance yield. For the construction of ventilation and exhaust of pipe systems. The galvanized spiral duct is produced in dispatch length 1.5m or collection length 3m. The smooth pipe is produced in the dispatch length of 1.5m.
From a nominal diameter of 250 mmm, the spiral ducts are produced with stiffening beads. The zinc coating is 275 g/m^2. To connect ventilation pipes with each other, you need plug connectors, also called nipples. If the air flow has an unpleasant noise level, we recommend to install a pipe silencer (category: damping material).
The spiral ducts and smooth pipes are stable and easy to install ventilation pipes. They are used for private and commercial residential ventilation systems such as offices, restaurants, kitchens, lofts, airports and industrial buildings.
If you have any questions about the product or larger nominal diameters, please contact us by e-mail at: firstname.lastname@example.org