Tubes & Hoses

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 In comparison with the no longer valid standard DIN 24145, the new standard almost always achieves better values in terms of resistance to overpressure and, above all, underpressure.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: info@luftundklima24.de

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Smooth-bore pipes
Spiral ducts & plain ducts Our spiral ducts and plain ducts in brand quality are available...
10 meter Aludec spiral hose Flex AluFlex ventilation hose DN102-315mm
There are variations of this item. Please select the variation you wish.
starting from 11,60 € *
(Net 9,75 €)
1,16 € per 1 m

10 meter insulated aluminium flex pipe NW100 -315mm
There are variations of this item. Please select the variation you wish.
starting from 24,20 € *
(Net 20,34 €)
2,42 € per 1 m

10 meter plastic hose with wire spiral grey Ventilation hose
There are variations of this item. Please select the variation you wish.
starting from 26,30 € *
(Net 22,10 €)
2,63 € per 1 m

5 meter Alu-Flex pipe DN50 - 315
There are variations of this item. Please select the variation you wish.
starting from 8,20 € *
(Net 6,89 €)
1,64 € per 1 m

starting from 26,80 € *
(Net 22,52 €)

Aludec spiral hose by the metre Ø 102 - 315mm
There are variations of this item. Please select the variation you wish.
starting from 1,29 € *
(Net 1,08 €)
0,13 € per 1 m

starting from 1,70 € *
(Net 1,43 €)

starting from 3,40 € *
(Net 2,86 €)

Rohrverbinder Nippel mit Lippendichtung NW 80-400 mm
starting from 3,40 € *
(Net 2,86 €)

V2A pipe connector nipple spiral seam pipes flexible pipes
There are variations of this item. Please select the variation you wish.
starting from 10,20 € *
(Net 8,57 €)

Wickelfalzrohr Lüftungsrohr DN 80-355 mm 1,5 m Länge
starting from 7,90 € *
(Net 6,64 €)

Wickelfalzrohr NW 100-400 mm 3 m Länge
starting from 17,90 € *
(Net 15,04 €)

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