Spiral duct
Spiral duct, galvanized steel, according to DIN EN 1506 or DIN EN 12237.
For mechanical stability and with regard to transport
the spiral ducts from Ød 250 mm are provided with double beads.
Alternatively, spiral ducts with sealed
Fold to increase the diffusion tightness for kitchen exhaust air. Aluminium, stainless steel 1.4301 and stainless steel 1.4571
are manufactured on request.
Outside diameter over the fold is approx. d + ≈ 5 mm,
Length Tolerance: ±0.005L,
| Material | aluminium, sheet steel (galvanized), stainless steel V2A |
|---|---|
| Nennweiten (mm) | 100, 1000, 1120, 125, 1250, 140, 150, 160, 180, 200, 224, 250, 280, 300, 315, 355, 400, 450, 500, 560, 600, 630, 710, 80, 800, 900 |
| Dichtheitsklasse | D nach DIN EN 12237 bzw. ATC 2 gem. DIN EN 16798 |
| standard length (mm) | 2000/3000 |
| order example | SREN+DN+length(m) |
| duct box hood | YHF3000 , 3100 x 1250 x 1250 mm, LDPE transparent |
| cap | Blue plastic closure made of PE-LD material up to DN 500 |
