| Material | glass fiber, mineral wool, sheet steel (galvanized) |
|---|---|
| standard length (mm) | 3000 |
| Nennweiten (mm) | 100, 125, 140, 150, 160, 180, 200, 224, 250, 280, 300, 315, 355, 400, 450, 500, 80 |
| order example | SRSI50+DN+ length (m) |
Spiral duct, sound damping
Sound-absorbing spiral duct consisting of perforated inner tube
wrapped with glass fleece protection over mineral wool,
non-flammable according to DIN 4102, fire behavior A1,
bio-soluble in accordance with TRGS 905 and EU Directive 97/69/EG,
the insulating materials are neutral to fungal or bacterial growth.
Material: Galvanised steel,
SRSI50: Absorption material with a packing thickness ≈ 50 mm.
SRSI25: Absorption material with a packing thickness ≈ 25 mm.
