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Open-cell wedge system for flexible & efficient airborne sound attenuation to reduce sound propagation in duct systems in the field of ventilation and air conditioning technology. Can be inserted directly into the duct elements without an additional hole cover.
| Fire behaviour | Fire protection certificate BKZ 5.2 | Fire protection certificate MVSS 302 | Fire protection certificate B1 DIN 4102-1 | Fire behaviour BKZ/ 5.3, B1/ DIN 4102, S4/ SR2/ ST2/ DIN54837, 94V-0/ 94HF-1/ UL 94, M1/ NF P92-501FAR 25.855 A-1 fulfilled, FMVSS 302, DIN75200 fulfilled |
| Width | Cross section 184mm |
| Diameter | Outside 200mm |
| Colour | Grey |
| Weight | 11 kg / m³ |
| Length | 1200 mm |
| Material | Melamine foam G+ (Silphon 6 / 7 / 8) |
| Product specification | Silencer baffle | Noise protection pipe silencer Use as wedge system |
| Test values | Very good sound absorption |
| Temperature resistance | -40 °C to +150 °C (short-term up to +200 °C) |
| Variant | Tube ALS mm | as wedge system |
| Thermal conductivity | λ ≤ 0.032W/(m-K) |
Advantages:✔ Very good sound absorption values✔ Free of mineral fibres✔ Physiologically harmless✔ High chemical resistance to hydrocarbons and alcohols (DIN 53 428 and 535723)✔ High service temperature resistance✔ Simple, clean processing and installation✔ Low weight✔ Wide range of equipment options for adaptation to individual requirements✔ Solves sound problems as it can be retrofitted at any timeField of application:✔ Air ducts✔ Ducting✔ Heating air conditioning ventilation HVAC✔ Air outlets✔ Copact silencers✔ Air conditioning systems