These sound attenuators are designed for muffling ventilation plants and are available in 11 standard sizes and three large-sized models. The latter are made to order.
Both types YAA and YAH are available with or without cores. Attentuators with cores muffle high-frequency sounds best.
- Standard: 250 to 1120 mm
- Large-size: 1250, 1400 and 1600 mm.
Specific for Type YAH
- Available in hot-dip galvanised or acid-resistant finish