The Helios SSD 450 is designed for inlet-side sound insulation, offering an average sound attenuation of 15 dB to reduce noise levels efficiently. Constructed from durable galvanized sheet steel, it is suitable for outdoor installation on flat roofs.
A practical folding hinge allows the fan unit to be folded down, providing convenient access for inspection and maintenance. The foam core insulation has a free cross-section design that ensures unobstructed access to the casing and duct system.
The unit is mounted on a base plate fitted with threaded bushes, complying with DIN 24155 standards, ensuring secure and standardized installation. The SSD 450 combines effective noise reduction with user-friendly maintenance features and robust construction.