Helios Fans DIF 450

Helios

Helios Fans DIF 450

The Helios DIF 450 is an aerodynamically designed diffuser intended to improve system efficiency by converting dynamic pressure into static pressure through a gradual expansion of the airflow path. This size transition helps reduce airflow velocity, making it suitable for high pressure recovery. The diffuser also serves as an adapter for transitioning to a larger duct diameter.

It is specifically developed for installation directly after a fan or at the end of a duct run, functioning as an outdoor outlet with minimized discharge losses. For applications with a free outlet, a protective grille (type SG) in the next larger size can be added to enhance safety.

Manufactured from hot-dip galvanized steel sheet, the DIF 450 offers a durable construction with a double-sided welded flange and a hole pattern conforming to DIN 24155 standards.

Prices & Options
Code & Description Price  
DIF450 : Helios Fans DIF 450 £229.69 + VAT £275.63
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