Plate and cased axial fans
Total speed control is a feature of Helios’s SPW plate fans and SCW cased fans.
Fully speed-controllable motors and metal impellers are features of the SlimVent series of plate and cased axial fans introduced by Helios. There are 14 models, with impellers from 315 to 630 mm — all within a slim motor profile. Sizes from 315 to 450 mm have steel impellers Aluminium is used for fans from 560 to 630 mm. All models have a die-cast aluminium casing protected to IP54 and are fully controllable using auto-transformers and electronic speed controllers. Dynamically balanced impellers ensure high efficiency and low noise levels. Their compact design enables these impellers to be fitted at any angle or position.