RC+HQ Axial flow units - combine a fibreglass roof cowl unit with a single or three phase axial plate fan to provide a cost effective solution for applications such as warehouses. Suitable for pitched roofs up to 30 degrees.The range of Helios horizontal RC roof cowls are available as just cowls only for natural ventilation and combined with Helios plate fans are an excellent low cost roof unit. The cowls provide weather protection to fans for powered ventilation, when used as cowl only screen roof openings or duct terminations. Manufactured from glass reinforced polyester resin (G.R.P) reinforced with coremat are strong but light weight. Units are finished in a hard gloss, UV stabilised, gel coat, giving an attractive weather proof finish.
Cowls take the corresponding Helios plate axial fan - some cowls accept two plate fan sizes.