Howden Variable Pitch Axial Fans Variax® Fans

Variax® Fans The Variax® variable pitch axial fan combines one of the highest efficiency levels available today with an exceptionally flexible, customer focused design, manufacturing and aftermarket service. With almost 3000 units soldworldwide, the Variax® fan is the proven, reliable and robust choice across awide range of applications. Key Benefits One of the highest efficiency levels available in fan technology Exceptional design standards to make it easier for customer operation and monitoring Customer focussed manufacturing and aftermarket support teams Modern high-pressure blade profiles have significantly reduced the size of the fan needed to satisfy a given duty. Standard features Blade design and aerodynamics selected to maximise performance Oil lubricated blade bearings High efficiency Variax(R) hub as standard Hydraulic cylinder uses a continual flow of oil through the system even when the blade position is constant Guide vanes custom designed for the application Roller mounted diffuser for easy maintenance access The hub and the blades are separately balanced before the impeller unit is assembled Main bearings can be supplied as either roller bearings or sleeve bearings depending on the individual project. Optional features Single and two-stage versions designed depending on pressure and volume requirements Choice of lubrication system configuration Choice of main roller bearings to suit the project (roller bearings or sleeve bearings).