Axial fansAC, DC and EC drive, internal and external rotor. Plate, cased and long-cased mounting.
Duct fansMetal and plastic bodies, in-line and straight-through, including super-silent constructions for occupied spaces.
Mixed-flow duct fansHigher pressure than a pure axial in the same envelope, quieter than a centrifugal.
Diagonal and booster fansIn-line pipe boosters for long runs and retrofit where static has been underestimated.
Axial performance falls away quickly as static pressure rises. Send the resistance as well as the airflow, or the selection will be wrong.