The Kongskilde BTD and BPD blowers are directly coupled, and the BTK and BPK blowers are indirectly coupled centrifugal units designed for handling of material through the blowers. The blowers are equipped with a self-cleaning rotor, which has backward curved blades and an aerodynamic intake. The range covers the air volumes from 800 m³ to 37000 m³. The pressure goes up to 1170 mm WG.
The blowers are available with various rpm for both 50 Hz and 60 Hz.