V = 2 ÷ 50 m3/s
Pt = 600 ÷ 6000 Pa
They are designed for use where a space saving is required.
In every application for moving large volumes of (proper or dust laden) air with medium-low pressure inside.
This series of fans use impellers with backward plane self cleaning blade (FQP) and with backward curved blades (FQL).
They are supplied in belt drive arrangement and provided on request of cooling disk for use with hot air.