Description: Axial Flow Fans have hosing fabricated from heavy gauge steel sheet. The impeller has high efficiency aero-foil section adjustable pitch blades. The impellers can be statically and dynamically balanced as per ISO 1940. An inlet cone and outlet diffuser is provided to further improve the efficiency. The specifications includes: size - 450mm to 1980 mm sweep; capacity 2000 to 200000 CMH; and pressure - up to 65mm WG.