ACTA is a high pressure fan comprising of two impellers with different number of blades, connected in series and rotating in opposite directions. The Axial Flow fan ACTA has a wide range of applications and has proved especially suitable for ventilation of mines, tunnels where it can be directly fitted into the ventilation duct. It is further important to note that this fan is reversible and therefore can be used both as supply and exhaust fan.
Capacity: The Diagram refers to air with a density of 1.2 kg, m. Figure groups refer to fan size and speed designation i.e number of poles of motor.