Axial Fans are available in 2 types Tube Axial Fans Propeller Fans Tube Axial Fans Tube Axial Fans are specially designed to meet the extracting demands of commercial and industrial ventilation in hot, humid, dusty and corrosive environments. These fans cover wide range of air quantities and pressures. The impeller is mounted on the motor shaft in the casing or on an extended shaft for V-belt drive.