Here There are three basic types of axial fans: propeller, tubeaxial, and vaneaxial. Propeller fans are most commonly used for dilution ventilation or cooling. These fans are often mounted in a wall or ceiling. including wire mesh , roofing , steel angle (50mm x 50mm x3mm ) circular fan inlet , removable weather proof cover for motor and drive and belts , water proof and fire rated flexible connection , spring type isolation , 150mm concrete pad also having the fluid or gas flowing parallel to the axis axial-flow turbine axial-flow pump — compare radial-flow. for more details of axial flow fan installation and working download this file .