Centrifugal fan blowers functions to move the air from place to place. Centrifugal fans are available in different sizes and types having certain benefits. In recent times, there is a great diversity in applications of centrifugal fans including drying, conveying, cooling, aerating and ventilation, etc. In order to select a fan as per the requirement, there are varied specifications that need to select accordingly. A fan with the right material and design can be chosen by considering your industrial process and its requirement, efficiency, and reliability. The correct process to select a fan type totally depends on different factors such as the type, size, airflow rate, density, the static pressure of the air, temperature range, system resistance, space constraints, variations in operating conditions, material to be handled, etc.