![]() ![]() If you are in doubt, you can refer to a temperature and altitude chart in order to make the right selection. If this standard is subject to change, be sure that you account for temperature and altitude when making your fan or blower selection. Most centrifugal air blowers are selected using a standard measure, assuming standard altitude and temperature. The difference between the two types is that the backward inclined fan handles less static pressure but offers lower sound levels, where the backward curved fan can handle almost double the static pressure. The backward inclined fan and the backward curved fan are manufactured to handle high volumes of air in high static pressures. ![]() Static pressure is the friction created by the moving air in the pipe or duct. Whether you need to exhaust contaminated air or move small particles, it is crucial that you chose the appropriate model with the appropriate airflow capacity. ![]() Whichever type you chose, a centrifugal air blower or axial fan, you must consider the amount and consistency of the air you want to move. If you are in any doubt about this step, consult with your centrifugal fan manufacturer. The basic difference between the two is that the centrifugal blower changes the air flow at 90° whereas the axial fan moves air parallel to its axial. The first step is to see whether you need a centrifugal blower (a.k.a. Without getting very technical, below are a few considerations that will help you make the most informed decision in your fan or blower selection. If you’re not sure yet, maybe the tips below will help you determine whether to proceed with our online fan selection tool or just give us a call at 71 and get started with an application engineer. We will also send you a tutorial on how to select and price a fan, and our application engineers are happy to assist you with your selection. Sign up for access to the program, and you should receive your account information within 24 hours. *No software download or setup required.Performance Data (HP & Pressure Curves Sound Data).Our web-based* industrial fan selection and pricing tool offers you access to: Sign-Up Login Industrial Fan Selection Tool for Engineers ![]()
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