High Airflow Vs Static Pressure Fans

The static pressure of 0 1 inches of water in.

High airflow vs static pressure fans.

This is a highly efficient design to move airflow volume with the least amount of fan blade noise. Using the fan in the wrong scenario will affect your cooling to a great extent. When air flow increases static pressure decreases. Af style fans have many thin blades 9 15 typically with a relatively steep angle.

In case of static pressure and air flow fans there are a lot of difference. The relationship between air flow and static pressure of a fan is shown in the graph above. Airflow is the amount of air which is the fan is capable of removing at its greatest rpm. And when static pressure increases air flow decreases.

The 3 points depict possible scenarios where the fan will perform. The static pressure of one inch of water is the suction needed to draw water up a straw one inch. For comparison 1 pound per square inch static pressure 1 psi is equal to 27 7 in. When it has no restrictions.

As you can see air flow and static pressure have a negative correlation. High airflow fans simply push as much air as possible while static pressure fans are specifically designed to tackle installations with heightened impedance and resistance. So what exactly is airflow and static pressure. In addition fans are generally optimized to either move a high volume of air with large blades and high rpm or generate a high static pressure.

High airflow fans can run into problems when. Sometimes static pressure is given as pascals pa.