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Features and selection of components for ventilation

Without ventilation, it is impossible to stay home or work in an office premises. The ventilation is always designed along with the main premises of the building, and then it will be difficult to change the project, as sufficient space is provided under the ventilation shaft. If the ventilation is not working properly, it can cause frequent illnesses, fatigue in daily life and death in the event of a fire or other emergency. Airflow in office buildings is created using fans mounted on airways. Consider the features and options of components for ventilation.

What to look for when choosing?

The first criterion is performance. It is measured in the amount of air that a fan can pass through itself at a specific unit of time. If it’s easier, then how much air will have the time to expel the device itself in a moment. The speed of the bar is important too. Sound performance depends on the strength and speed of the blade rotation. Usually compensated by the special structure of the engine. Power consumption depends, as a rule, on the amount of energy consumed by the fan.


The most popular type is the axial fan. It allows air to move through the blades rotating around one axis. Such systems are placed not only in the ventilation shaft, but also in everyday life (PC cooling system, hair dryer). The performance of such systems is great because they have little resistance to airflow. They look like boxes (or rings) where the blades are fixed, turning at a certain angle. The fan motor is mounted in a casing box. This device is economical, easy to maintain and install, compact. However, they are not intended for long channels.

Radial fans are casing designed in circles. Between the blades, which are tightly directed or firmly, there is a channel through which the air moves with a slight contraction. Outgoing air moves simultaneously into inward air. Diagonal fans are no different from axial fans, air enters the same way, and exits are made diagonally. Their major advantage over standard axis models is low noise levels during operation.

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