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Yurtfan technical calculation centre

Fan, duct and ventilation calculators.

Work out the first dimensions of your project from just a few values: fan motor power, dust collection duct diameter and ventilation airflow. The results are for preliminary sizing; our engineers make the final selection using your project data.

  • Free
  • No registration required
  • Fan selection by total pressure
  • Live 3D view

Calculation sequence

In what order is a ventilation or dust collection line calculated?

The tools pass values to one another: the result of the duct calculation fills in the fan motor power calculation automatically.

  1. 01

    Determine the airflow

    In general ventilation the airflow is set by the room volume and the air changes per hour; in dust collection, by the requirement of the extraction points.

    Ventilation calculation →
  2. 02

    Size the duct

    The duct diameter is chosen for the conveying velocity; duct and equipment losses are added up to give the total pressure of the fan.

    Duct calculation →
  3. 03

    Select the motor

    The fan shaft power is calculated from the airflow and total pressure; the next standard motor size up is selected.

    Fan motor power calculation →

Leave the calculation to our engineers.

Send us your airflow, dust type and plant layout; we will size the fan, filter and duct line together and prepare your quotation.