Calculator to determine ventilation flow, diameter, pressure drop and the section of a ventilation duct in different materials.
Free version limited to a few steel diameters and not to calculate the pressure losses on the plastic and concrete.
The paid version has graphics elevators to quickly change values.
Find the complete features in the paid version for a small fee
Free version limited to a few steel diameters and not to calculate the pressure losses on the plastic and concrete.
The paid version has graphics elevators to quickly change values.
Find the complete features in the paid version for a small fee
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