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Range Hood - Sirocco Fan

These hoods are enclosed casings equipped with blowers to capture odors and oil fumes from cooking areas. Most range hoods are installed over the cooking surface in order to maximize exhaust effectiveness.

Sirocco Fan

Sirocco Fans are adopted that maintain better performance than turbo fans and keep a low noise level. A range hood must overcome resistance when pushing air from the inlet, through the duct, to the outside of the building. This resistance is known as static pressure. The amount of static pressure depends on the duct length, type of duct and bending. Longer duct and more bending generate higher static pressure, that result in a decrease in air volume.

Sirocco Fan

Many installations require long duct and at least one bending. As shown in the figure, duct of 1.5m length and grille are installed (*), static pressure increases to 80Pa. Under this condition (*), air volume of KDK range hood can maintain up to 580 CMH (Point C) while the other brand is decreased to 530 CMH (Point D).

Sirocco Fan