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Circular HP Air Knives - Fiktech AirWipe
The circular air knife - Fiktech AirWipe - is a simple solution to many clean elongated products from and moisture with compressed air Compressed air of up to 7 bar (R) is supplied to the inlet and is evenly distributed in the circular plenum. Through a narrow gap, the expanding air is blown at an angle of 30 º. This primary airflow moves along the Coanda-surface in the direction of the object to be cleaned. Negative pressure is created through which ambient air adds to the primary airflow. The combined airflow forms a closed ring of 360 º and cleans the exposed object / product.
AirWipes are available in various diameters (13-279 mm free passage). The right choice is partly determined by the desired internal diameter and operating conditions (whether aggressive environment and / or company rules). Benefits of circular air knife: uniform airflow 360 º, divisible, infinitely adjustable outlet velocity of flow, no physical contact with the material passed through, `split design`, compact design The air consumption compared with traditional methods (tube with holes) is. considerably lower.
Using air knives, particular attention should be taken to control dust and liquid being removed. All health and safety aspects must be observed. Liquid material is removed, forming a spray. Air turbulence can cause deposits on unwanted places. Observe the correct shielding and possible extraction of released dry and liquid substances.
Since air knives contain no moving parts, they require little maintenance. However, the blower must deliver clean air! Make use of suitable inlet filters. The connecting pipes have to be dimensioned in the right way in order to minimize pressure losses.