A laminar downflow multi-task workstation is a closed system which is designed for the control of potent and non-potent compounds, such as powders or dusts, during sampling, weighing and other manual processes. Laminar downflow workstations are mainly used in the pharmaceutical and chemical industries to protect users from the harmful substances which are created when manually handling powders or liquids. Basic principle for user protection Basic principle for user protection and product protection Operation of air recirculation equipment In air recirculation equipment 100% of the air is extracted through a high performance ventilation system. At the same time, an automatic volume flow controller prevents any pressure loss if filter saturation rises. 90% of the clean air is blown out evenly from the roof over the whole safety working area and all fine dust is removed at the bottom, out of the breathing area of the user. While the dust sinks down to a certain level above the floor, extraction grids direct the dust to the rear area of the workstation. The filter system in the rear, consisting of coarse pre-filters, fine dust and HEPA filters, filters the dust out, before the clean air is returned to the roof area. 10% of the air is directed from the filters to the outside, creating a slight underpressure. An air supply of normally 10% with a slight underpressure ensures containment. The system contains air flow regulation, motor, fans and lighting and offers easy access to the filters from the inner room. 392 Laminar Downflow booths Need further information? Please contact us by phone (+49 6051 9220-0) or by mail (info@asecos.com) – together with our experts you will find the appropriate solution.
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