asecos Main catalogue - Working safely with hazardous substances

Basic principle for user protection Operation of the air extraction system In the air extraction system, 100 % of the air is supplied via a special, extremely powerful fan/filter system with a coarse dust pre-filter, a fine dust filter and a HEPA filter. This system creates a downward flow of clean, filtered air while directing all fine dust downward and out of the operator‘s breathing zone. While the dust sinks down to a certain level above the floor, high speed extraction grids direct the dust, gases or vapours to the rear area of the workstation. The filter extraction system in the rear filters the dust out, before the air is returned to the atmosphere. The air supply of 10% to the workstation with underpressure to the external area ensures a constant underpressure at the workplace. The equipment contains instruments, air flow regulation, motor, fans and lighting and offers easy access to the maintenance filters from the inner room. Magnehelic differential pressure gauges allow a real time display of the status of the air supply and extraction filters as well as the air supply and extraction flows. The switch cabinet contains the control system, lighting and motor, power connections and the start/stop function. The workstation is provided with safety switches for the air supply and extraction equipment as well as an alarm indicator. Typical areas of use 4 Product dosing 4 Sampling 4 Split workstations 4 Bulk good filling / weighing 4 Reactor filling 4 Product emptying 4 Test equipment 4 Containment workstations 4 Mixing areas 4 Drum filling / emptying Special equipment 4 Fully automatic air flow regulation 4 Extraction, fine dust and HEPA filters in safe-change filter housings for safe filter replacement 4 Air supply with heating/cooling elements 4 Electrical components meet ATEX Directives for potentially explosive areas 4 If required, ATEX conformity in accordance with RL 2014/34/EU is available Customised sizes and equipment upon request. 391 High level of safety and ergonomics

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