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Downflow Booths

When conducting powder handling processes, operators are at risk of exposure to high levels of potentially hazardous materials. Through effective innovation, the AUSTAR DFB will control occupational exposure levels by providing guaranteed containment performance up to OEB4.  (10-100µg/m³)

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*OEB5 / 1-10 µg/m³ can be achieved utilising ancillary equipment for small scale / short time duration weighting or subdivision, and by following stringent SOP's (Standard Operating Procedures).


By maximising the open area of the overhead supply plenum, HEPA Filtered air, free from stagnation, turbulence or eddies is delivered into the safe working zone of the Downflow Booth in a downward direction passing through the process zone, ensuring that any process generated particulate is captured and safety directed away from the operators breathing zone.


At the rear of the DFB variable bleed air volume is expelled at high level creating containment within the booth. This induces a 90' rotational direction change of airflow within the safe working zone below the process zone ensuring that the captured particulate is effectively transported and exhausted into the DFB multi-stage, high-capacity dust arrestance fan filter unit.


The return air is then temperature conditioned for operator comfort and recirculated back into the safe working zone

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+44 (0) 1484 705 123

Unit 6, St Andrews Court, Huddersfield, HD1 6QB

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