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Ductless Downflow Workstations

DWS laboratory fume cupboards

DWS™ Downflow Workstations are high efficiency ductless fume cupboards designed to protect the user and the environment from hazardous vapors generated on the work surface. Unrestricted front and side access facilitates applications requiring complex and intensive operator involvement, while downward airflow in the chamber protects the operator.

 
The DWS Downflow Workstation product line is based on an innovative Multiplex™ Filtration Technology that creates a safe work environment over the widest range of applications in the industry including forensic fingerprint powder.
 
 
 
 
 
 

DWS Downflow workstations brochureDWS Downflow Workstation Features & Benefits

 
  • Available in 3 standard sizes, in metal or polypropylene construction, totaling 6 models.
  • Wider units, comprising two or more workstations can be positioned side-by-side with junction connections option.
  • High capacity air handling system delivers face velocity of 80 fpm at the work surface.
  • A low airflow alarm warns of insufficient face velocity.
  • The Air Science filter assembly is easy to access, easy to change.
  • A unique filter clamping design eliminates bypass leakage outside the cabinet.
  • Accessories include an optional filter saturation alarm.

 

 

Product Features:

 
A. Filter I.D. Window: A strategically placed front cover window shows the installed filter part number and installation date for convenience and to encourage timely filter replacement.
 
B. Control Panel: Electronic controls and displays include switches for the blower, low airflow alarm and electronic hour counter.
 
C. Steel Support Frame: The chemical resistant epoxy coated steel frame adds mechanical strength. Optional all polypropylene construction is available if desired; see accessories.
DWS lab fume cupboard
DWS24, shown with optional mobile cart.
 
D. Electrostatic Pre-Filter: The 99.5% effective electrostatic pre-filter can be changed from below the work surface while unit is operating, to prevent user exposure to chemical vapors and powders trapped in the filter.
 
E. Color: The cabinet is white with blue trim; optional side panels and front sash are clear. (Black color also available, see Options and Accessories.)
 
F. Airflow Alarm: A continuous air velocity monitoring system alerts the operator upon unacceptable values.
 
G. Manual Speed Controller: The operator may set the centrifugal fan motor speed as desired.
 
H. Stand: Optional mobile cart with locking casters.
 
I. Work Surface: Under the perforated stainless steel internal work surface is a polypropylene tray to retain any spillage.
 
J. Filter Door Key: Filter access keys prevent unauthorized removal or accidental exposure to dirty filters.
 
K. Integral Lighting: A vapor proof fluorescent lamp illuminates the interior of the workstation.
 
 
 

Other Features:

 
Side Panels and Front Sash: (Optional) When installed, optional side panels and optional front sash provide better containment of hazardous vapors. The Front Sash is easy to open and close.
 
270 Degree Visibility: Unrestricted user access to the front and sides of the workstation also admits ambient illumination and provides an unobstructed view of its contents.
 
Standards Compliant: Performance specifications and construction meet or exceed OSHA, ANSI and relevant international standards to assure operator safety.
 
Construction: All models are available in either metal or polypropylene construction. See selection chart for specifications and dimensions. Specify metal or polypropylene when ordering. Available in 110V, 60Hz or 220V, 50Hz models.
 
 
 
 
 
 

 

Featured DWS Models

View all DWS Ductless Downflow Models

 
 
 



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Air Science® Technologies Ltd.
44a Liverpool Road • Lydiate, Merseyside L31 2LZ, UK
T/0151 526 2457   T/07714 744 417   T/0151 520 4344  •  F/0151 520 4340
UK@airscience.com
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