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Lab ductless hoods Biotechnology

Lab ductless hoods

Product Code:Serie DWS


Need more Info? (514) 354-2511 - 1-800-463-4363

Air Science DWS™ Downflow Workstations are high efficiency ductless fume hoods 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™ Downfl ow Workstation product line is based on an innovative Air Science Multiplex™ Filtration Technology that creates a safe work environment over the widest range of applications in the industry.

Ductless Technology
Advanced carbon filtration technology offers a safe, high performance alternative to conventional ducted fume hoods for a broad range of applications.
  • Environmental Benefits − Air Science® ductless fume hoods isolate and trap chemical vapors to prevent ecological impact through release into the environment.
     
  • Versatile Each filtration system is selected for its specific application. The Multiplex Filter broadens the range of applications. Carbon filters are available in more than 14 configurations for use with vapors or organic solvents, acids, mercury and formaldehyde. HEPA/ULPA fi lters can add to biological safety.
     
  • Easy to Install The ductless fume hood is self-contained and does not require venting to the outside. Many units are portable and may be moved from one location to the next with minimal downtime and without filter changes. Set-up, operation and filter maintenance are straightforward.
     
  • Energy Efficient Because filtered air is returned to the room, no demands are required of the facility HVAC capacity for make-up air.
     
  • Cost Effective Facility ductwork, HVAC and construction costs are eliminated.
     
  • Safe to Use Cabinet airflow and face velocity protect users from incidental exposures to fumes.
     
  • Self testing (selected models) Electronic air-flow monitoring assures continuous safety. An electronic gas sensor monitors carbon filter performance.

 

Products 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 airfl ow 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.

D. Electrostatic Pre-Filter: The 99.5% effective electrostatic pre-fi lter 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. Airfl ow 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 fi lters.

K. Integral Lighting: A vapor proof fl uorescent lamp illuminates the interior of the workstation.

 

Others 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 specifi cations 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 specifi cations and dimensions. Specify metal or polypropylene when ordering. Available in 110V, 60Hz or 220V, 50Hz models.

 

Description

DWS36, shown with Multiplex™ Filtration System.

DWS™ Downflow Workstations maintain a constant face velocity of 80FPM at the work surface in compliance with USA and international standards for safety and performance.

Contaminated air is pulled through the Multiplex filtration system where activated carbon adsorbs chemical vapors and/or particulates if HEPA/ULPA filters are used. Clean air is returned to the room.

A. The main filter is easy to replace, no tools required. The filter clamps tightly against the filter gasket to prevent filter bypass and maintain filter integrity.

 

THE AIR SCIENCE® PERFORMANCE ADVANTAGE

Each Air Science® fume hood includes features expressed through sound design and certified quality construction. Options and accessories add functional performance to meet specific applications.
 

  • Professional Quality. Air Science® fume hoods comply with current technical and safety regulations.
  • Multiplex Filtration. The Air Science® Multiplex™ Filter offers a range of options for high performance.
  • Industrial Components. The cabinet frame and work surfaces are durable and chemically resistant.
  • Reliability. Internal systems are isolated from fumes, extending product life.

 

 

Models dimensions

 

Specifications

 

Options & accessories

 

Filter summary
 


 

Standards & compliance

 

 

 

 

 

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