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Source Capture Hoods

Source capture of pollutants using localized exhaust hoods is an economical and a cost-effective means to control plant air quality. Source capture or collection of dust at its source minimizes the amount of air that needs to be cleaned as well as the amount of make-up air required and the cost of control.  Carefully designed hoods are available as standard “off the shelf” designs, or they can be custom designed to maximize capture of particulate and fume.  In most cases, where we have not seen or applied a hood to a similar application, the starting point is “Industrial Ventilation – A Manual of Recommended Practice for Design” manual.

Advantages of Custom Exhaust Hoods


  • Moveable or fixed, requiring minimal amount of space
  • Custom designed to maximize collection efficiency at a point source
  • Fit any process
  • Can be added to an existing central dust collection system
  • Isolate pollutant points within a plant
  • Constructed of carbon steel, stainless steel, FRP or PVC

Disadvantages of Fixed Hoods


  • If the hood is not positioned close to the source it will not pick-up dust effectively and probably not be used
  • Man coolers and cross drafts may move air away from the hood inlet and destroy effectiveness of source capture

Applications for Hoods


  • Work stations
  • Weigh stations
  • Bins
  • Hoppers
  • Mixers
  • Tools
  • Furnaces
  • Laboratory hoods
  • Open surface tanks
  • Weld stations

Typical Exhaust Hood Designs Available


  • Barrel and Bag Filling
  • Sampling Box
  • Foundry Shakeout
  • Laboratory
  • Oven Exhaust
  • Lathe
  • Melting Furnace
  • Pouring Station

We are familiar with atypical designs necessary for the proper collection of smoke, dust and fume. Call us and see how we can help.

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