F.J. EVANS ENGINEERING COMPANY, INC.
Industrial & Commercial Heating, Ventilation & Pollution Control Equipment - Serving The HVAC Industry Since 1927
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Propeller Upblast Belt Drive
Product Lines > Roof & Wall Fans > UBS Series
UBS Series Application
Model UBS is a high capacity roof mounted exhauster rated from 7000 to 51000 CFM. They are general ventilation units designed to economically remove large volumes of air, fumes and vapors from commercial and industrial buildings such as warehouses, manufacturing and assembly plants, chemical plants, foundries and paper mills.

Straight-through air flow design results in maximum exhaust efficiency. During operation, the high air flow velocity opens butterfly dampers which helps prevent rain or snow from entering. Dampers close and cover the venturi opening when unit is not in use.

The roof mounted location eliminates interference with processes and equipment inside the building. It also permits locating the exhauster over a source of heated or contaminated air, allowing direct upward venting to the outside, unlike wall mounted exhausters which may move contaminated air through adjacent work spaces.

Belt drive units usually operate more quietly and afford easier performance adjustements, while direct drive units require less maintenance.

Items
UBS24
Propeller Upblast - Belt Drive - 24''
  
UBS30
Propeller Upblast - Belt Drive - 30''
  
UBS36
Propeller Upblast - Belt Drive - 36''
  
UBS42
Propeller Upblast - Belt Drive - 42''
  
UBS48
Propeller Upblast - Belt Drive - 48''
  

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