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CENTRIFUGAL FANS

HVAC Duty Centrifugal Fans

The HVAC Duty Centrifugal Fans, series 21, utilizes Greenheck's exclusive air-tight Perma-Lock seam up through size 49. This feature is less expensive while maintaining the performance of all welded construction. Sizes 54 - 73 have all welded housings.

Models BISW/AFSW: Single Width

Operated in a broad range of fan applications, typically in ducted systems. Versatile construction options allow use in environments which require spark resistance, high temperature tolerance, or resistance to corrosive elements.

Models BIDW/AFDW: Double Width

Operated in non-ducted inlet applications, primarily handling clean air at ambient temperatures. Higher volume capacities allow for a more compact system design than with single width fans.

Sure-Aire

If your application requires real time flow measurement, the Sure-Aire is a great accessory to include.  The Sure-Aire provides the benefits of traditional flow probes which are placed in the airstream, but with the Sure-Aire's non-invasive design, fan performance is not affected.  For more information about the Sure-Aire system, including a head-to-head comparison video, click here.

Greenheck's Total Centrifugal Fan Package

Greenheck offers a complete fan package including your choice of

  • Motors and Drives
  • Mounting Bases and Vibration Isolation
  • Dampers for Centrifugal Fans
  • Protective Coatings
  • Safety Guards and Weatherhoods

The advantages of buying a complete fan package from Greenheck include proper selection, design, testing, and manufacturing.

Downloadable Greenheck Literature
Viewable with the Adobe Acrobat Reader
(Click here for more information or to download the Acrobat reader)

Catalog:
Series 21 & 41 Centrifugal Fans (3605k)
Sure-Aire Flow Monitoring Station (571k)
Marine Products - Dampers, Louvers and Fans (899k)
Dampers for Centrifugal Fans (622k)
Mounting Bases and Vibration Isolation (742k)
Performance Supplement:
Centrifugal Fan Performance Supplement - Single Width (6.2M)
Centrifugal Fan Performance Supplement - Double Width (6.2M)
Specifications:
Airfoil, Single Width Belt Drive, AFSW-21 (1235k)
Backward Inclined, Single Width Belt Drive, BISW-21 (1238k)
Airfoil, Double Width Belt Drive, AFDW-21 (1236k)
Backward Inclined, Double Width Belt Drive, BIDW-21 (1236k)
Sure-Aire Flow Monitoring Station (1242k)
Installation, Operation and Maintenance Manuals:
Centrifugal Fan Manual (#463687) (935k)
Isolation Assembly Instructions (#468646) (535k)
Portuguese Version - Centrifugal Fan (422k)

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