Fan Rotation and Discharge

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Fan rotation is determined by looking at the fan from the drive end. The drive end is is the side of the fan housing through which the fan or motor shaft protrudes. For DWDI or Arrangement 3 SWSI fans, it is the side of the fan housing at which the belt drive sheave is mounted.

For centrifugal fans, discharge is the direction the fan outlet points.

Specification of the rotation and discharge when ordering a housed centrifugal fan is required so that the fan will fit in your system properly.

Discharge Direction Clockwise (CW) Counterclockwise (CCW)
Top Horizontal
top horizontal fan rotation top horizontal fan discharge
Bottom Horizontal
bottom horizontal fan discharge bottom horizontal fan rotation
Up Blast
up blast fan rotation up blast fan discharge
Down Blast
down blast fan rotation down blast fan discharge
Top Angular Up
top angular up fan rotation top angular up fan discharge
Top Angular Down
top angluar down fan rotation top angular down fan discharge
Bottom Angular Up
bottom angular up fan rotation bottom angular up fan discharge
Bottom Angular Down
bottom angular down fan rotation bottom angular down fan discharge


  Rotation and Discharge PDF Brochure

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