Page 213 - FanPedia - By Aerovent

®
FAN-PEDIA DAMPER OVERVIEW
Published by AEROVENT.COM
Aerovent INDUSTRIAL GRADE
©2017

EXTERNAL INLET VANE

Also Known As:
- Vortex Damper
- Inlet Damper
- Variable Inlet Vanes
- Inlet Guide Vanes
- Radial Inlet Damper

Application: Used for contaminated airstreams or for high
temperature airstreams up to 600 F. Radial vanes at the fan
o
inlet pre-spin the air entering the fan to control the flow. Vanes
come standard with a manual handle, but can be provided with
an actuator. External vanes have a housing and are bolted to
the fan inlet.

NESTED INLET VANE

Also Known As:
- Vortex Damper
- Inlet Damper
- Variable Inlet Vanes
- Inlet Guide Vanes
- Radial Inlet Damper

Application: Used for clean airstreams up to 600 F.
o
Same function as the external inlet vane, but the
vanes are nested within the inlet funnel. Replacing
the vanes require the inlet funnel assembly to be
replaced. Vanes come standard with a manual
handle, but can be provided with an actuator.
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