
5
Standard Construction Features
The fan housing is constructed of rigid structural
members and formed galvanized steel panels.
centrifugal wheel is utilized to deliver maximum
dynamically balanced.
for easy duct connection. The square design
provides a larger discharge area than tubular,
centrifugal, and vane axial fans; outlet velocities
are reduced for quieter operation.
The cabinet construction features two side
to all internal components. The access panels
have been removed on the drawing.
fasteners, sliding the motor plate, and retightening
fasteners.
motors are selected to provide years of trouble-
free operation with minimal maintenance.
100 percent factory tested and designed
specifically for air handling applications with a
10
50
Drives are sized for a minimum of 150 percent
static free and oil resistant.
first critical speed is at least 25 percent over the
where the shaft makes contact with bearings
result in longer bearing life.
and wiring is provided from the motor as
disconnect switches are optional.
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