
Duct mounted supply, exhaust, or return fans
shall be of the centrifugal, belt driven, inline
type. The fan housing shall be of the square
design constructed of heavy gauge galvanized
steel or aluminum and shall include square
duct mounting collars.
access panels located perpendicular to the
motor mounting panel. The access panels must
be of sufficient size to permit easy access to
all interior components.
The fan wheel shall be centrifugal backward
inclined, constructed of aluminum, and shall
include a wheel cone carefully matched to
the inlet cone for precise running tolerances.
Wheels shall be statically and dynamically
balanced.
type carefully matched to the fan load and
furnished at the specified voltage, phase, and
maintenance.
10
50
average life
Drives shall be sized for a minimum of 150 percent of driven horsepower.
shafts.
provided from motor to the handy box.
individual serial number for future identification.
Belt Drive Specifications
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