DFO-103 - page 5

FlangedOutlet
BeltGuard
Extended
GreaseFittings
InletScreen
Fittings are mounted on housing for
easy accessibility. They are recom-
mended for all continuous operation
installations.
SpecialPaintand
CorrosiveResistant
Coatings
Numerous finishes are available for a
variety of applications. Special materi-
als, such as aluminumor stainless can
alsobeprovided formost duties
.
Offered for all classes of fans, outlet
dampers feature low initial cost and
simpleoperation.However, theydonot
offer as large a horsepower savings at
reducedair volumeas the IVC.
Outlet dampershavepunched flanges
on both ends to simplify fan and duct
connections. Damper shafts are at
right angles to fanshaftwhenpossible.
Parallel acting blades are standard
with opposedbladedesignoptional.To
mount damper on the fan, a punched
flangedoutlet isneeded.
Three sides of thebelt guardare solid
metal with one side that is slotted for
ventilationand inspection.
Fan sizes 365 through 660 can be
furnishedwithhorizontal split housings
to facilitate wheel removal. Sizes 730
and above are furnished as standard
with split housings. Splits are bolted
andcaulkedonassembled fans.Larger
fanswith splitsmay not be shippedas-
sembled due to shipment dimensional
limitations. Consult your local Chicago
Blower sales representative.
Acontinuouslyweldedangle facilitates
attaching flexibleconnectorsmatching
the ductwork, or dampers, to the dis-
charge of the fan.Customand special
bolt patternpunchingavailable.
Welded steel wire screen is mounted
within the inlet cone or outside the
inlet vanes when furnished with Inlet
VolumeControl.
OutletDampers
The fanandadjustablemotor baseare
welded onto a unitary base of continu-
ously welded structural steel channel.
The height-saving brackets option is
recommended for use with available
vibration isolators
.
Clean-out
Door
The flushmounteddoor features quick
opening tensionclampsandgasket.An
all-bolted style is alsoavailable.
UnitaryBase
HousingDrain
A half coupling drain is welded at the
lowest point of the housing. Housing
drains areavailablewithdrainplugs.
SplitHousings
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