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Contents
Q Fan Accessories
• Inlet flange — for simplified, rigid
connection of ductwork to inlet end of
fan
•
Inlet screen — safety accessory
mounted to fan inlet. Heavy, plated
steel wire
Note: inlet screen and inlet flange are
mutually exclusive.
•
Inlet vanes — mechanically modulate
fan capacity
•
Inlet bellmouth — used with unducted
or plenum applications. Improves air
flow and reduces noise.
•
Inlet silencer (long or short) — flex
connected to Q fan
•
Outlet flange — for simplified, rigid
connection of ductwork to outlet end of
fan
•
Outlet screen — safety accessory
mounted to fan outlet. Heavy, plated
steel wire
Note: outlet screen and outlet flange
are mutually exclusive.
•
Outlet duct diffuser (equalizer) —
makes fan outlet diameter equal to inlet
diameter
•
Outlet flow stabilization screen — small
mesh outlet screen. Helps offset effect
of poor outlet airflow conditions
•
Outlet silencer (short or long) — flex
connected to Q fan
•
Vertical mounting legs — used with
arrangement 9 for vertical discharge
floor and ceiling mounted
•
Isolators — to eliminate vibrations for
floor, ceiling and vertical installations
•
Special coatings — to protect against
alkyds, acids and corrosive
environments
•
Access door — available on sizes 49, 54
and 60 for easier service
•
Drain — recommended to drain off the
condensate where moisture-laden air is
exhausted
•
Copper grease lines — plastic lines are
standard
•
Double acoustic enhancement —
insulation and perforated sheet metal
to attenuate radiated sound
•
Fan insulation — self-adhesive foam,
applied on the outside of the fan shell
to protect against moisture
•
Variable frequency inverter balancing
and reinforcement (frequency inverter
by others). This option requires
constant pitch drives.
Model Q Fan — Arrangement 9
Features and Benefits 2
Model Number Description 12
Application Considerations 13
Selection Procedure 21
Performance Data 22
Dimensional Data and Weights 48
Mechanical Specifications 54
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