Brochure

Ceiling Diffusers
34
Ceiling Diffusers
ECFM Aluminum
Diffuser
Integral opposed-blade
damper with lever for face
operation
Center mullions provided on
sizes over 18" x 18"
All extruded aluminum
construction
Furnished with mounting
screws and gasket
Bright White finish
Engineering Data on Page 122
SD/SDD Diffuser
Extruded aluminum
construction
Annular rings to provide
minimum resistance
Face only on SD
Opposed-blade aluminum
damper available with SDD
Bright White finish
Only available in sizes shown
Note: SDD in size 20" x 20" is
furnished with two separate
dampers and operators.
A500P T-Bar Panel for
A500 Series Diffusers
Steel construction
Adapts A500 diffuser to
T-Bar installation
Diffuser snaps in behind
panel for clean appearance
Diffuser must be ordered
separately
Bright White finish
Shown: A504MS/A504OB
four-way deflection
SDD
A500P T-Bar Panel Available Sizes (in.)
Opening 6 to 14
Overall 23
3
/
4
x 23
3
/
4
6 8 10 12 14 16 18 20
6 X
8 X
10 X
12 X
14 X
16 X
18 X
20 X
SD/SDD Available Sizes (in.)
WIDTH
HT
ECFM Available Sizes (in.)
12x12, 14x14, 16x16, 18x18, 20x20, 22x22, 24x24