Brochure
Ceiling Diffusers - Steel
29
24 Square Ceiling
Diffuser
• All-steelconstruction
• Step-downfacedeflects
air stream 360 degrees
• BrightWhitefinish
Only available in sizes shown.
Size
Free Area
Sq. Inches
No. of
Cones
6 41 3
8 65 3
10 84 3
12 123 4
14 152 4
16 199 5
18 236 5
20 293 6
22 338 6
24 404 7
24 Ceiling Diffuser (in.)
22 Butterfly
Damper
• All-steel
construction
• Usedwith#24
Ceiling Diffuser
• Knobcontrolforquickadjustment
(removable)
• Installationflangeincluded
• GoldenSandenamelfinish
21 Installation Frame
• All-steelconstruction
• GoldenSandenamelfinish
• Usedbutnotfurnishedwith#24ceiling
diffusers.
Not required when using 22 Butterfly
Damper or 23 Opposed Blade Damper.
Cannot be used with SD or SDD.
Size A B
6
6
3
/
16
3
11
/
16
8
8
3
/
16
4
11
/
16
10
10
3
/
16
5
11
/
16
12
12
3
/
16
6
11
/
16
14
14
3
/
16
7
11
/
16
22 Available Sizes (in.)
21 Available Sizes (in.)
6, 8, 10, 12, 14, 16, 18, 20, 22, 24
23 Available Sizes (in.)
6, 8, 10, 12, 14, 16, 18, 20, 22, 24
Size A B
6
6
3
/
16
3
11
/
16
8
8
3
/
16
4
11
/
16
10
10
3
/
16
5
11
/
16
12
12
3
/
16
6
11
/
16
14
14
3
/
16
7
11
/
16
22 Available Sizes (in.)
21 Available Sizes (in.)
6, 8, 10, 12, 14, 16, 18, 20, 22, 24
23 Available Sizes (in.)
6, 8, 10, 12, 14, 16, 18, 20, 22, 24
23 Opposed-Blade Damper
• All-steelconstruction
• Usedwith#24CeilingDiffuser
• Controlsairvolumeoverentirediffuser
• Keyoperated
• Millfinish
Size A B
6
6
3
/
16
3
11
/
16
8
8
3
/
16
4
11
/
16
10
10
3
/
16
5
11
/
16
12
12
3
/
16
6
11
/
16
14
14
3
/
16
7
11
/
16
22 Available Sizes (in.)
21 Available Sizes (in.)
6, 8, 10, 12, 14, 16, 18, 20, 22, 24
23 Available Sizes (in.)
6, 8, 10, 12, 14, 16, 18, 20, 22, 24
Only available in sizes
shown.
Engineering Data on Page 86
Ceiling Diffusers - Steel