Brochure

Engineering Data on Page 99 (24 only)
Ceiling Diffusers - Steel
29
22 Butterfly Damper
• All-steel construction
• Used with #24 Ceiling Diffuser
• Knob control for quick adjustment
(removable)
• Installation flange included
• Golden Sand
enamel finish
21 Installation Frame
• All-steel construction
• Golden Sand enamel finish
• Used but not furnished with #24 ceiling
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-steel construction
• Used with #24 Ceiling Diffuser
• Controls air volume over entire diffuser
• Key operated
• Mill finish
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.
Ceiling Diffusers - Steel
24 Square Ceiling
Diffuser
• All-steel construction
• Step-down face deflects
air stream 360 degrees
• Bright White finish
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.)