Brochure

Ceiling Diffusers
Ceiling Diffusers
31
23 Opposed-Blade Damper
•
All-steel construction
•
Used with #24 Ceiling Diffuser
•
Controls air volume over entire
diffuser
•
Key operated
•
Mill finish
22 Butterfly Damper
•
All-steel construction
•
Used with #24 Ceiling Diffuser
•
Knob control for quick adjustment
(removable)
•
Installation flange included
•
Golden Sand enamel finish
Only available in sizes shown.
21 Installation Frame
•
All-steel construction
•
Golden Sand enamel finish
Note: Not furnished with #24
diffuser.
Not required when using 22 Butterfly
Damper or 23 Opposed Blade
Damper.
Cannot be used with SD and SDD.
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.)