Installed In Duct
Smoke Dampers
MINIMUM OPENING SIZE:
11″w x 8.25″h (280 mm x 210 mm)
MAXIMUM SINGLE-SECTION OPENING SIZE:
36″w x 48″h (915 mm x 1220 mm)
MAXIMUM MULTI-SECTION OPENING SIZES:
144″w x 96″h (3658 mm x 2438 mm) or
288″w x 48″h (7316 mm x 1220 mm)
- Features
- Documents
- Damper is manufactured so that the finished outside frame dimensions are ¼” (6.4 mm) smaller than specified opening width & height dimensions.
- Linkage must remain accessible after installation.
- In Duct install type, single section dampers are constructed with a 2″ (51 mm) flange behind the linkage and a ¾” (19 mm) flange at the front of the linkage, to facilitate access from the face side of the damper.
- Linkage for multi-section dampers is located where damper sections meet and can be accessed from the face side of the damper assembly.