H / L 150
200
300
400
500
600
700
800
900
150
300
450
600
750
900
Fire dampers with fusible link, FLD-S-U /
FLD-S-UD. Approval UL
Construction details:
Dimensions:
Construction details
Damper frame or casing material
Galvanised steel
Damper frame or casing thickness
1.6 mm
Damper frame or casing profile type
Omega profile – 123 mm thick
Closing blade material
Galvanised steel
Closing blade thickness
1.6 mm
Closing blade type
Type triple V
Sealing. Airtightness
Integrated gasket in the casing or frame
Damper shaft bearings
Bronze casing pressed into the casing or frame
Damper shaft material
Sheet steel
Actuation temperature
Fuse calibrated at 74 ºC
Damper exterior cover
Minimum length 432 mm, galvanized steel, 1 mm thickr
Dimensions
Simple selection (L x H)
Larger sizes require to be provided
as individual dampers for on-site
assembly.
300 x 150 mm (minimum dimension)
914 x 914 mm (maximum dimension)
FLD-S-U
FLOW
L
H
Series FSD-FLD
7
