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MULTI-BLADE FIRE DAMPERS
MODELS: D1250/D1251/D1252/D1253
VARIABLES / ACCESSORIES
VARIABLES:
CODE
DESCRIPTION
MOUNTING:
V
Vertical Mount (wall)
H
Horizontal Mount (floor)
MAXIMUM VELOCITY /
24
2000 fpm @ 4" w.g.
PRESSURE RATING:
34
3000 fpm @ 4" w.g.
CLOSURE DEVICE:
FL
Fusible Link
CLOSURE TEMP.:
165
165°F (74°C)
212
212°F (100°C)
SLEEVE LENGTH:
Specify Sleeve Length:
12" (305) to 36" (914)
SLEEVE GAUGE:
20 G
20 ga. (1.0 mm)
18 G
18 ga. (1.2 mm)
16 G
16 ga. (1.6 mm)
14 G
14 ga. (2.0 mm)
10 G
10 ga. (3.5 mm)
IF MODEL D1253 IS SELECTED,
CR
Round Type C Transitions
SPECIFY TYPE OF TRANSITION:
CO
Oval Type C Transitions
CSR
Square/Rect. Type C Transitions
DAMPER LOCATION
L8
8" (204) from Sleeve End
IN SLEEVE:
L0
Specify Dimension from Sleeve End
OPTIONAL JAMB SEALS:
JSM
Flexible Metal Jamb Seals
OPTIONAL BLADE SEALS:
BPV
PVC Blade Seals
ACCESSORIES:
CODE
DESCRIPTION
POSITION INDICATOR:
300
MLS-300 Switch Pack
SIDE MTG. PLATE:
SMP
Side Mounting Plate (required for
mounting of MLS-300 without sleeve)
RETAINING ANGLES:
QS1
One "Quick Set" retaining angle
QS2
Set of two "Quick Set" retaining angles
FLANGED SLEEVE:
TDF1
TDF Flange on One End
(MODEL D1251 ONLY)
TDF2
TDF Flange on Both Ends
E19
VEE-GROOVE BLADE FIRE DAMPERS
E
MUL
TI-BLADE
FIRE
DAMPERS
E19
Revised September 23, 2004
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