TRUE ROUND FIRE DAMPERS
E33
MU
LTI-
BL
AD
E FIR
E D
AMP
ER
S
E
6" (152) dia.
8"
(2
03) dia.
10"
(254)
dia
.
12
" (305) dia.
14"
(3
56) dia.
16"
(406
) dia
.
18"
(45
7)
di
a.
Air Volume in CFM (through face area)
Static Pressure Drop in inches w
.g.
300
(142)
700
(330)
1000
(472)
2000
(944)
3000
(1416)
4000
(1888)
5000
(2360)
7000
(3303)
500
(236)
200
(94)
100
(47)
400
(189)
.01
(3)
.2
(50)
.02
(5)
.03
(8)
.1
(25)
.15
(37)
.04
(10)
.08
(20)
.05
(13)
.06
(15)
.7
(174)
.6
.5
(150)
(125)
.4
(100)
.3
(75)
.25
(62)
PRESSURE DROP
Pressure Drop tested per AMCA Standard 500-D, Fig. 5.5.
PERFORMANCE DATA:
MODEL SERIES: 1290F - 1 1/2 HOUR LABEL AND 1290F-SS - 1 1/2 HOUR LABEL
1290F Maximum Performance Ratings
UL 555 Fire Rating
1 1/2 Hour
Maximum Velocity
2000 fpm (10 m/s)
Maximum Pressure
4 in. w.g. (1 kPa)
1290F-SS Maximum Performance Ratings
UL 555 Fire Rating
1 1/2 Hour
Maximum Velocity
2000 fpm (10 m/s)
Maximum Pressure
4 in. w.g. (1 kPa)
