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PERFORMANCE DATA
Performance data results from testing a 12 in. x 1 2 in. and 36 in. x 36 in. damper in accordance with AMCA Standard 500D
using Figure 5.3 (fully ducted), 5.2 (ducted exhausting into an open area), and 5.5 (plenum mounted) . All data has been
corrected to represent standard air density at 0.075 lb/ft
Damper size
12 in. x 12 in.
2.0
1.0
.9
.8
.7
.6
.5
.4
.3
.2
.1
.09
.08
.07
.06
.05
.04
.03
100
200
300
Specifications
Barometric backdraft dampers meeting the following specifications shall be furnished and installed where shown on plans
and/or as described in schedules.
Dampers shall consist of: 16 ga. (1.5mm) insert mount 316 stainless steel hat channel frame with 5 in. (127mm) depth; blades
will be 20 ga. (1mm) 316 stainless steel, eccentrically pivoted;
stainless steel bearings with acetal races; damper shall be equipped with pressure activated vinyl blade seals; and internal
316 stainless steel blade-to-blade linkage side mounted (out of airstream) with blade mounted 316 stainless steel
counterbalance weights.
Damper manufacturer's printed application and performance data including pressure, velocity and temperature limitations
shall be submitted for approval showing damper suitable for pressures to 2 in. wg (500 Pa), velocities to 2000 fpm (10.2m/s)
and temperatures to 180°F (82ºC). Testing and ratings to be in accordance with AMCA Standard 500D.
Basis of design is Greenheck model SEBR-10 series.
5.5
5.2
5.3
400 500 600
800
1000
2000
700
900
Velocity (fpm)
3
3
(1.201 kg/m
).
2.0
1.0
.9
.8
.7
.6
.5
.4
.3
.2
.1
.09
.08
.07
.06
.05
.04
.03
3000
100
3
⁄
in. (9.5mm) square 316 stainless steel axles with 316
8
GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
www.greenheck.com
SEBR-10 SERIES
Damper size
36 in. x 36 in.
200
300
400 500 600
800
1000
700
900
Velocity (fpm)
Copyright © 2004 Greenheck Fan Corp.
5.5
5.2
5.3
2000
3000
SEBR-10 series
Rev. 1 April 2004
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