Greenheck Fan Ventilation Hood SEBR 10 User Manual

BAROMETRIC RELIEF DAMPER  
ADJUSTABLE COUNTERBALANCE  
DAMPERS AND LOUVERS  
SEBR-10 SERIES  
Horizontal Mount Vertical Airflow Up  
Application and Design  
The SEBR-10 series is a severe environment 316 stainless steel eccentrically pivoted backdraft damper for low velocity  
systems. SEBR-10 series is a horizontally mounted damper and designed to allow vertical airflow up and prevent reverse  
airflow. On-blade counterweights are provided to fine tune start-to-open and full open blade operation. Ball bearings minimize  
friction.  
Recommended Applications:  
Gravity hood intake and exhaust  
• Stairwell pressurization  
• Room pressurization  
• Ductwork outlets  
Poor Applications:  
• Propeller fan outlets (high velocity)  
• Centrifugal fan outlets (high velocity)  
• Building pressurization (sensitive to wind)  
• Pressure relief exceeding 0.13 in. wg (32 Pa)  
H*  
Ratings  
W*  
Back Pressure: 2.0 in. wg (500 Pa)  
Start-to-Open Pressure: 0.05 in. wg (12 Pa)  
Velocity: 2000 fpm (10.2m/s)  
Temperature: 180°F (82ºC)  
Standard Construction  
Frame: Insert mount 16 ga. (1.5mm) 316 stainless  
*W & H dimensions furnished approximately 1/4 in.(6mm) under size.  
steel hat channel  
Blades: 20 ga. (1mm) 316 stainless steel,  
eccentrically pivoted  
3
Axles: /8 in. (9.5mm) square 316 stainless steel  
Bearings: 316 stainless steel with acetal races  
5"  
Linkage: 316 stainless steel,  
4 3/8 in.  
MAX  
side mounted (out of airstream)  
SEBR-10  
No flange  
Blade Seals: Pressure activated vinyl  
Counterbalance: Blade mounted with adjustable  
316 stainless steel weights  
1 in. MAX  
Size Limitations  
Minimum Size: 8 in. W x 6 in. H  
SEBR-11  
Flange on  
Discharge  
(203mm x 152mm)  
Maximum Panel Size: 48 in. W x 74 in. H  
(1220mm x 1880mm)  
1.5 in.  
Options  
SEBR-12  
Flange on  
Intake  
• EPDM segmented jamb seals  
• Selectable start open from .05 to .13 in. wg  
(12 Pa - 32 Pa)  
1.5 in.  
Airflow  
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