Greenheck Fan Ventilation Hood ES 10 Series User Manual

Extruded BACKDRAFT DAMPER  
ADJUSTABLE COUNTERBALANCE  
ES-10 SERIES  
Horizontal Mount Vertical Airflow Up  
Application and Design  
The ES-10 series is a horizontally mounted backdraft damper  
that is designed to allow vertical airflow up and prevent  
reverse airflow. The damper is opened by air pressure  
differential and closed by gravity. Standard models include  
adjustable internal counterbalance to assist opening.  
Ratings (See page 2 for specific limitations)  
Pressure: 2.5 in. wg (622 Pa) - differential pressure  
Velocity: 2000 fpm (10.2 m/s)  
Temperature: 180°F (82ºC)  
Standard Construction  
H*  
W*  
Frame: 6063T5 extruded aluminum  
(0.063 in. [1.6mm] thickness).  
Blades: 6063T5 extruded aluminum  
(0.050 in. [1.3mm] thickness).  
Axle Bearings: Synthetic polycarbonate sleeve type.  
Linkage: 1/8 in. (3mm) aluminum.  
Blade Seals: Vinyl.  
*W & H dimensions furnished approximately 1/4 in. (6mm) under size.  
Size Limitations  
Minimum Size: 6 in. W x 8 in. H  
3"  
(152mm x 203mm)  
Maximum Size: 40 in. W x 52 in. H  
2"  
(1016mm x 1321mm)  
2" Max.  
Options and Accessories  
• 11/2 in. (38mm) flange on discharge: ES-11  
• 11/2 in. (38mm) flange on intake:  
• Pull Chain Actuator  
ES-12  
ES-10  
No Flange  
• Wing Nut Actuator  
1 1/2"  
1 1/2"  
ES-11  
FlanEgeSO-n1I2ntake  
Flange On Discharge  
 

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