Greenheck Fan ES-30 Leaflet
Application and Design
The ES-30 series is a vertical mounted backdraft damper that is
designed to allow horizontal airflow and prevent reverse airflow.
The damper is opened by air pressure differential and closed by
gravity.
designed to allow horizontal airflow and prevent reverse airflow.
The damper is opened by air pressure differential and closed by
gravity.
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
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.
Size Limitations
Minimum Size (without weights): 4 in.W x 4 in. H
(102mm x 102mm)
Minimum Size (with weights): 6 in. W x 8 in. H
(152mm x 203mm)
Maximum Size: 40 in. W x 52 in. H
(1016mm x 1321mm)
(102mm x 102mm)
Minimum Size (with weights): 6 in. W x 8 in. H
(152mm x 203mm)
Maximum Size: 40 in. W x 52 in. H
(1016mm x 1321mm)
Options and Accessories
• 1
1
/
2
in. (38mm) Flange On Discharge: ES-31
• 1
1
/
2
in. (38mm) Flange On Intake:
ES-32
• Counterbalance Weights
• Pull Chain Actuator
• Wing Nut Actuator
DAMPERS AND LOUVERS
*W & H dimensions furnished approximately
1
/
4
in. (6mm) under size.
ES-30 SERIES
Vertical Mount - Horizontal Airflow
Extruded
BACKDRAFT DAMPER
W*
H*
3"
2" Max.
2"
3"
2" Max.
2"
3"
2" Max.
2"
3"
2" Max.
2"
ES-30
No Flange
3"
2" Max.
2"
ES-32
Flange On Intake
3"
2" Max.
2"
ES-31
Flange On Discharge
1
1
/
2
"
1
1
/
2
"
3"
2" Max.
2"
3"
2" Max.
2"
3"
2" Max.
2"
3"
2" Max.
2"
ES-30
No Flange
3"
2" Max.
2"
ES-32
Flange On Intake
3"
2" Max.
2"
ES-31
Flange On Discharge
1
1
/
2
"
1
1
/
2
"
ES-30
ES-31
ES-32
No Flange
Flange on Discharge
Flange on Intake
NOTE: Optional counterbalance weights shown.
Note: Counterbalance weights may require field adjustment. Instructions are available at www.greenheck.com.