Greenheck Fan ES-10 Series dimensions Extruded BACKDRAFT DAMPER, Application and Design, ES-11

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

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*

*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)
Options and Accessories		2" Max.

•11/2 in. (38mm) flange on discharge: ES-11

• 11/2 in. (38mm) flange on intake:		ES-12	ES-10
•	Pull Chain Actuator		No Flange
•	Wing Nut Actuator

1 1/2"

ES-11

Flange On Discharge

1 1/2"

ES-12

Flange On Intake

Note: Counterbalance weigths may require field adjustment. Instructions are available at www.greenheck.com.