EAS-HDGS - Aluminum frame and blades - Rear flanged 12"-48" Maximum velocity 3250 FPM

The Model EAS-HDGS is a HEAVY DUTY rear flanged vertical mount automatic exhaust shutter. It is designed to allow horizontal airflow in one direction and to prevent reverse airflow while providing protection from environmental elements when the airflow stops. The blades open with airflow and close by gravity when the fan shuts down. Ideal for direct-drive or belt-driven exhaust fans. Do not use with vane axial or tube axial fans.

Standard Construction:
Frame: 3" deep x 1-1/2" flange x .080 6063T5/6 Extruded Aluminum with integrated weather stripping for strength and weather protection.
Blades: .080 6063T5/6 Extruded Aluminum.
Tie Rod: Stainless Steel for uniform opening and closing.
Bushings: 304 Stainless Steel pivot screws, rivets, and bushings.
Construction: Staked corners.
Mounting holes: 9/32" x 1/2" slotted.
Finish: Mill

Sizes (see chart on submittal dwg. for std. sizes):
Minimum: 12" W x 12" H
Maximum: 48" W x 48" H

Performance Criteria:
3250 FPM Maximum Velocity.
1" wg Maximum Pressure.
180 degree Maximum Temperature.

Options:
Manual pull chain operator.
Custom sizes available in whole inch increments.

We recommend mounting the shutter at least 1/3 the fan diameter away from the fan blade.

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EAS-HDGS

Tuesday, 02 June 2015
EAS-HDGS - Side View
EAS-HDGS - Side View