Shutter mounting locationWall
Rough opening width24 1/2"
Frame material thickness4/5"
Frame opening b24"
Max. air velocity3250 FPM
Opening typeGravity
Frame opening a24"
Rough opening dia.24 1/2"
No. of panels1
Rough opening shapeSquare
Airflow directionHorizontal
Seal materialNot Applicable
Single acting/double actingSingle Acting
Blade material thickness4/5"
Shutter mounting positionVertical
Pressure drop @ 1000 fpmNot Applicable
Fusible link temp.Not Applicable
For nominal duct dia.Not Applicable
For duct shapeNot Applicable
Flange typeRear Flange
Damper typeStatic
Damper finishMill Finish
CounterbalancedNo
Overall width27"
Overall dia.27"
Overall height27"
Frame depth3"
Flange width1 1/2"
Max. velocity3000 FPM
For use withVertical Mounted Exhaust Fans
Blade materialAluminum
Blade typeFlat Blade
Closure typeGravity
Connection typeNot Applicable
For fuel typeNot Applicable
Bushing materialStainless Steel
Frame materialAluminum
Mounting positionVertical
Blade seal materialFelt
Blade orientationParallel Blades
Frame less flange24
Acma leakage classNot Applicable
Damper applicationBackdraft
Frame opening height24 1/2"
Rough opening length24 1/2"
Frame opening width24 1/2"
Open depth6 1/4"
Mounting hole di.1/4"
IncludedExtruded Aluminum Louvers
Mounting hole dia.1/4"
Free area3.3 sq. ft.
Closure velocity rating3250 FPM
Tie rod materialStainless Steel Frame And Tie Rods
Max. pressure1 in. wc
TypeGravity Operated Single Panel
Frame finishMill
Max. ambient temp.180°F
Switch actionNormally Closed
ActionSingle Acting
Mounting locationWall
SeriesEAS-HDGS Series
Tie rod materialStainless Steel
Fits fan dia.24"
Overall square27"