Greenheck Extruded Backdraft Damper ES-30 User manual

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.
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
/8in. (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)
Options and Accessories
• 11 /2in. (38mm) Flange On Discharge: ES-31
 • 11 /2in. (38mm) Flange On Intake: ES-32
 • CounterbalanceWeights
 • PullChainActuator
 • WingNutActuator
DAMPERS AND LOUVERS
*W & H dimensions furnished approximately 1 /4in. (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eldadjustment.Instructionsareavailableatwww.greenheck.com.

Specifications
Backdraft dampers meeting the following specifications
shall be furnished and installed where shown on plans and/
or as described in schedules. Dampers shall consist of:
6063T5 extruded aluminum channel frame (0.063 in. [1.6mm]
thick) with 2 in. (51mm) depth; blades from 0.050 in. (1.3mm)
6063T5 extruded aluminum; synthetic polycarbonate axle
bearings;dampershallbeequippedwithextrudedvinylblade
seals; and internal 1 /8in. (3mm) aluminum linkage. Damper
1.0
.9
.8
.7
.6
.5
.4
.3
.2
15
10
9
8
7
6
5
4
3
2
Air Leakage in CFM/Sq. Ft.
1 2 3 4 5 6 7 8 910 20 30 40 50 60 70 80 90 100 150
ES
Static Pressure Difference (in. wg)
LeakagetestingwasconductedinaccordancewithAMCA
Standard500-DandisexpressedasCFMpersq.ft.of
damperfacearea.Alldatahasbeencorrectedtorepresent
standard air at 0.075 lb/ft3 (1.201 kg/m3).
Leakage
36” x 36” Damper
ÆP in. wg Velocity
Operational Data (Pa) fpm (m/s)
Without Weights Blades Start to Open 0.05 (12) 35 (.18)
Blades Fully Open 0.27 (67) 1000 (5.1)
With Weights Blades Start to Open 0.015 (3.7) 15 (.08)
Blades Fully Open 0.13 (32) 600 (3.1)
Velocity (fpm)
1
x 10
Pressure Loss ( In. w.g.)
10
9
8
7
6
5
4
3
2
2 3 4 5 6 7 8 910
1.0
.9
.8
.7
.6
.5
.4
.3
.2
.10
.09
.08
.07
.06
.05
.04
.03
.02
x 100
2 3 4 5 6 7 8 910
x 1000
2 3 4 5 6 7 8 910
With Weights
Without Weights
Pressure Drop
36” x 36” Damper
manufacturer’s printed application and performance data
including pressure, velocity and temperature limitations
shall be submitted for approval showing damper suitable
for pressures to 2.5 in. wg (623 Pa), velocities to 2000 fpm
(10.2m/s) and temperatures to 180°F (82ºC). Testing and
ratingstobeinaccordancewithAMCAStandard500-D.
Basis of design is Greenheck model ES-30.
Performance data results from testing a 36” x 36” damper
inaccordancewithAMCAStandard500-DusingFigure
5.5(noducteitherside).Alldatahasbeencorrectedto
represent standard air at 0.075 lb/ft3 (1.201 kg/m3).
Leakage Pressure Drop
Copyright © 2008 Greenheck Fan Corporation
ES-30Rev.3Aug2008
Performance Data ES-30