Greenheck SES-401 Installation Manual
Sightproof Louver
Application and Design
SES-401 is a sightproof louver designed to protect air intake
and exhaust openings in building exterior walls. Design
incorporates Chevron style blades to prevent maximum
resistance to visual see through. The SES-401 is an extremely
efficient louver with AMCA LICENSED PERFORMANCE
DATA enabling designers to select and apply with confidence.
Standard Construction
Frame . . . . . . . .Heavy gauge extruded 6063-T5 aluminum,
4 in. x 0.081 in. nominal wall thickness
Blades . . . . . . . .Chevron style, heavy gauge extruded
6063-T5 aluminum, 0.081 in. nominal wall
thickness, positioned on approximately 4 in.
centers
Construction . . .Mechanically fastened
Birdscreen . . . . .3/4 in. x 0.051 in. fl attened expanded
aluminum in removable frame, inside mount
(rear)
Finish . . . . . . . . . Mill
Minimum Size . . 12 in. W x 12 in. H
Maximum Single
Section Size . . . 120 in. W or 120 in. H (limited to 70 ft. sq.)
SES-401
WATER
PENETRATION
AIR
PERFORMANCE
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
®
Options (at additional cost)
• A variety of bird and insect screens
• Blank off panel
• Extended sill
• Filter rack
• Flanged frame
• Hinged frame
• Security bars
• A variety of architectural finishes including:
Clear anodize
Integral color anodize
Baked enamel paint
Kynar paint
*Width and height dimensions furnished
approximately ¼ inch under size.
Free Area Chart (Sq. ft.)
Louver
Height
Inches
12 18 30 36 48 54 66 72 84 90 102 108 120
12 0.19 0.30 0.54 0.65 0.89 1.00 1.21 1.33 1.56 1.68 1.91 2.03 2.23
18 0.34 0.55 0.98 1.19 1.62 1.83 2.21 2.42 2.85 3.06 3.49 3.70 4.08
24 0.53 0.87 1.54 1.88 2.55 2.88 3.47 3.81 4.48 4.81 5.49 5.82 6.41
30 0.65 1.07 1.92 2.34 3.19 3.61 4.35 4.77 5.62 6.00 6.78 7.20 8.05
36 0.81 1.33 2.36 2.87 3.90 4.42 5.32 5.83 6.86 6.04 8.40 8.92 9.82
42 0.97 1.59 2.82 3.43 4.66 5.27 6.35 6.96 8.19 8.80 10.03 10.65 11.72
48 1.11 1.82 3.22 3.93 5.33 6.04 7.27 7.97 9.38 10.08 11.49 12.19 13.42
54 1.32 2.15 3.82 4.66 6.32 7.16 8.62 9.45 11.12 11.95 13.62 14.45 15.91
60 1.45 2.36 4.19 5.10 6.93 7.84 9.44 10.35 12.18 13.09 14.92 15.83 17.43
66 1.61 2.62 4.65 5.67 7.69 8.71 10.48 11.50 13.53 14.54 16.57 17.59 19.36
72 1.76 2.87 5.10 6.21 8.43 9.54 11.49 12.60 14.82 15.93 18.16 19.27 21.21
78 1.89 3.08 5.47 6.66 9.05 10.24 12.33 13.52 15.91 17.10 19.49 20.68 22.77
84 2.11 3.44 6.10 7.44 10.10 11.43 13.76 15.09 17.75 19.09 21.75 23.08 25.41
90 2.22 3.62 6.43 7.83 10.64 12.04 14.50 15.90 18.71 20.11 22.91 24.32 26.77
96 2.40 3.91 6.94 8.46 11.49 13.00 15.65 17.17 20.20 21.71 24.74 26.25 28.91
102 2.55 4.16 7.38 8.99 12.20 13.89 16.63 18.24 21.46 23.07 26.29 27.90 30.71
108 2.68 4.37 7.76 9.45 12.84 14.53 17.50 19.19 22.58 24.27 27.66 29.35 32.31
114 2.84 4.64 8.23 10.03 13.62 15.42 18.56 20.36 23.95 25.74 29.34 31.13 34.27
120 3.00 4.89 8.68 10.57 14.35 16.25 19.56 21.45 25.24 27.13 30.91 32.81 36.12
Airflow Resistance (Standard Air - .075 lb/ft
Pa
in. wg
1
0.9
200
100
90
80
70
60
50
40
30
20
Static Pressure Drop
10
9
8
7
6
5
ft/min
m/s
Model SES-401 resistance to airflow (pressure drop) varies
depending on louver application (air intake or air exhaust).
Free area velocities (shown) are higher than average
velocity through the overall louver size. See louver selection
information.
Test Size 48 in. x 48 in.
0.8
Standard Air - .075 lb/ft
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
200200 300 400 500 600 700 800 900 1000 2000 3000
3
Exhaust
Intake
2345678910
Free Air Velocity
Louver Width in Inches
3
) Water Penetration (Standard Air - .075 lb/ft3)
Test size 48 in. x 48 in. Test duration of 15 min.
ml/m2 oz/ft2
0.30
80
0.25
0.20
60
0.15
40
0.10
20
Water Penetration per Unit Free Area
0.05
0.00
0
ft/min:
m/s:
The AMCA Water Penetration Test provides a method for comparing
various louver models and designs as to their efficiency in resisting
the penetration of rainfall under specific laboratory test conditions. The
beginning point of water penetration is defined as that velocity where the
water penetration curve projects through .01 oz. of water (penetration)
per sq. ft. of louver free area.
penetration for Model SES-401 is 718 fpm free area velocity.
These perfor mance ratings do not guarantee a louver to be weather proof
or stormproof and should be used in combination with other factors
including good engineering judgement in selecting louvers.
Extruded Aluminum
WATER
PENETRATION
PERFORMANCE
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
bear the AMCA Seal. The
ratings shown are based
on tests and procedures
performed in accordance
with AMCA Publication
511 and comply with
the requirements of the
AMCA Certified Ratings
Program. The AMCA
Certified Ratings Seal
applies to air performance
and water penetration
ratings.
Test Size 48 in. x 48 in.
Test Period 15 minutes
Standard Air - .075 lb/ft
600 650 700 750 800
3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0
3
Free Area Velocity
The beginning point of water
*
SES-401PERFORMANCE DATA
Sightproof Louver
Greenheck
Fan
Corporation
certifies that
AIR
the SES401 louvers
shown
®
herein are
licensed to
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