Greenheck ESK-402RM Installation Manual
Recessed Mullion Louver
K Blade
Application and Design
ESK-402RM is a weather louver designed to protect air
intake and exhaust openings in building exterior walls. Design
incorporates K style blades, sloped sill and recessed mullion for
a continuous blade appearance when multiple sections wide.
The ESK-402RM is an AMCA CERTIFIED LOUVER 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 . . . . . . . .K style, heavy gauge extruded 6063-T5
aluminum, 0.081 in. nominal wall thickness,
positioned at 37º and 45º angles on
approximately 4 in. centers
Construction . . .Mechanically fastened
Recessed
Mullion . . . . . . . Heavy gauge extruded 6063-T5 aluminum,
0.125 in. nominal wall thickness
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.)
Options (at additional cost)
• A variety of bird and insect screens
• Blank off panel
• Clip angles
• Extended sill
• Filter rack
• Flanged frame
• Security bars
• Welded construction
• 0.125 in. nominal wall thickness
• A variety of architectural finishes including:
Clear anodize
Integral color anodize
Baked enamel paint
Kynar paint
ESK-402RM
WATER
PENETRATION
AIR
PERFORMANCE
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
®
*Width and height dimensions furnished
approximately ¼ inch under size.
Free Area Chart (Sq. ft.)
Height
in
Inches
12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
12 0.27 0.45 0.62 0.80 0.98 1.15 1.33 1.46 1.64 1.81 1.99 2.16 2.34 2.52 2.69 2.82 3.00 3.18 3.35
18 0.53 0.87 1.21 1.55 1.89 2.24 2.58 2.83 3.18 3.52 3.86 4.20 4.54 4.89 5.23 5.48 5.83 6.17 6.51
24 0.77 1.28 1.78 2.28 2.78 3.28 3.78 4.16 4.66 5.16 5.66 6.17 6.67 7.17 7.67 8.05 8.55 9.05 9.55
30 0.99 1.64 2.28 2.92 3.57 4.21 4.85 5.34 5.98 6.62 7.27 7.91 8.55 9.20 9.84 10.32 10.97 11.61 12.25
36 1.24 2.05 2.85 3.66 4.47 5.27 6.08 6.68 7.49 8.29 9.10 9.91 10.71 11.52 12.32 12.93 13.73 14.54 15.35
42 1.46 2.41 3.36 4.31 5.26 6.21 7.16 7.87 8.82 9.76 10.71 11.66 12.61 13.56 14.51 15.22 16.17 17.12 18.07
48 1.72 2.84 3.95 5.07 6.18 7.30 8.42 9.25 10.37 11.48 12.60 13.72 14.83 15.95 17.06 17.90 19.02 20.13 21.25
54 1.97 3.24 4.52 5.80 7.07 8.35 9.62 10.58 11.86 13.13 14.41 15.68 16.96 18.24 19.51 20.47 21.75 23.02 24.30
60 2.19 3.61 5.02 6.44 7.86 9.28 10.70 11.76 13.18 14.60 16.02 17.44 18.86 20.28 21.70 22.76 24.18 25.60 27.02
66 2.43 4.01 5.59 7.17 8.75 10.33 11.91 13.09 14.67 16.25 17.83 19.41 20.99 22.57 24.15 25.33 26.91 28.49 30.07
72 2.65 4.37 6.09 7.81 9.53 11.25 12.97 14.26 15.98 17.70 19.42 21.14 22.86 24.58 26.30 27.59 29.31 31.03 32.75
78 2.91 4.80 6.68 8.57 10.45 12.34 14.23 15.64 17.53 19.42 21.30 23.19 25.08 26.96 28.85 30.26 32.15 34.04 35.92
84 3.12 5.15 7.18 9.21 11.23 13.26 15.29 16.81 18.83 20.86 22.89 24.91 26.94 28.97 30.99 32.52 34.54 36.57 38.60
90 3.38 5.57 7.77 9.96 12.15 14.35 16.54 18.18 20.38 22.57 24.76 26.96 29.15 31.34 33.54 35.18 37.37 39.57 41.76
96 3.63 5.98 8.33 10.68 13.04 15.39 17.74 19.51 21.86 24.21 26.57 28.92 31.27 33.62 35.98 37.74 40.09 42.45 44.80
102 3.84 6.34 8.83 11.32 13.82 16.31 18.81 20.68 23.17 25.66 28.16 30.65 33.14 35.64 38.13 40.00 42.49 44.99 47.48
108 4.10 6.76 9.41 12.07 14.73 17.39 20.05 22.04 24.70 27.36 30.02 32.68 35.33 37.99 40.65 42.64 45.30 47.96 50.62
114 4.32 7.12 9.92 12.72 15.52 18.32 21.12 23.23 26.03 28.83 31.63 34.43 37.23 40.03 42.83 44.93 47.73 50.54 53.34
120 4.57 7.54 10.51 13.47 16.44 19.41 22.38 24.60 27.57 30.53 33.50 36.47 39.43 42.40 45.37 47.59 50.56 53.53 56.49
Width in Inches
ESK-402RMPERFORMANCE DATA
Stationary Louver K Blade
Extruded Aluminum
Greenheck
Fan
Corporation
certifies that
WATER
PENETRATION
PERFORMANCE
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
are licensed to 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.
AIR
®
the ESK402RM
louvers
shown
herein
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
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
Intake
Exhaust
2345678910
3
) Water Penetration (Standard Air - .075 lb/ft3)
Free Air Velocity
Model ESK-402RM 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. Test duration of 15 min.
ml/m2 oz/ft2
Area
Water Penetration per Unit Free
0.30
Test Size 48 in. x 48 in.
80
60
40
20
0
ft/min:
m/s:
Test Period 15 minutes
0.25
Standard Air - .075 lb/ft
0.20
0.15
0.10
0.05
0.00
600 650 700 750 800 850 900
3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5
3
Free Area Velocity
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.
water penetration for Model ESK-402RM is 677 fpm free area
The beginning point of
*
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.
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