are offered in one frame depth, blade angle and spacing.
Sand Louvers can be used as a Stage 1 filtration system to remove Sand and Dust particles from the supply airstream.
The Sand Louver design is similar to and performs like Wind Driven Rain Louver which makes this louver dual purpose, Sand Filtration for sandstorms and prevention of water ingress during wind-driven rains.
Available only in extruded aluminum with options to paint or anodize for additional protection.
Head: 0.125” Thick; Formed 6063-T5 Aluminum
Sill: 0.125” Thick; Formed 6063-T5 Aluminum
Jambs: 0.080” Thick; Extruded 6063-T5 Aluminum
Blades: 0.24” Thick at Edges, Reducing to 0.63”
Thickness at Midpoint of Profile
Blade Spacing: 1.25”
Assembly: Welded
Finish: Mill
Screen: None
Mullions: Exposed, Vertical with 1.75”x 0.080” 6063-T5
Extruded Aluminum Cover
(Multiple Panels Only);
Exposed, Horizontal
Finishes – Baked Enamel, Kynar, Anodize
Variety of Bird and Insect Screens
Extended Sill (formed 0.063” Aluminum)
Air Entering Side Flanged Frame
| Panels | Min. Panel | Max. Single Panel |
| EA-800 | 12”W x 18”H | 48”W x 96”H |
Approx Weight: 14 lbs per square foot. based on nominal size Ex. 48”x 48” = approx. 224 lbs.
| Model | Description | Blade | Frame | Free Area | Water Penetration Rating (WPR) Feet/minute |
@ 1,000 fpm Velocity thru Free Area, inwg |
Air Flow SCFM |
Core Velocity Feet/minute |
Sight Proof | Single Panel | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Orientation H - Horiz. V - Vert. |
Spacing Inches |
Depth Inches |
Sq. Ft. | % | Min W x H Inches |
Max W x H Inches |
|||||||
| EA-800 | Sand Louver Fixed Drainable | V | 1.25 | 8.00 | 4.41 | 27.56 | 1250 | 0.13 | 9667 | 2,190 | Y | 12 x 18 | 48 x 96 |
| WIDTH, in (mm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 12 (305) |
24 (610) |
36 (914) |
48 (1219) |
60 (1524) |
72 (1829) |
84 (2134) |
96 (2438) |
|||
| HEIGHT, in (mm) | 18 (457) |
0.18 (0.016) |
0.41 (0.038) |
0.65 (0.060) |
0.88 (0.081) |
1.12 (0.104) |
1.35 (0.125) |
1.58 (0.146) |
18.2 (0.169) |
1 SECTION HIGH |
| 24 (610) |
0.32 (0.030) |
0.73 (0.068) |
1.17 (0.109) |
1.58 (0.147) |
2.02 (0.188) |
2.43 (0.226) |
2.85 (0.265) |
3.28 (0.305) |
||
| 36 (914) |
0.60 (0.056) |
1.39 (0.129) |
2.21 (0.206) |
3.00 (0.278) |
3.82 (0.355) |
4.61 (0.428) |
5.39 (0.501) |
6.22 (0.578) |
||
| 48 (1219) |
0.89 (0.082) |
2.04 (0.190) |
3.26 (0.303) |
4.41 (0.410) |
5.63 (0.523) |
6.78 (0.630) |
7.93 (0.737) |
9.15 (0.850) |
||
| 60 (1524) |
1.17 (0.109) |
2.69 (0.250) |
4.30 (0.400) |
5.83 (0.541) |
7.43 (0.690) |
8.96 (0.832) |
10.48 (0.973) |
12.09 (1.123) |
||
| 72 (1829) |
1.46 (0.135) |
3.35 (0.311) |
5.35 (0.497) |
7.24 (0.673) |
9.24 (0.858) |
10.63 (0.988) |
12.52 (1.16) |
14.42 (1.34) |
2 SECTIONS HIGH | |
| 84 (2134) |
1.74 (0.162) |
4.00 (0.372) |
6.39 (0.594) |
8.65 (0.804) |
11.04 (1.03) |
12.71 (1.18) |
14.97 (1.39) |
17.23 (1.60) |
||
| 96 (2438) |
2.03 (0.188) |
4.66 (0.433) |
7.43 (0.691) |
10.07 (0.935) |
12.84 (1.19) |
14.78 (1.37) |
17.42 (1.62) |
20.05 (1.86) |
||
| 1 SECTION WIDE | 2 SECTIONS WIDE | |||||||||
| Free Area Velocity |
940 fpm (4.78 m/s) |
1300 fpm (6.6 m/s) |
1600 fpm (8.13 m/s) |
|---|---|---|---|
| Presure Drop | 0.10 inwg (24.91 Pa) |
0.20 inwg (49.82 Pa) |
0.30 inwg (74.73 Pa) |
| Sand Particle Size |
Removal Efficiency | ||
| 1-1100 micron |
96.1% | 86.3% | 74.3% |
| 1100-1500 micron |
99.9% | 99.8% | 99.2% |
| Orientation H - Horiz. V - Vert. |
Spacing Inches |
Depth Inches |
Sq. Ft. | % | Water Penetration Rating (WPR) Feet/minute |
@ 1,000 fpm Velocity thru Free Area, inwg |
Air Flow SCFM |
Core Velocity Feet/minute |
Sight Proof | Min W x H Inches |
Max W x H Inches |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EA-800 | Sand Louver Fixed Drainable |
V | 1.25 | 8.00 | 4.41 | 27.56 | 1250 | 0.13 | 9667 | 2,190 | Y | 12 x 18 | 48 x 96 | ||||||
| Notes: | |||||||||||||||||||
| Free Area Velocity |
940 fpm (4.78 m/s) |
1300 fpm (6.6 m/s) |
1600 fpm (8.13 m/s) |
|---|---|---|---|
| Presure Drop | 0.10 inwg (24.91 Pa) |
0.20 inwg (49.82 Pa) |
0.30 inwg (74.73 Pa) |
| Sand Particle Size |
Removal Efficiency | ||
| 1-1100 micron |
96.1% | 86.3% | 74.3% |
| 1100-1500 micron |
99.9% | 99.8% | 99.2% |
| HEIGHT, in (mm) |
WIDTH, in (mm) | ||||||
|---|---|---|---|---|---|---|---|
| 12 (305) |
24 (610) |
36 (914) |
48 (1219) |
60 (1524) |
72 (1829) |
84 (2134) |
|
| 18 (457) | 0.18 (0.038) | 0.41 (0.086) | 0.65 (0.122) | 0.88 (0.169) | 1.12 (0.217) | 1.35 (0.26) | 1.58 (0.308) |
| 24 (610) | 0.32 (0.073) | 0.73 (0.147) | 1.17 (0.198) | 1.58 (0.296) | 2.02 (0.376) | 2.43 (0.428) | 2.85 (0.508) |
| 36 (914) | 0.60 (0.139) | 1.39 (0.221) | 2.21 (0.381) | 3.00 (0.564) | 3.82 (0.708) | 4.61 (0.85) | 5.39 (0.997) |
| 48 (1219) | 0.89 (0.204) | 2.04 (0.326) | 3.26 (0.444) | 4.41 (0.673) | 5.63 (0.858) | 6.79 (0.973) | 7.95 (1.065) |
| 60 (1524) | 1.17 (0.276) | 2.69 (0.43) | 4.30 (0.594) | 5.83 (0.804) | 7.43 (1.03) | 8.96 (0.832) | 10.48 (1.28) |
| 72 (1829) | 1.46 (0.135) | 3.35 (0.311) | 5.35 (0.497) | 7.24 (0.691) | 9.32 (0.935) | 10.63 (0.988) | 12.52 (1.16) |
| 84 (2134) | 1.74 (0.162) | 4.00 (0.372) | 6.43 (0.594) | 8.65 (0.804) | 10.07 (1.03) | 12.71 (1.18) | 14.94 (1.39) |
| 96 (2438) | 2.03 (0.188) | 4.66 (0.433) | 7.43 (0.691) | 10.07 (0.935) | 11.89 (1.19) | 14.78 (1.37) | 17.05 (1.62) |
At Ochoa Industries, we provide custom design solutions for industrial and marine applications. Our specialties include ventilation, noise control, and explosion-proof air conditioning, focusing on performance and safety.
Copyright © 2025 Ochoa Industries, All rights reserved.