Eggcrate Grille

Type EGO & Type EGOR

All eggcrate core extract grilles incorporate a 12.5mm2 aluminium eggcrate mesh for use where a high free area single side wall grille is required. They can be used in continuous line extract applications and also on supply air for air curtains and downward projections of warm air.

The units are available to completely replace tiles and are sized at 595 square overall to lay-in to the rear of the tile tee system. Also for hospital and clean area use eggcrates are available with removable or hinged cores to facilitate cleaning.

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SDO-DDO Selection Data

Air Volume m³/secSpigot Velocity m/secGrille Size width x height Pressure Drop n/m²Sound Rating nc
0.252.5150x10012-
0.052.22150x150 11-
0.0753.33
1.87
150x150
200x200
29
10
24
-
0.104.75
2.50
2.00
200x150
200x200
250x200
33
16
11
30
18
12
0.154.75
2.4
3.0
200x200
250x200
250x250
33
12
19
32
13
22
0.204.74
3.2
2.66
250x200
250x250
300x250
34
21
17
33
24
20
0.254.00
2.77
3.12
300x250
300x300
400x200
29
21
25
30
24
27
0.304.75
3.33
3.42
300x250
300x300
350x250
34
27
31
34
28
30
0.403.26
3.20
2.96
350x350
500x250
900x150
27
26
21
28
28
25
0.53.12
3.03
2.77
3.0
400x400
550x300
900x200
450x450
23
23
20
20
26
26
22
25
0.63.0
2.66
3.50
500x400
750x300
450x450
20
17
27
25
23
34
0.73.50
3.11
500x400
750x300
27
24
34
31
0.83.2
2.85
3.33
500x500
700x400
800x300
26
16
26
34
22
34
0.94.0
3.5
2.7
2.0
500x500
600x500
600x600
750x600
28
22
12
7
36
30
24
20
1.03.0
2.75
2.25
2.25
600x600
750x600
750x750
900x600
20
15
10
11
30
24
20
22

All aluminium extruded frame with 12.5mm2 aluminium core with mitred corners all manufactured from HE9TF.

50mm increments from 100mm2.There are no limits on the overall sizes of eggcrates when used with jointing mullions.

Epoxy polyester powder coat from the RAL range of standard colours.

Hidden fixing by screwing to the duct with a removable core or screwed through face flange via N°6 or N°8

18mm long self tapping screws provided. Drop in cores, simply remove the lay-in tile and replace with the eggcrate grille.

We are able to offer a range of special shaped egg crate grilles including circular, triangular and trapezoid.

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