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Damper
Filter
Flex
Jet_Diffuser
 
Ceiling Type Square Diffuser - SCD
SCD Supply diffusers provide non-smudging air distribution yet giving steady air flow touching the ceiling. Removeable snap-in cores provide easy installation and access to volumn damper. Available in 4,3,2,2-way corner and 1-way horizontal air diffusion patterns and also in square or rectanglar shape.

Square Diffusers Performance Data Model SCD
Neck Velocity In Feet Per Minute
Neck
Rating
400
500
600
700
800
900
1000
1200
1400
6" x 6 "
0.198
CFM
SP
RAD
79
0.06
3-5
95
0.08
3-6
120
0.10
4-6
135
0.12
4-6
160
0.14
4-6
175
0.18
5-7
192
0.20
5-7
240
0.25
6-8
285
0.35
6-8
8" x 8"
0.352
CFM
SP
RAD
140
0.04
4-6
170
0.06
5-8
210
0.08
5-8
250
0.12
5-8
285
0.14
5-9
320
0.18
6-10
350
0.20
6-10
422
0.25
7-11
490
0.40
8-13
10" x 10"
0.548
CFM
SP
RAD
217
0.07
5-9
280
0.10
5-9
325
0.14
6-11
385
0.24
6-11
440
0.25
7-13
495
0.32
7-13
550
0.35
8-14
658
0.55
9-16
770
0.75
12-18
12" x 12"
0.788
CFM
SP
RAD
316
0.06
6-10
395
0.10
6-10
475
0.12
6-12
560
0.20
6-12
630
0.22
7-14
710
0.28
7-15
780
0.35
10-18
940
0.55
13-21
1010
0.70
15-25
14" x 14"
1.09
CFM
SP
RAD
429
0.06
8-13
540
0.10
8-13
648
0.15
11-15
752
0.18
11-16
860
0.22
13-19
965
0.25
13-19
1080
0.35
18-23
1290
0.46
21-26
1540
0.62
24-28
16" x 16"
1.45
CFM
SP
RAD
565
0.08
10-14
710
0.10
10-14
850
0.16
13-17
990
0.20
14-18
1140
0.22
17-22
1360
0.32
18-22
1540
0.42
19-25
1685
0.65
22-29
1980
0.92
24-30
18" x 18"
1.80
CFM
SP
RAD
710
0.06
9-14
887
0.08
9-15
1065
0.12
12-18
1240
0.19
12-18
1420
0.24
17-24
1595
0.29
18-26
1775
0.36
20-28
2125
0.54
23-30
2480
0.75
26-32
20" x 20"
2.20
CFM
SP
RAD
885
0.06
11-17
1092
0.10
12-18
1310
0.14
14-20
1530
0.18
14-20
1845
0.16
15-22
2370
0.25
20-24
2635
0.33
22-30
3155
0.55
22-32
3685
0.72
24-26
22" x 22"
2.65
CFM
SP
RAD
1055
0.06
11-18
1318
0.09
12-18
1580
0.12
14-22
1845
0.16
15-22
2020
0.22
20-24
2370
0.25
20-24
2635
0.33
22-30
3155
0.55
22-32
3685
0.72
24-36
24" x 24"
3.21
CFM
SP
RAD
1255
0.06
12-18
1572
0.10
12-18
1885
0.14
16-22
2190
0.18
18-24
2520
0.22
21-29
2830
0.28
22-30
3142
0.30
24-32
3768
0.42
27-38
4392
0.56
30-40
28" x 28"
4.275
CFM
SP
RAD
1710
0.08
13-20
2140
0.10
13-22
2560
0.12
12-23
2995
0.16
14-24
3418
0.20
22-31
3850
0.25
27-36
4278
0.30
27-36
5130
0.40
30-40
5186
0.55
34-44
32" x 32"
5.62
CFM
SP
RAD
2240
0.04
14-22
2795
0.06
14-22
3352
0.08
18-25
3918
0.09
20-26
4475
0.10
23-32
5035
0.12
34-34
5598
0.14
28-39
6725
0.18
32-42
7836
0.22
35-48
36" x 36"
7.10
CFM
SP
RAD
2830
0.40
14-22
3538
0.05
15-24
4248
0.06
14-26
4950
0.08
20-26
5650
0.12
23-34
6368
0.14
30-40
7072
0.18
33-46
8485
0.20
33-46
9892
0.35
37-48
 
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