Page 1
better AIRFLOW
by DESIGN
TM
Custom Fan SolutionsTM
• Suitable for roof or wall mount
• Backward inclined, non-overloading wheels
• Spun aluminum housing
• Weather resistant construction
• Blades & inlets fabricated from aluminum
• Available in single & three phase voltages
• Belt drive capacities to 17,650 cfm
• Direct drive capacities to 2,750 cfm
EXHAUST FANS
CDB & CDD
DOWNBLAST
FANS
Page 2
FFEEAATTUURREESS && BBEENNEEFFIITTSS
• Suitable for roof or wall mount (up to model CDB-24/2HP)
• Backward inclined, non-overloading wheels
• Spun aluminum housing for weather resistant durability
• Fully ventilated motor cooling compartment for long motor life
• Quick release latches for easy access to motor compartment
• Blades and inlets fabricated from aluminum
• Variable pitch motor pulley allows for field adjustment and system balancing
• High efficiency wheels and low tip speeds result in quiet operation
• Disconnect switch
• Bird screen
• Vibration isolation
• 110 F max. temperature rating
• Available in the following voltages:
o 115-208/230V 1 phase
o 208/230V 1 phase
o 208/230-460V 3 phase
o 575V 3 phase
CCDDBB BBEELLTT DDRRIIVVEE DDOOWWNNBBLLAASSTT FFAANNSS
2
AACCCCEESSSSOORRIIEESS // OOPPTTIIOONNSS
• Gravity damper • Motorized damper
• Wall mount sleeve • Roof curb
MODEL HT W B C D E R RO
WT
(LBS)
DAMPER
SQUARE
MANUFACTURE
CODE
CDB-07 25.5 26.3 2 21.0 19.5 12 12.1 16 90 15.0 BDCR7
CDB-08 25.5 26.3 2 21.0 19.5 12 12.1 16 90 15.0 BDCR8
CDB-09 25.5 26.3 2 21.0 19.5 12 12.1 16 90 15.0 BDCR9
CDB-11 25.5 26.3 2 21.0 19.5 12 12.1 16 105 15.0 BDCR11
CDB-13 27.3 29.6 2 21.0 19.5 12 13.3 16 105 15.0 BDCR13
CDB-15 30.6 33.3 2 24.8 23.0 12 14.9 20 130 19.0 BDCR15
CDB-18 32.8 38.3 2 28.0 26.5 12 16.5 24 190 23.0 BDCR18
CDB-20 32.8 38.3 2 28.0 26.5 12 18.0 24 195 23.0 BDCR20
CDB-24 37.8 42.5 2 33.0 31.5 12 23.9 28 215 27.0 BDCR24
CDB-30 40.0 52.0 2 40.0 38.0 12 24.0 36 380 35.0 BDCR30
CDB-36 43.0 66.0 2 44.5 43.0 12 30.8 36 420 35.5 BDCR36
*DO NOT USE FOR CONSTRUCTION
CONSULT FACTORY FOR CERTIFIED PRINTS
DIMENSIONS IN INCHES*
W
D
HT
E
B
R
RO
C
D
CURB (OPTIONAL)
20 GAUGE
STEEL
CONTRUCTION
3" FLANGE
Page 3
3
CCDDBB BBEELLTT DDRRIIVVEE DDOOWWNNBBLLAASSTT FFAANNSS
MODEL RPM
MTR
HP
0” S.P.
CFM
SONE / BHP
0.25” S.P.
CFM
SONE / BHP
0.50” S.P.
CFM
SONE / BHP
0.75” S.P.
CFM
SONE / BHP
1” S.P.
CFM
SONE / BHP
1.25” S.P.
CFM
SONE / BHP
1.50” S.P.
CFM
SONE / BHP
CDB-07-14 700 0.25
355
2.0 / 0.02
CDB-07-14 900 0.25
455
4.3 / 0.04
300
2.9 / 0.05
CDB-07-14 1100 0.25
560
6.4 / 0.08
434
5.5 / 0.08
265
5.3 / 0.08
CDB-07-14 1300 0.25
660
6.8 / 0.13
556
6.8 / 0.13
440
6.5 / 0.13
256
6.2 / 0.12
CDB-07-14 1500 0.25
760
11.1 / 0.19
673
11.0 / 0.20
577
10.8 / 0.20
468
10.2 / 0.20
295
9.0 / 0.18
PERFORMANCE
CDB-08-14 700 0.25
512
2.4 / 0.2
CDB-08-14 900 0.25
655
5.0 / 0.05
483
4.5 / 0.06
CDB-08-14 1100 0.25
800
7.3 / 0.09
670
7.1 / 0.10
500
6.4 / 0.10
CDB-08-14 1300 0.25
945
9.8 / 0.14
841
9.5 / 0.15
712
8.8 / 0.17
544
8.5 / 0.16
CDB-08-14 1500 0.25
1095
13.1 / 0.22
1002
12.9 / 0.23
900
12.9 / 0.25
775
12.4 / 0.25
628
11.3 / 0.25
CDB-09-14 800 0.25
715
3.8 / 0.04
428
3.6 / 0.04
CDB-09-14 1000 0.25
895
6.8 / 0.07
701
6.7 / 0.08
CDB-09-14 1200 0.25
1075
9.3 / 0.12
928
9.1 / 0.13
717
9.1 / 0.14
CDB-09-14 1400 0.25
1255
11.6 / 0.19
1136
11.5 / 0.21
984
11.3 / 0.22
771
9.9 / 0.22
CDB-09-13 1600 0.33
1435
16.1 / 0.28
1332
15.7 / 0.30
1211
15.3 / 0.32
1057
14.7 / 0.33
870
13.8 / 0.32
585
13.0 / 0.30
CDB-11-14 800 0.25
735
2.7 / 0.03
CDB-11-14 1000 0.25
920
4.2 / 0.06
710
3.6 / 0.09
CDB-11-14 1200 0.25
1105
6.7 / 0.10
965
6.0 / 0.15
728
5.4 / 0.16
CDB-11-13 1400 0.33
1286
8.7 / 0.16
1212
8.8 / 0.20
986
8.2 / 0.25
788
6.6 / 0.26
CDB-13-14 800 0.25
1298
5.7 / 0.08
1000
6.0 / 0.16
CDB-13-14 900 0.25
1458
7.2 / 0.11
1207
6.4 / 0.13
CDB-13-14 1000 0.25
1622
9.2 / 0.15
1394
8.5 / 0.18
1113
7.5 / 0.19
CDB-13-14 1100 0.25
1781
11.4 / 0.20
1575
10.9 / 0.23
1356
10.0 / 0.25
CDB-13-13 1200 0.33
1943
14.0 / 0.26
1762
13.8 / 0.30
1561
12.7 / 0.32
1288
12.0 / 0.32
CDB-13-12 1300 0.50
2107
13.9 / 0.33
1932
13.9 / 0.36
1756
13.6 / 0.39
1553
11.6 0.40
CDB-13-12 1400 0.50
2272
15.9 / 0.41
2108
15.0 / 0.44
1948
14.7 / 0.48
1769
13.9 / 0.50
1541
12.3 / 0.50
Page 4
4
CCDDBB BBEELLTT DDRRIIVVEE DDOOWWNNBBLLAASSTT FFAANNSS
MODEL RPM
MTR
HP
0” S.P.
CFM
SONE / BHP
0.25” S.P.
CFM
SONE / BHP
0.50” S.P.
CFM
SONE / BHP
0.75” S.P.
CFM
SONE / BHP
1” S.P.
CFM
SONE / BHP
1.25” S.P.
CFM
SONE / BHP
1.50” S.P.
CFM
SONE / BHP
CDB-15-14 700 0.25
1807
5.0 / 0.10
1376
4.0 / 0.12
CDB-15-14 800 0.25
2068
7.0 / 0.15
1708
6.1 / 0.18
1066
4.4 / 0.17
CDB-15-13 900 0.33
2330
8.9 / 0.21
2017
8.1 / 0.24
1600
6.9 / 0.26
CDB-15-13 1000 0.33
2586
10.7 / 0.29
2327
9.9 / 0.30
1995
9.1 / 0.35
1446
7.1 / 0.33
CDB-15-12 1100 0.50
2844
10.9 / 0.38
2605
10.9 / 0.42
2321
10.8 / 0.45
1957
9.6 / 0.46
1155
9.3 / 0.39
CDB-15-34 1200 0.75
3106
13.9 / 0.49
2886
13.8 / 0.53
2643
13.5 / 0.57
2343
12.8 / 0.59
1915
11.6 / 0.57
PERFORMANCE
CDB-20-14 500 0.25
2862
5.0 / 0.15
2094
3.7 / 0.17
CDB-20-13 600 0.33
3444
7.5 / 0.25
2890
6.4 / 0.30
CDB-20-12 700 0.50
4010
10.5 / 0.39
3592
9.6 / 0.45
2939
8.1 / 0.47
CDB-20-34 800 0.75
4580
12.7 / 0.58
4229
11.9 / 0.65
3746
10.7 / 0.69
3049
8.9 / 0.68
CDB-20-01 900 1.00
5156
15.5 / 0.81
4849
15.5 / 0.90
4476
14.7 / 0.95
3954
13.5 / 0.96
3224
11.3 / 0.92
CDB-18-14 600 0.25
2344
5.9 / 0.17
1905
5.0 / 0.20
CDB-18-13 700 0.33
2739
8.8 / 0.26
2361
7.8 / 0.30
1830
6.6 / 0.30
CDB-18-12 800 0.50
3138
11.6 / 0.39
2800
10.6 / 0.43
2445
9.5 / 0.46
1681
8.9 / 0.42
CDB-18-34 900 0.75
3529
13.7 / 0.55
3235
12.9 / 0.60
2928
11.9 / 0.63
2559
10.9 / 0.64
CDB-18-01 1000 1.00
3920
14.8 / 0.74
3661
14.8 / 0.79
3384
14.0 / 0.83
3086
12.8 / 0.86
2682
11.9 / 0.85
CDB-24-14 400 0.25
3781
5.8 / 0.17
2437
4.6 / 0.20
CDB-24-34 600 0.75
5687
12.0 / 0.56
5075
11.3 / 0.65
4002
9.4 / 0.65
CDB-24-02 800 2.00
7592
19.2 / 1.29
7141
19.2 / 1.40
6549
18.3 / 1.48
5847
17.5 / 1.52
4964
15.9 / 1.51
2975
16.1 / 1.26
CDB-30-34 400 0.75
6553
7.1 / 0.51
5571
6.2 / 0.59
3674
5.0 / 0.53
CDB-30-32 500 1.50
8186
11.3 / 0.95
7425
10.4 / 1.08
6454
9.1 / 1.11
4953
8.1 / 1.06
CDB-30-02 600 2.00
9840
14.1 / 1.64
9212
14.2 / 1.81
8550
12.6 / 1.90
7701
11.2 / 1.93
6443
10.9 / 1.87
CDB-30-03 700 3.00
11500
17.7 / 2.59
10944
17.6 / 2.79
10393
17.0 / 2.91
9841
15.8 / 3.00
9025
14.9 / 3.00
8054
13.9 / 3.00
6763
13.8 / 2.82
CDB-36-34 300 0.75
8790
5.9 / 0.50
6827
5.0 / 0.61
CDB-36-32 400 1.50
11759
10.6 / 1.14
10441
9.6 / 1.34
8594
8.4 / 1.38
CDB-36-03 500 3.00
14700
15.5 / 2.20
13686
14.7 / 2.47
12514
13.7 / 2.63
10971
12.4 / 2.66
7759
12.4 / 2.31
CDB-36-05 600 5.00
17654
21.0 / 3.77
16771
21.0 / 4.08
15903
19.8 / 4.35
14859
18.8 / 4.50
13638
18.0 / 4.56
12000
17.9 / 4.47
Page 5
5
CCDDDD DDIIRREECCTT DDRRIIVVEE DDOOWWNNBBLLAASSTT FFAANNSS
FFEEAATTUURREESS && BBEENNEEFFIITTSS
• Suitable for roof or wall mount
• Backward inclined, non overloading wheels
• Spun aluminum housing for weather resistant durability
• Wire conduit provides protected channel for electrical connections
• Blades and inlets fabricated from aluminum
• Bird screen
• Variable speed control
• 110 F max. temperature rating
• Available in 115V 1 phase
AACCCCEESSSSOORRIIEESS // OOPPTTIIOONNSS
• Gravity damper
• Motorized damper
• Wall mount sleeve
• Roof curb
MODEL HT W B C D E R RO
WT
(LBS)
DAMPER
SQUARE
MANUFACTURE
CODE
CDD-10 14.5 20.8 2 19.0 17.5 12 8.1 8.1 13 12 DR10H
CDD-12 16.3 23.8 2 19.0 17.5 12 10.6 10.6 13 12 DR12H
CDD-25 19.1 26.3 2 21.0 19.5 12 12.1 12.1 16 15 DR25H
CDD-30 19.1 26.3 2 21.0 19.5 12 12.1 12.1 16 15 DR30H
CDD-33 19.1 26.3 2 21.0 19.5 12 12.1 12.1 16 15 DR33H
CDD-50 21.8 29.8 2 21.0 19.5 12 13.3 13.3 16 15 DR50H
CDD-75 23.4 33.3 2 24.8 23.0 12 14.9 14.9 20 19 DR75H
CDD-85 23.4 33.3 2 24.8 23.0 12 14.9 14.9 20 19 DR85H
*DO NOT USE FOR CONSTRUCTION
CONSULT FACTORY FOR CERTIFIED PRINTS
DIMENSIONS IN INCHES*
W
D
HT
E
B
R
RO
C
D
CURB (OPTIONAL)
20 GAUGE
STEEL
CONSTRUCTION
3" FLANGE
Page 6
6
MODEL RPM
MTR
HP
0” S.P.
CFM
SONE/BHP
0.125” S.P.
CFM
SONE/BHP
0.25” S.P.
CFM
SONE/BHP
0.375” S.P.
CFM
SONE/BHP
0.50” S.P.
CFM
SONE/BHP
0.625” S.P.
CFM
SONE/BHP
0.75” S.P.
CFM
SONE/BHP
0.875” S.P.
CFM
SONE/BHP
1” S.P.
CFM
SONE/BHP
CDD-10 1000 0.07
338
3.1 / 0.02
259
3.1 / 0.02
166
3.1 / 0.02
CDD-10 1100 0.07
371
3.7 / 0.02
300
3.7 / 0.02
226
3.7 / 0.02
111
3.7 / 0.02
CDD-10 1200 0.07
405
4.4 / 0.03
339
4.4 / 0.03
275
4.4 / 0.03
188
4.4 / 0.03
CDD-10 1300 0.07
439
5.2 / 0.04
378
5.2 / 0.04
319
5.2 / 0.04
250
5.2 / 0.04
155
5.2 / 0.04
CDD-10 1400 0.07
473
6 / 0.05
416
6 / 0.05
361
6 / 0.05
303
6 / 0.05
227
6 / 0.05
122
6 / 0.05
CDD-10 1500 0.07
507
7.2 / 0.06
453
7.2 / 0.06
402
7.2 / 0.06
351
7.2 / 0.06
288
7.2 / 0.06
211
7.2 / 0.06897.2 / 0.06
CDD-10 1600 0.07
541
8 / 0.07
490
8 / 0.07
442
8 / 0.07
394
8 / 0.07
342
8 / 0.07
275
8 / 0.07
197
8 / 0.07
PERFORMANCE
CDD-12 925 0.18
505
4.1 / 0.03
384
4.1 / 0.03
250
4.1 / 0.03
110
4.1 / 0.03
CDD-12 1025 0.18
559
5.0 / 0.04
451
5.0 / 0.04
335
5.0 / 0.04
205
5.0 / 0.04
CDD-12 1125 0.18
614
6.1 / 0.06
516
6.1 / 0.06
413
6.1 / 0.06
299
6.1 / 0.06
181
6.1 / 0.06
CDD-12 1225 0.18
668
7.3 / 0.08
578
7.3 / 0.08
486
7.3 / 0.08
385
7.3 / 0.08
276
7.3 / 0.08
171
7.3 / 0.08
CDD-12 1325 0.18
723
8.6 / 0.10
640
8.6 / 0.10
555
8.6 / 0.10
465
8.6 / 0.10
369
8.6 / 0.10
267
8.6 / 0.10
172
8.6 / 0.10
CDD-12 1425 0.18
778
10.0 / 0.12
701
10.0 / 0.12
622
10.0 / 0.12
541
10.0 / 0.12
453
10.0 / 0.12
360
10.0 / 0.12
267
10.0 / 0.12
180
10.0 / 0.12
CDD-25 775 0.25
620
2.8 / 0.07
522
2.8 / 0.07
375
2.8 / 0.07
CDD-25 875 0.25
701
3.8 / 0.10
617
3.8 / 0.10
506
3.8 / 0.10
CDD-25 975 0.25
781
4.9 / 0.14
706
4.9 / 0.14
618
4.9 / 0.14
495
4.9 / 0.14
CDD-25 1075 0.25
861
5.8 / 0.19
793
5.8 / 0.19
719
5.8 / 0.19
624
5.8 / 0.19
491
5.8 / 0.19
CDD-30 1100 0.25
911
6.3 / 0.07
838
6.3 / 0.07
756
6.3 / 0.07
656
6.3 / 0.07
532
6.3 / 0.07
CDD-30 1200 0.25
994
7.4 / 0.09
927
7.4 / 0.09
854
7.4 / 0.09
771
7.4 / 0.09
672
7.4 / 0.09
543
7.4 / 0.09
CDD-30 1300 0.25
1077
8.6 / 0.11
1015
8.6 / 0.11
950
8.6 / 0.11
880
8.6 / 0.11
793
8.6 / 0.11
698
8.6 / 0.11
568
8.6 / 0.11
CDD-30 1400 0.25
1160
10 / 0.14
1103
10 / 0.14
1044
10 / 0.14
979
10 / 0.14
907
10 / 0.14
824
10 / 0.14
733
10 / 0.14
606
10 / 0.14
CDD-30 1500 0.25
1243
11.5 / 0.17
1190
11.5 / 0.17
1135
11.5 / 0.17
1076
11.5 / 0.17
1015
11.5 / 0.17
940
11.5 / 0.17
863
11.5 / 0.17
775
11.5 / 0.17
654
11.5 / 0.17
CDD-30 1600 0.25
1326
13.1 / 0.21
1276
13.1 / 0.21
1225
13.1 / 0.21
1171
13.1 / 0.21
1114
13.1 / 0.21
1053
13.1 / 0.21
980
13.1 / 0.21
906
13.1 / 0.21
824
13.1 / 0.21
CCDDDD DDIIRREECCTT DDRRIIVVEE DDOOWWNNBBLLAASSTT FFAANNSS
Page 7
7
MODEL RPM
MTR
HP
0” S.P.
CFM
SONE/BHP
0.125” S.P.
CFM
SONE/BHP
0.25” S.P.
CFM
SONE/BHP
0.375” S.P.
CFM
SONE/BHP
0.50” S.P.
CFM
SONE/BHP
0.625” S.P.
CFM
SONE/BHP
0.75” S.P.
CFM
SONE/BHP
0.875” S.P.
CFM
SONE/BHP
1” S.P.
CFM
SONE/BHP
CDD-33 1100 0.33
859
6.3 / 0.09
783
6.3 / 0.09
715
6.3 / 0.09
635
6.3 / 0.09
535
6.3 / 0.09
CDD-33 1200 0.33
938
7.5 / 0.12
868
7.5 / 0.12
803
7.5 / 0.12
739
7.5 / 0.12
657
7.5 / 0.12
555
7.5 / 0.12
CDD-33 1300 0.33
1016
8.7 / 0.15
951
8.7 / 0.15
890
8.7 / 0.15
833
8.7 / 0.15
765
8.7 / 0.15
685
8.7 / 0.15
579
8.7 / 0.15
CDD-33 1400 0.33
1094
10.1 / 0.19
1034
10.1 / 0.19
975
10.1 / 0.19
923
10.1 / 0.19
868
10.1 / 0.19
799
10.1 / 0.19
721
10.1 / 0.19
617
10.1 / 0.19
CDD-33 1500 0.33
1172
11.6 / 0.23
1116
11.6 / 0.23
1060
11.6 / 0.23
1010
11.6 / 0.23
961
11.6 / 0.23
904
11.6 / 0.23
839
11.6 / 0.23
763
11.6 / 0.23
667
11.6 / 0.23
CDD-33 1600 0.33
1250
13.1 / 0.28
1198
13.1 / 0.28
1145
13.1 / 0.28
1097
13.1 / 0.28
1051
13.1 / 0.28
1004
13.1 / 0.28
945
13.1 / 0.28
884
13.1 / 0.28
812
13.1 / 0.28
PERFORMANCE
CDD-50 1050 0.5
1631
8.4 / 0.13
1510
8.4 / 0.13
1375
8.4 / 0.13
1210
8.4 / 0.13
1015
8.4 / 0.13
791
8.4 / 0.13
CDD-50 1150 0.5
1787
9.7 / 0.17
1677
9.7 / 0.17
1557
9.7 / 0.17
1426
9.7 / 0.17
1258
9.7 / 0.17
1074
9.7 / 0.17
866
9.7 / 0.17
CDD-50 1250 0.5
1942
11.3 / 0.22
1841
11.3 / 0.22
1735
11.3 / 0.22
1618
11.3 / 0.22
1480
11.3 / 0.22
1323
11.3 / 0.22
1151
11.3 / 0.22
964
11.3 / 0.22
CDD-50 1350 0.5
2097
13 / 0.27
2004
13 / 0.27
1909
13 / 0.27
1801
13 / 0.27
1693
13 / 0.27
1550
13 / 0.27
1402
13 / 0.27
1243
13 / 0.27
1079
13 / 0.27
CDD-50 1450 0.5
2253
14.8 / 0.34
2166
14.8 / 0.34
2078
14.8 / 0.34
1981
14.8 / 0.34
1880
14.8 / 0.34
1767
14.8 / 0.34
1635
14.8 / 0.34
1494
14.8 / 0.34
1346
14.8 / 0.34
CDD-85 1150 0.75
2366
11.1 / 0.25
2251
11.1 / 0.25
2134
11.1 / 0.25
2003
11.1 / 0.25
1866
11.1 / 0.25
1703
11.1 / 0.25
1526
11.1 / 0.25
1331
11.1 / 0.25
1102
11.1 / 0.21
CDD-85 1250 0.75
2572
12.8 / 0.33
2467
12.8 / 0.33
2359
12.8 / 0.33
2244
12.8 / 0.33
2122
12.8 / 0.33
1987
12.8 / 0.33
1837
12.8 / 0.33
1674
12.8 / 0.33
1499
12.8 / 0.33
CDD-85 1350 0.75
2778
14.7 / 0.41
2681
14.7 / 0.41
2581
14.7 / 0.41
2480
14.7 / 0.41
2367
14.7 / 0.41
2254
14.7 / 0.41
2122
14.7 / 0.41
1984
14.7 / 0.41
1834
14.7 / 0.41
CDD-75 775 0.75
1686
7.1 / 0.22
1532
7.1 / 0.22
1356
7.1 / 0.22
1141
7.1 / 0.22
CDD-75 875 0.75
1904
8.8 / 0.31
1768
8.8 / 0.31
1617
8.8 / 0.31
1449
8.8 / 0.31
1248
8.8 / 0.31
CDD-75 975 0.75
2121
10.6 / 0.43
2000
10.6 / 0.43
1870
10.6 / 0.43
1729
10.6 / 0.43
1569
10.6 / 0.43
1384
10.6 / 0.43
1086
10.6 / 0.43
CDD-75 1075 0.75
2339
12.7 / 0.57
2230
12.7 / 0.57
2116
12.7 / 0.57
1989
12.7 / 0.57
1859
12.7 / 0.57
1709
12.7 / 0.57
1540
12.7 / 0.57
1294
12.7 / 0.57
CDD-75 1175 0.75
2557
14.9 / 0.75
2457
14.9 / 0.75
2354
14.9 / 0.75
2243
14.9 / 0.75
2126
14.9 / 0.75
2001
14.9 / 0.75
1865
14.9 / 0.75
1712
14.9 / 0.75
1523
14.9 / 0.75
CCDDDD DDIIRREECCTT DDRRIIVVEE DDOOWWNNBBLLAASSTT FFAANNSS
Page 8
CDB/CDD-0807
CDB & CDD DOWNBLAST FANS
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