centrifugal double width blowers
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Centrifugal Double Width BlowersModel CDBPerformance Supplement
November2019
2
Certifications and Testing
Steps to use the Air and Sound Graphs
Greenheck India Pvt. Ltd.
certifies that the CDB models shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.
Tota
l Pre
ssur
e (P
a x
10)
LwA
m3/hr (x 1000)
CFM (x 1000)
%WOV
Tota
l Pre
ssur
e (in
. wg)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HP
RPM
LwA
26
52
78
104
130
156
1 2 3 4 5 6 71
2
3
4
5
6
7
3/4 HP
3/4 HP
18001800
22002200
26002600
1 HP
1 HP
30003000
5 HP
5 HP
3 HP
3 HP
2 HP
2 HP
1.5 HP
1.5 HP
31503150
30 40 50 60 70 80 90 100
80
85
90
95
100
31503150
30003000
26002600
22002200
18001800
20002000
28002800
24002400
2 4 6 8 10
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
3,500 CFMCFM @ 100% WOV (6,500 CFM)
**This WOV value does not correspond with the top X-scale
**This WOV value does not correspond with the top X-scale
53.8
91.5
1
3
2
SOUND DATA
Tota
l Pre
ssur
e (P
a x
10)
m3/hr (x 1000)
CFM (x 1000)
Tota
l Pre
ssur
e (in
. wg)
Density 0.075 lb/ft3
Density 1.2 kg/m3
- - - - TE
HP
RPM
26
52
78
104
130
156
1 2 3 4 5 6 71
2
3
4
5
6
7
3 HP
3 HP
22002200
2 HP
2 HP
1.5 HP
1.5 HP
3/4 HP
3/4 HP
5 HP
5 HP
28002800
24002400
20002000
26002600
1 HP1 HP
30003000
31503150
0
20
40
60
80
18001800
22002200 280028002400240020002000 26002600 30003000 3150315018001800
1.7 3.4 5.1 6.8 8.5 10.2
Tota
l Effi
ficen
cy (T
E)
3,500 CFM
5.1
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
4 HP
1
2
3
74
OperatingEfficiency
AIR DATA
1Choose operating point.Begin at 3,500 cfm.
2Find Bhp. Draw parallel HP line through the intersection found in Step 1.
3Find Total Efficiency (TE). Use 3,000 TE curve to find your operating TE.
1Find cfm at 100% WOV (6,500 cfm) from the fan curve (3,000 rpm) at selected operating point (3,500 cfm) at 5.1 in wg.
2Calculate your % WOV at operating point using equation:% WOV = (3500 ÷ 6500) x 100 = 53.8
3Find LwA value. Use the % WOV value calculated in Step 2. Locate the LwA (3,000) curve and draw a line to the right to find your LwA value of 91.5
Greenheck India Pvt Ltd. certifies that the CDB models shown herein are licensed to bear the AMCA FEI Seal. FEIT values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEIT values for fans with specific motors will vary slightly from those shown.
3
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 100)
CFM (x 100)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
130 195 260 325 390 455 520
25
50
75
100
120
150
175
10 15 20 25 301
2
3
4
5
6
7
8
26002600
30003000
33003300
36003600
40004000
42004200
43504350
45004500
3/4 HP3/4 HP
46504650
0
10
20
30
40
50
60
70
10
1 HP1 HP
1.5 HP1.5 HP
2 HP2 HP
3 HP3 HP
26002600 30003000 33003300 36003600 40004000 42004200
43504350
45004500
46504650
1/2 HP1/2 HP
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 100)
CFM (x 100)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
130 195 260 325 390 455 520
25
50
75
100
125
150
175
10 15 20 25 301
2
3
4
5
6
7
8
26002600
30003000
33003300
36003600
40004000
42004200
43504350
45004500
3 HP
3 HP
1 HP 1 HP
3/4 HP3/4 HP
46504650
40 60 80 100
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
LwA
% WOV
1/2 HP1/2 HP
2 HP2 HP
1.5 HP1.5 HP
26002600
30003000
33003300
36003600
4000400042004200435043504500450046504650
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
AIR DATA
SOUND DATA
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
Specification Data
Maximum Speed (rpm) 4650 Wheel Diameter (mm) 225
Minimum Size (hp) 0.23 Outlet Area (m2) 0.082
Maximum Size (hp) 3.02 Outlet Velocity Volume (m3/s) ÷ 0.082
CDB-225 - Belt DriveClass I
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 100)
CFM (x 100)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
130 195 260 325 390 455 520
25
50
75
100
125
150
175
10 15 20 25 301
2
3
4
5
6
7
8
26002600
30003000
33003300
36003600
40004000
42004200
43504350
45004500
3 HP
3 HP
1 HP 1 HP
3/4 HP3/4 HP
46504650
40 60 80 100
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
LwA
% WOV
1/2 HP1/2 HP
2 HP2 HP
1.5 HP1.5 HP
26002600
30003000
33003300
36003600
4000400042004200435043504500450046504650
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
AIR DATA
SOUND DATA
4
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
CDB-250 - Belt DriveClass I
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 10)
CFM (x 100)
172 258 344 430 516 602 688
25
50
75
100
125
150
175
12 18 24 30 36 421
2
3
4
5
6
7
8
24002400
26002600
28002800
30003000
32003200
35003500
37003700
39003900
40504050
3 HP
3 HP
1.5 HP
1.5 HP
42504250
40 60 80 100
76
78
80
82
84
86
88
90
92
94
96
98
100
102
LwA
% WOV
5 HP
5 HP
2 HP
2 HP
1 HP 1 HP
3/4 HP
3/4 HP
1/2 HP
1/2 HP
24002400
26002600
28002800
30003000
32003200
3500350037003700
390039004050405042504250
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 10)
CFM (x 100)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
172 258 344 430 516 602 688
25
50
75
100
125
150
175
12 18 24 30 36 421
2
3
4
5
6
7
8
24002400
26002600
28002800
30003000
32003200
35003500
37003700
39003900
40504050
3 HP
3 HP
1 HP 1 HP
3/4 HP3/4 HP
1/2 HP1/2 HP
42504250
0
10
20
30
40
50
60
70
10
2 HP 2 HP
5 HP
5 HP
1.5 HP
1.5 HP
24002400 26002600 28002800 30003000 32003200 35003500 37003700 39003900
40504050
42504250
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Specification Data
Maximum Speed (rpm) 4250 Wheel Diameter (mm) 250
Minimum Size (hp) 0.31 Outlet Area (m2) 0.109
Maximum Size (hp) 3.92 Outlet Velocity Volume (m3/s) ÷ 0.109
5
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
CDB-280 - Belt DriveClass I
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 100)
CFM (x 100)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
24 36 48 60 72 84
26
52
78
104
130
156
8 16 24 32 40 481
2
3
4
5
6
7
22502250
24002400
26002600
28002800
30003000
32003200
34003400
1.5 HP
1.5 HP
36003600
40 60 80 100
76
78
80
82
84
86
88
90
92
94
96
98
100
LwA
% WOV
2 HP2 HP
1 HP1 HP
1/2 HP1/2 HP
3 HP3 HP
5 HP
5 HP
3/4 HP
3/4 HP
22502250
24002400
26002600
28002800
30003000
3200320034003400
36003600
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 10)
CFM (x 100)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
130 260 390 520 650 780
26
52
78
104
130
156
10 20 30 40 501
2
3
4
5
6
7
22502250
24002400
26002600
1/2 HP
1/2 HP
28002800
30003000
32003200
34003400
1.5 HP
1.5 HP
36003600
0
10
20
30
40
50
60
70
80
70707070
3/4 HP
3/4 HP
1 HP1 HP
2 HP
2 HP
3 HP
3 HP
5 HP 5 HP
22502250 24002400 26002600 28002800 30003000 32003200 34003400
36003600
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
Specification Data
Maximum Speed (rpm) 3600 Wheel Diameter (mm) 280
Minimum Size (hp) 0.40 Outlet Area (m2) 0.130
Maximum Size (hp) 4.06 Outlet Velocity Volume (m3/s) ÷ 0.130
6
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
CDB-315 - Belt DriveClass I
Specification Data
Maximum Speed (rpm) 3150 Wheel Diameter (mm) 315
Minimum Size (hp) 0.34 Outlet Area (m2) 0.163
Maximum Size (hp) 4.79 Outlet Velocity Volume (m3/s) ÷ 0.163
Tota
l Pre
ssur
e (P
a x
10)
m3/hr (x 1000)
CFM (x 1000)
Tota
l Pre
ssur
e (in
. wg)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
26
52
78
104
130
156
1 2 3 4 5 6 71
2
3
4
5
6
7 3 HP
3 HP
22002200
2 HP
2 HP
1.5 HP
1.5 HP
3/4 HP
3/4 HP
5 HP
5 HP
28002800
24002400
20002000
26002600
1 HP1 HP
30003000
31503150
0
20
40
60
80
18001800
22002200 280028002400240020002000 26002600 30003000 3150315018001800
1.7 3.4 5.1 6.8 8.5 10.2
Tota
l Effi
ficen
cy (T
E)
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
Tota
l Pre
ssur
e (P
a x
10)
LwA
m3/hr (x 1000)
CFM (x 1000)
%WOV
Tota
l Pre
ssur
e (in
. wg)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
2 4 6 8 10
26
52
78
104
130
156
1 2 3 4 5 6 71
2
3
4
5
6
7
3/4 HP
3/4 HP
18001800
22002200
26002600
1 HP
1 HP
30003000
5 HP
5 HP
3 HP
3 HP
2 HP
2 HP
1.5 HP
1.5 HP
31503150
30 40 50 60 70 80 90 100
80
85
90
95
10031503150
30003000
26002600
22002200
18001800
20002000
28002800
24002400
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
7
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
CDB-355 - Belt DriveClass I
Specification Data
Maximum Speed (rpm) 2750 Wheel Diameter (mm) 355
Minimum Size (hp) 0.43 Outlet Area (m2) 0.204
Maximum Size (hp) 5.80 Outlet Velocity Volume (m3/s) ÷ 0.204
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
2.1 4.2 6.3 8.4 10.5 12.6
25
50
75
100
125
150
1 2 3 4 5 6 7 81
2
3
4
5
6
7
26002600
24002400
20002000
5 HP
5 HP
3/4 HP3/4 HP
3 HP
3 HP
18001800
16001600
2 HP 2 HP
1.5 HP
1.5 HP
22002200
1 HP 1 HP
7.5 HP
7.5 HP
27502750
0
10
20
30
40
50
60
70
80
2600260024002400200020001800180016001600 22002200 27502750
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
LwA
m3/hr (x 1000)
CFM (x 1000)
% WOV
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
2 4 6 8 10 12
25
50
75
100
125
150
1 2 3 4 5 6 71
2
3
4
5
6
7
26002600
24002400
20002000
180018003/4 HP
3/4 HP16001600
2 HP
2 HP
1.5 HP
1.5 HP 22002200
7.5 HP
7.5 HP
1 HP
1 HP
5 HP
5 HP
3 HP
3 HP
27502750
30 40 50 60 70 80 90 100
65
70
75
80
85
90
95
100
26002600
24002400
20002000
18001800
16001600
22002200
27502750
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
8
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
Specification Data
Maximum Speed (rpm) 2550 Wheel Diameter (mm) 400
Minimum Size (hp) 0.53 Outlet Area (m2) 0.258
Maximum Size (hp) 8.63 Outlet Velocity Volume (m3/s) ÷ 0.258
AIR DATA
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
5.4 8.1 10.8 13.5 16.2 18.9
25
50
75
100
125
150
2 4 6 8 101
2
3
4
5
6
7
23002300
19001900
17001700
15001500
21002100
25502550
0
20
40
60
80
5 HP
5 HP
3 HP3 HP
2 HP2 HP
1.5 HP
1.5 HP
1 HP1 HP
7.5 HP
7.5 HP
10 HP10 HP
23002300190019001700170015001500 21002100 2550255024002400
24002400
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
4 6 8 10 12 14 16 18
25
50
75
100
125
150
2 4 6 8 101
2
3
4
5
6
7
23002300
15001500
7.5 HP
7.5 HP
17001700
3 HP
3 HP
21002100
25502550
40 60 80 100
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
LwA
% WOV2 HP
2 HP
1.5 HP
1.5 HP
1 HP 1 HP
24002400
19001900
5 HP
5 HP
23002300
15001500
17001700
21002100
25502550
19001900
24002400
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
SOUND DATA
CDB-400 - Belt DriveClass I
9
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
CDB-450 - Belt DriveClass I
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
3.5 7.0 10.5 14.0 17.5 21.0 24.5
26
52
78
104
130
156
2 4 6 8 10 12 141
2
3
4
5
6
7
14001400
5 HP
5 HP
16001600
18001800
20002000
3 HP
3 HP
2 HP
2 HP
1.5 HP
1.5 HP
22502250
40 60 80 100
76
78
80
82
84
86
88
90
92
94
96
98
100
102
LwA
% WOV
7.5 HP
7.5 HP
10 HP
10 HP
15 HP
15 HP
21502150
14001400
16001600
18001800
20002000
22502250
21502150
1 HP1 HP3/4 HP
3/4 HP DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
SOUND DATA
AIR DATA
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
26
52
78
104
130
156
1
2
3
4
5
6
7
2 HP
16001600
18001800
20002000
2 HP
2 HP
14001400
21502150
22502250
0
10
20
30
40
50
60
70
80
90
3.5 7.0 10.5 14.0 17.5 21.0 24.5
2 4 6 8 10 12 14
3 HP
3 HP
5 HP
5 HP
7.5 HP
7.5 HP
10 HP
10 HP
16001600 18001800 2000200014001400 21502150 22502250
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Specification Data
Maximum Speed (rpm) 2250 Wheel Diameter (mm) 450
Minimum Size (hp) 0.78 Outlet Area (m2) 0.323
Maximum Size (hp) 10.68 Outlet Velocity Volume (m3/s) ÷ 0.323
10
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
8.2 12.3 16.4 20.5 24.6 28.7
25
50
75
100
125
150
4 6 8 10 12 14 161
2
3
4
5
6
7
19501950
18501850
17001700
16001600
14001400
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP
5 HP
3 HP
3 HP
2 HP
2 HP
1.5 HP
1.5 HP12001200
40 60 80 100
78
80
82
84
86
88
90
92
94
96
98
100
102
104
LwA
% WOV
19501950
18501850
17001700
16001600
14001400
12001200
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
SOUND DATA
Specification Data
Maximum Speed (rpm) 1950 Wheel Diameter (mm) 500
Minimum Size (hp) 0.83 Outlet Area (m2) 0.407
Maximum Size (hp) 11.78 Outlet Velocity Volume (m3/s) ÷ 0.407
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
8.4 12.6 16.8 21.0 25.2
25
50
75
100
125
150
4 6 8 10 12 14 161
2
3
4
5
6
7
19501950
18501850
17001700
16001600
14001400
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP
5 HP
3 HP
3 HP
2 HP 2 HP
1.5 HP
1.5 HP
12001200
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
195019501850185017001700160016001400140012001200
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
AIR DATA
CDB-500 - Belt DriveClass I
11
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
CDB-560 - Belt DriveClass I
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
5.5 11.0 16.5 22.0 27.5 33.0
46
69
92
115
138
161
4 6 8 10 12 14 16 18 20 221
2
3
4
5
6
11001100
14001400
15 HP
15 HP
16001600
10 HP
10 HP
7.5 HP
7.5 HP
5 HP
5 HP
3 HP
3 HP
17501750
30 40 50 60 70 80 90 100
80
82
84
86
88
90
92
94
96
98
100
102
104
LwA
% WOV
12001200
15001500
11001100
14001400
16001600
17501750
12001200
15001500
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
SOUND DATA
Specification Data
Maximum Speed (rpm) 1750 Wheel Diameter (mm) 560
Minimum Size (hp) 1.03 Outlet Area (m2) 0.509
Maximum Size (hp) 15.74 Outlet Velocity Volume (m3/s) ÷ 0.509
Tota
l Pre
ssur
e (P
a x
10)
m3/hr (x 1000)
CFM (x 1000)
Tota
l Pre
ssur
e (in
. wg)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
7.4 11.1 14.8 18.5 22.2 25.9 29.6 33.3 37.0
46
69
92
115
138
161
1
2
3
4
5
6
14001400
12001200
16001600
15 HP
15 HP
10 HP
10 HP
5 HP
5 HP
11001100
7.5 HP
7.5 HP
3 HP
3 HP
17501750
0
10
20
30
40
50
60
70
80
4 6 8 10 12 14 16 18 20 22
15001500
175017501600160015001500140014001200120011001100 Tota
l Effi
ficen
cy (T
E)
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
AIR DATA
12
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
CDB-630 - Belt DriveClass I
SOUND DATA
AIR DATA
Specification Data
Maximum Speed (rpm) 1550 Wheel Diameter (mm) 630
Minimum Size (hp) 0.86 Outlet Area (m2) 0.639
Maximum Size (hp) 19.71 Outlet Velocity Volume (m3/s) ÷ 0.639
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
13.2 19.8 26.4 33.0 39.6 46.2
46
69
92
115
138
161
5 10 15 20 251
2
3
4
5
6
850850
10001000
11501150
12501250
13501350
14501450
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP
5 HP
3 HP 3 HP
15501550
40 60 80 100
767880828486889092949698
100102104106
LwA
% WOV
850850
10001000
11501150
12501250
13501350
14501450
15501550
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
13.2 19.8 26.4 33.0 39.6 46.2
46
69
92
115
138
161
5 10 15 20 251
2
3
4
5
6
850850
10001000
11501150
12501250
13501350
15 HP
15 HP
14501450
10 HP
10 HP
7.5 HP
7.5 HP
5 HP
5 HP
3 HP 3 HP
15501550
0
10
20
30
40
50
60
70
8020 HP
20 HP
850850 10001000 11501150 12501250 13501350 14501450 15501550
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
13
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
CDB-710 - Belt DriveClass I
Specification Data
Maximum Speed (rpm) 1400 Wheel Diameter (mm) 710
Minimum Size (hp) 1.07 Outlet Area (m2) 0.806
Maximum Size (hp) 26.40 Outlet Velocity Volume (m3/s) ÷ 0.806
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
17.2 25.8 34.4 43.0 51.6 60.2
25
50
75
100
125
150
12 18 24 30 361
2
3
4
5
6
7
750750
850850
950950
11001100
12001200
13001300
25 HP
25 HP
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP
5 HP
3 HP 3 HP
14001400
40 60 80 100
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
LwA
% WOV
750750
850850
950950
11001100
12001200
13001300
14001400
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VVE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VVE
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
17.2 25.8 34.4 43.0 51.6 60.2
25
50
75
100
125
150
12 18 24 30 361
2
3
4
5
6
7
750750
850850
950950
11001100
12001200
13001300
25 HP
25 HP
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP 5 HP
3 HP 3 HP
14001400
0
10
20
30
40
50
60
70
80
750750 850850 950950 11001100 12001200 13001300 14001400
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
14
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
Specification Data
Maximum Speed (rpm) 1200 Wheel Diameter (mm) 800
Minimum Size (hp) 2.15 Outlet Area (m2) 1.012
Maximum Size (hp) 27.93 Outlet Velocity Volume (m3/s) ÷ 1.012
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
12 24 36 48 60 72
27
54
81
108
135
1
2
3
4
5
6
700700
800800
900900
10001000
11001100
12001200
25 HP
25 HP
20 HP
20 HP 15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP 5 HP
40 60 80 100
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
LwA
% WOV
7 14 21 28 35 42
700700
800800
900900
10001000
11001100
12001200
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
12 24 36 48 60 72
27
54
81
108
135
1
2
3
4
5
6
700700
800800
900900
10001000
11001100
12001200
25 HP
25 HP
20 HP
20 HP 15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP 5 HP
0
10
20
30
40
50
60
70
80
42352821147
700700 800800 900900 10001000 11001100 12001200
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
CDB-800 - Belt DriveClass I
15
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
CDB-900 - Belt DriveClass I
SOUND DATA
AIR DATA
Specification Data
Maximum Speed (rpm) 1100 Wheel Diameter (mm) 900
Minimum Size (hp) 3.10 Outlet Area (m2) 1.277
Maximum Size (hp) 38.77 Outlet Velocity Volume (m3/s) ÷ 1.277
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
26 39 52 65 78 91
25
50
75
100
125
150
12 18 24 30 36 42 48 541
2
3
4
5
6
7
650650
700700
800800
90090010 HP
10 HP
10001000
40 HP
40 HP
30 HP
30 HP
25 HP
25 HP 20 HP
20 HP
15 HP
15 HP
7.5 HP
7.5 HP
5 HP
5 HP
11001100
40 50 60 70 80 90 100
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
LwA
% WOV
650650
700700
800800
900900
10001000
11001100
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
26 39 52 65 78 91
25
50
75
100
125
150
12 18 24 30 36 42 48 541
2
3
4
5
6
7
650650
700700
800800
900900
20 HP
20 HP
15 HP
15 HP 10001000
40 HP
40 HP
30 HP
30 HP
25 HP
25 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP 5 HP
11001100
0
10
20
30
40
50
60
70
80
650650 700700 800800 900900 10001000 11001100
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
16
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
Specification Data
Maximum Speed (rpm) 1000 Wheel Diameter (mm) 1000
Minimum Size (hp) 4.12 Outlet Area (m2) 1.603
Maximum Size (hp) 49.33 Outlet Velocity Volume (m3/s) ÷ 1.603
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
32 48 64 80 96 112
25
50
75
100
125
150
12 18 24 30 36 42 48 54 60 661
2
3
4
5
6
7
600600
700700
800800
50 HP
50 HP
900900
40 HP
40 HP
30 HP
30 HP
25 HP
25 HP
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP7.5 HP
5 HP 5 HP
10001000
30 40 50 60 70 80 90 100
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
LwA
% WOV
600600
700700
800800
900900
10001000
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
32 48 64 80 96 112
25
50
75
100
125
150
12 18 24 30 36 42 48 54 60 661
2
3
4
5
6
7
600600
700700
800800
900900
50 HP
50 HP
40 HP
40 HP
30 HP
30 HP
25 HP
25 HP
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP
5 HP 5 HP
10001000
0
10
20
30
40
50
60
70
80
600600 700700 800800 900900 10001000
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
DO N
OT
SELE
CT
TO T
HE
LEFT
OF
THIS
SY
STE
M C
UR
VE
CDB-1000 - Belt DriveClass I
17
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
CDB-1120 - Belt DriveClass I
SOUND DATA
AIR DATA
Specification Data
Maximum Speed (rpm) 800 Wheel Diameter (mm) 1120
Minimum Size (hp) 2.77 Outlet Area (m2) 2.022
Maximum Size (hp) 39.35 Outlet Velocity Volume (m3/s) ÷ 2.022
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
42 63 84 105 126
44
66
88
110
132
20 30 40 50 60 701
2
3
4
5
450450
500500
600600
700700
40 HP
40 HP
30 HP
30 HP 25 HP
25 HP
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP7.5 HP
800800
30 40 50 60 70 80 90 100
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
LwA
% WOV
450450
500500
600600
700700
800800
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
42 63 84 105 126
44
66
88
110
132
20 30 40 50 60 701
2
3
4
5
450450
500500
600600
700700
40 HP
40 HP
30 HP
30 HP 25 HP
25 HP
20 HP
20 HP
15 HP
15 HP
10 HP
10 HP
7.5 HP
7.5 HP 5 HP 5 HP
800800
0
20
40
60
80
450450 500500 600600 700700 800800
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
18
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
SOUND DATA
AIR DATA
Specification Data
Maximum Speed (rpm) 780 Wheel Diameter (mm) 1250
Minimum Size (hp) 3.37 Outlet Area (m2) 2.323
Maximum Size (hp) 63.15 Outlet Velocity Volume (m3/s) ÷ 2.323
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
48 72 96 120 144 168
46
69
92
115
138
161
20 30 40 50 60 70 80 90 1001
2
3
4
5
6
400400
500500
600600
700700
60 HP
60 HP
50 HP
50 HP 40 HP
40 HP
30 HP
30 HP
25 HP
25 HP
20 HP
20 HP
15 HP 15 HP
10 HP
10 HP
7.5 HP7.5 HP
780780
40 60 80 100
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
LwA
% WOV
400400
500500
600600
700700
780780
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
DO
NO
T S
ELEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RV
E
Tota
l Pre
ssur
e (P
a x
10)
Tota
l Pre
ssur
e (in
. wg)
Tota
l Effi
ficen
cy (T
E)
m3/hr (x 1000)
CFM (x 1000)
Density 0.075 lb/ft3
Density 1.2 kg/m3
HPRPM
48 72 96 120 144 168
46
69
92
115
138
161
20 30 40 50 60 70 80 90 1001
2
3
4
5
6
400400
500500
600600
700700
60 HP
60 HP
50 HP
50 HP 40 HP
40 HP
30 HP
30 HP
25 HP
25 HP
20 HP
20 HP
15 HP 15 HP
10 HP 10 HP
7.5 HP 7.5 HP
780780
0
10
20
30
40
50
60
70
80
400400 500500 600600 700700 780780
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
DO
NO
T SE
LEC
T TO
TH
E LE
FT O
F TH
IS S
YS
TEM
CU
RVE
CDB-1250 - Belt DriveClass I
19
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
Fan Energy Index
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 500 1000 1500 2000 2500 3000 3500
FEI
)gw .ni( erusserP latoT
CFM
FEI CurveFEI Curve
26002600
300030003300330036003600
4000400042004200435043504500450046504650
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0 500 1000 1500 2000 2500 3000 3500 4000 4500
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
24002400260026002800280030003000320032003500350037003700390039004050405042504250
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0 1000 2000 3000 4000 5000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
2250225024002400260026002800280030003000320032003400340036003600
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 1000 2000 3000 4000 5000 6000 7000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
1800180020002000220022002400240026002600280028003000300031503150
CDB-225 CDB-250
CDB-280 CDB-315
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 1000 2000 3000 4000 5000 6000 7000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
* 3,500 CFM1
* 5.1
FEI Value3
2
* 3,000 RPM
Steps to use the FEI Graph
From (OP), draw a vertical line to FEI curve at *(selected RPM).
From the intersection at step 2, draw a horizontal line to the right y-axis. Use the right y-axis scale to determine your FEI value.
1Use selected operating point (OP). *Begin at 3,500 CFM.
2
3
* Reference Air Graph values on page 2
20
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
Fan Energy Index
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0 2000 4000 6000 8000 10000 12000 14000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
16001600
18001800
14001400
21502150
22502250
20002000
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 2000 4000 6000 8000 10000 12000 14000 16000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
14001400
16001600
12001200
1850185019501950
17001700
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0 3000 6000 9000 12000 15000 18000 21000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
12001200
14001400
11001100
16001600
17501750
15001500
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 3000 6000 9000 12000 15000 18000 21000 24000 27000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
10001000
11501150
850850
1350135014501450
12501250
15501550
CDB-450 CDB-500
CDB-560 CDB-630
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 1000 2000 3000 4000 5000 6000 7000 8000 9000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
1800180020002000
16001600
24002400
26002600
27502750
22002200
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 2000 4000 6000 8000 10000 12000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
17001700
19001900
15001500
230023002400240025502550
21002100
CDB-355 CDB-400
21
Performance certified is for installation type B: free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (HP) does not include transmission losses. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. Values shown are for Inlet LwA sound power levels for: Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction for the outlet duct. FEI T values are calculated in accordance with ANSI/AMCA Standard 208 and are based on default motor efficiencies (50 Hz IE2). FEI T values for fans with specific motors will vary slightly from those shown.
Fan Energy Index
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 4000 8000 12000 16000 20000 24000 28000 32000 36000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
850850
950950
750750
1200120013001300
11001100
14001400
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0 4000 8000 12000 16000 20000 24000 28000 32000 36000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve700700
800800
10001000
11001100
900900
12001200
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0 6000 12000 18000 24000 30000 36000 42000 48000 54000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
650650700700
900900
10001000
800800
11001100
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.4
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0 8000 16000 24000 32000 40000 48000 56000 64000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
600600
700700
900900
10001000
800800
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 8000 16000 24000 32000 40000 48000 56000 64000 72000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
450450500500
700700
800800
600600
0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.5
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000
FEI
)gw .ni( erusserP latoT
CFM
FEI Curve
400400
500500
700700
780780600600
CDB-710 CDB-800
CDB-900 CDB-1000
CDB-1120 CDB-1250
22
Dimensional Information
Mounting Arrangement SN (225-710)
A
H1
H2
H3
B
C
x
x
x C
E
F
G
Size A B C x H1 H2 H3 E F G P Q R S DhShaft
Diameter
225 288 175 115 5 185 223 261 288 452 339 53 62 62 317 14 20
250 322 189 128 5 203 246 288 322 486 373 53 75 75 351 14 20
280 358 206 143 5 225 273 321 358 556 410 53 90 90 388 14 20
315 404 226 161 5 251 305 359 404 600 466 53 108 108 439 14 20
355 452 247 182 5 279 340 402 452 672 514 53 128 128 487 14 25
400 506 274 205 5 313 381 450 506 726 578 53 151 151 546 14 25
450 568 319 230 5 351 428 505 568 798 640 53 177 177 608 14 25
500 638 343 256 5 385 470 556 638 876 720 72 183 183 683 14 30
560 714 387 286 5 437 529 621 714 980 796 72 214 214 759 14 30
630 800 420 322 5 485 592 699 800 1066 892 72 250 250 850 14 35
710 898 466 363 5 544 664 786 898 1180 990 105 258 258 948 14 40
All dimensions are in millimeters.
Mounting Arrangement SR (225-450)
AH3
H2
B
H1
Size A B H1 H2 H3 E F G L N O P x yShaft
Diameter
225 288 175 185 223 261 288 452 354 104 238 325 65 12 9 20
250 322 189 203 246 288 322 486 388 108 274 359 65 12 9 20
280 358 206 225 273 321 358 556 424 113 319 395 65 12 9 20
315 404 226 251 305 359 404 600 474 120 371 444 65 16 11 20
355 452 247 279 340 402 452 672 534 127 427 498 65 16 11 25
400 506 274 313 381 450 506 726 588 134 495 552 65 16 11 25
450 568 319 351 428 505 568 798 650 157 541 614 80 18 13 25
All dimensions are in millimeters.
P
Q
R
S
Dh
L
L
N
E
OG
FG
P
P
O
N
xy
23
Dimensional Information
Mounting Arrangement SR (500-710)
AH3
H2
B
H1
Size A B H1 H2 H3 E F G L N O P x yShaft
Diameter
500 638 343 385 470 556 638 876 740 167 203 695 80 18 13 30
560 714 387 437 529 621 714 980 816 174 237 771 80 18 13 30
630 800 420 485 592 699 800 1066 902 189 269 857 80 18 13 35
710 898 466 544 664 786 898 1180 1010 202 309 960 80 22 17 40
All dimensions are in millimeters.
Mounting Arrangement PA (800-1250)
A
B
H1
H3
H2
E
F
G
L
L
N
N
N
O
Size A B H1 H2 H3 E F G L N Q O P x yShaft
Diameter
800 1006 518 611 746 883 1006 1288 1118 257 382 326 1069 65 22 17 45
900 1130 616 685 838 991 1130 1466 1252 274 376 376 1204 120 22 17 45
1000 1266 671 759 928 1100 1266 1614 1388 292 425 425 1340 120 22 17 50
1120 1422 739 848 1038 1230 1422 1800 1544 313 484 484 1496 120 22 17 60
1250 1524 813 941 1155 1371 1524 1975 1646 335 547 547 1598 120 22 17 65
All dimensions are in millimeters.
G
P
P
N
N
N
O
x
y
G
P
P
N
Q
N
O
x
y
E
F
G
L
L
N
N
N
O
Greenheck India: 541/542, 5th Floor, Tower B, Spaze i Tech Park, Sector-49, Sohna Road, Gurgaon • www.greenheck.co.inGreenheck U.S.A.: P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • www.greenheck.com
Greenheck India Private Ltd has been independently audited and confirmed as being in conformity with ISO 9001:2015 and ISO 14001:2015.
Design and Selection Support
Enjoy Greenheck’s extraordinary service, before, during and after the sale.
Greenheck offers added value to our wide selection of top performing, energy-efficient products by providing several unique Greenheck service programs.
Greenheck’s free Computer Aided Product Selection program (CAPS), rated by many as the best in the industry, helps you conveniently and efficiently select the right products for the challenge at hand.
Greenheck continues to take an industry-wide leadership position to affect positive global sustainability. We believe that providing education on products we offer contributes to reducing energy consumption and improving healthier indoor environments.
Find out more about these Greenheck services at www.greenheck.co.in
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice.
Our Commitment
Building Value in AirGreenheck delivers value to mechanical engineers by helping them solve virtually any air quality challenges their clients face with a comprehensive selection of
top quality, innovative air-related equipment. We offer extra value to contractors by providing easy-to-install, competitively priced, reliable products that arrive on time.
And building owners and occupants value the energy efficiency, low maintenance and quiet dependable operation they experience long after the construction project ends.
Greenheck India: 201-202, 2nd Floor, Landmark Cyber Park, Sector-67, Gurgaon, Haryana-122018 • www.greenheck.co.in
Greenheck U.S.A.: P.O. Box 410 • Schofield, WI 54476-0410 • Phone +1 (715) 359-6171 • www.greenheck.com
Greenheck India Private Ltd has been independently audited and confirmed as being in conformity with ISO 9001:2015 and ISO 14001:2015.
International00.INT.2028 R3 11-2019
Copyright © 2019 Greenheck Fan Corp.
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