Performance data – Greenheck Fan Centrifugal Roof Exhaust Fans NYB User Manual
Page 6
6
Performance Data
Model NYB-100 & NYB-140
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0
0.125
0.25
0.3
0.375
0.5
0.625
0.75
0.875
1
NYB-100-4
1/4
900
CFM
802
696
563
476
BHP
0.04
0.05
0.05
0.05
1000
CFM
891
797
686
635
517
BHP
0.06
0.06
0.06
0.06
0.06
1100
CFM
980
895
800
757
686
BHP
0.08
0.08
0.09
0.09
0.09
1200
CFM
1069
991
909
870
811
690
BHP
0.10
0.10
0.11
0.11
0.11
0.11
1300
CFM
1158
1087
1012
980
926
832
689
BHP
0.12
0.13
0.14
0.14
0.14
0.14
0.14
1400
CFM
1247
1181
1113
1084
1038
954
859
BHP
0.16
0.16
0.17
0.17
0.17
0.18
0.18
1500
CFM
1337
1274
1212
1186
1145
1068
989
894
BHP
0.19
0.20
0.21
0.21
0.21
0.22
0.22
0.22
1575
CFM
1403
1344
1285
1260
1222
1152
1077
996
892
BHP
0.22
0.23
0.24
0.24
0.24
0.25
0.25
0.25
0.25
1730
CFM
1541
1488
1434
1412
1379
1320
1254
1186
1114
1029
BHP
0.29
0.30
0.31
0.31
0.32
0.33
0.33
0.33
0.33
0.33
NYB-140-4
1/4
830
CFM
1706
1563
1399
1323
1188
BHP
0.12
0.13
0.13
0.13
0.13
910
CFM
1870
1742
1598
1534
1430
1189
BHP
0.15
0.16
0.17
0.17
0.17
0.17
990
CFM
2034
1920
1788
1734
1646
1473
1193
BHP
0.20
0.21
0.22
0.22
0.22
0.22
0.21
1030
CFM
2117
2007
1881
1829
1748
1593
1381
BHP
0.22
0.23
0.24
0.25
0.25
0.25
0.25
NYB-140-3
1/3
1060
CFM
2178
2073
1951
1901
1823
1676
1495
BHP
0.24
0.25
0.26
0.27
0.27
0.27
0.27
1130
CFM
2322
2224
2112
2065
1994
1866
1721
1520
BHP
0.29
0.31
0.32
0.32
0.33
0.33
0.33
0.32
NYB-140-5
1/2
1190
CFM
2445
2352
2247
2204
2136
2020
1887
1732
1515
BHP
0.34
0.36
0.37
0.37
0.38
0.38
0.39
0.39
0.37
1250
CFM
2569
2480
2382
2341
2277
2170
2051
1919
1756
1465
BHP
0.40
0.41
0.42
0.43
0.44
0.44
0.45
0.45
0.44
0.41
1300
CFM
2672
2586
2493
2454
2394
2291
2180
2058
1918
1735
BHP
0.45
0.46
0.48
0.48
0.49
0.50
0.50
0.51
0.50
0.49
Performance certified is for installation type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings include the effects of a
birdscreen.
0
500
1000
1500
2000
0
50
100
150
200
DO
NO
T S
EL
EC
T
TO
T
HE
L
EF
T
O
F
TH
IS
S
YS
TE
M
C
U
R
VE
0
200
400
600
800
1000
1200
1400
0.0
0.2
0.4
0.6
0.8
1.0
Static Pr
essur
e in. wg
cfm
NYB-100
m
3
/hr
Static Pr
essur
e Pa
1/4 hp
1575
1500
1400
1300
1200
1100
1000
900
RPM
HP
Density 0.075 lb/ft³
0
1000
2000
3000
4000
0
50
100
150
200
250
DO
NO
T S
EL
EC
T
TO
T
HE
L
EF
T
O
F
TH
IS
S
YS
TE
M
C
U
R
VE
0
400
800
1200
1600
2000
2400
2800
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Static Pr
essur
e in. wg
cfm
NYB-140
m
3
/hr
Static Pr
essur
e Pa
RPM
HP
Density 0.075 lb/ft³
1/2 hp
1/3 hp
1/4 hp
1300
1250
1190
830
910
990
1030
1060
1130