NH
Size 98
Outlet Size 39" x 51-1/8" I.D • Inlet Size
51-1/4" I.D. • Tip speed = RPM x 12.83
Wheel Diameter 49" • Outlet Area 13.85 Sq. Ft. Inside
• Max. BHP = 81.31(RPM/1000)3 |
|
S.P.
|
1.00
|
2.00
|
3.00
|
4.00
|
5.00
|
6.00
|
7.00
|
8.00
|
9.00
|
10.00
|
11.00
|
12.00
|
13.00
|
14.00
|
|
CFM
|
OV
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
RPM
|
BHP
|
|
28000
|
2022
|
515
|
9.81
|
580
|
14.64
|
638
|
19.61
|
696
|
25.00
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
29100
|
2101
|
530
|
10.64
|
593
|
15.63
|
651
|
20.81
|
706
|
26.23
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
30200
|
2181
|
545
|
11.51
|
606
|
16.66
|
663
|
21.96
|
717
|
27.62
|
768
|
33.42
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
31300
|
2260
|
560
|
12.43
|
620
|
17.75
|
676
|
23.25
|
727
|
28.93
|
778
|
34.91
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
32400
|
2339
|
576
|
13.45
|
634
|
18.87
|
688
|
24.48
|
738
|
30.35
|
788
|
36.45
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
33500
|
2419
|
592
|
14.52
|
648
|
20.04
|
701
|
25.87
|
750
|
31.82
|
799
|
38.18
|
845
|
44.59
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
34600
|
2498
|
608
|
15.65
|
663
|
21.36
|
714
|
27.31
|
763
|
33.47
|
809
|
39.81
|
855
|
46.40
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
35700
|
2578
|
625
|
16.91
|
677
|
22.63
|
727
|
28.80
|
775
|
35.04
|
820
|
41.63
|
866
|
48.42
|
908
|
55.22
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
36800
|
265
|
641
|
18.16
|
692
|
24.06
|
740
|
30.35
|
788
|
36.80
|
832
|
43.47
|
876
|
50.33
|
919
|
57.49
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
37900
|
2736
|
658
|
19.56
|
706
|
25.44
|
754
|
31.98
|
801
|
38.62
|
844
|
45.34
|
886
|
52.29
|
929
|
59.64
|
969
|
67.05
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
39000
|
2816
|
674
|
20.94
|
721
|
26.98
|
768
|
33.64
|
813
|
40.35
|
856
|
47.25
|
897
|
54.47
|
939
|
61.83
|
979
|
69.42
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
40100
|
2895
|
691
|
22.48
|
736
|
28.59
|
782
|
35.35
|
826
|
42.28
|
869
|
49.40
|
909
|
56.70
|
950
|
64.27
|
989
|
71.85
|
1027
|
79.80
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
41200
|
2975
|
707
|
23.99
|
750
|
30.14
|
796
|
37.12
|
839
|
44.27
|
882
|
51.60
|
921
|
58.93
|
960
|
66.57
|
999
|
74.33
|
1037
|
82.46
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
42300
|
3054
|
724
|
25.68
|
765
|
31.87
|
811
|
39.10
|
852
|
46.32
|
894
|
53.70
|
934
|
61.40
|
970
|
68.93
|
1010
|
77.09
|
1047
|
85.18
|
1083
|
93.58
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
43400
|
3134
|
741
|
27.45
|
780
|
33.67
|
825
|
41.00
|
866
|
48.52
|
907
|
56.03
|
946
|
63.75
|
983
|
71.70
|
1020
|
79.69
|
1057
|
87.96
|
1093
|
96.54
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
|
44500
|
3213
|
757
|
29.18
|
795
|
35.53
|
840
|
43.11
|
880
|
50.70
|
920
|
58.43
|
959
|
66.36
|
995
|
74.30
|
1031
|
82.58
|
1068
|
91.05
|
1103
|
99.57
|
1137
|
108.34
|
*
|
*
|
*
|
*
|
*
|
*
|
|
45600
|
3292
|
774
|
31.11
|
811
|
37.57
|
854
|
45.14
|
894
|
52.95
|
933
|
60.90
|
971
|
68.83
|
1007
|
76.96
|
1042
|
85.45
|
1078
|
93.95
|
1113
|
102.65
|
1147
|
111.60
|
*
|
*
|
*
|
*
|
*
|
*
|
|
46700
|
3372
|
791
|
33.12
|
828
|
39.82
|
869
|
47.39
|
908
|
55.26
|
946
|
63.43
|
984
|
71.58
|
1020
|
79.92
|
1054
|
88.37
|
1088
|
96.91
|
1123
|
105.79
|
1157
|
114.93
|
1189
|
123.97
|
*
|
*
|
*
|
*
|
|
47800
|
3451
|
808
|
35.22
|
844
|
42.01
|
883
|
49.55
|
923
|
57.83
|
959
|
66.04
|
997
|
74.40
|
1032
|
82.71
|
1066
|
91.35
|
1099
|
100.20
|
1134
|
109.28
|
1167
|
118.31
|
1199
|
127.54
|
1230
|
136.93
|
*
|
*
|
|
48900
|
3531
|
825
|
37.40
|
860
|
44.28
|
898
|
51.96
|
937
|
60.29
|
973
|
68.73
|
1010
|
77.30
|
1045
|
85.82
|
1079
|
94.67
|
1111
|
103.54
|
1144
|
112.55
|
1178
|
122.08
|
1210
|
131.50
|
1241
|
141.08
|
*
|
*
|
|
50000
|
3610
|
842
|
39.68
|
876
|
46.63
|
913
|
54.44
|
951
|
62.82
|
987
|
71.48
|
1023
|
80.27
|
1058
|
89.00
|
1091
|
97.79
|
1123
|
106.85
|
1155
|
116.18
|
1188
|
125.60
|
1220
|
135.21
|
1251
|
144.97
|
1281
|
154.85
|
|
51100
|
3690
|
858
|
41.90
|
893
|
49.24
|
928
|
56.99
|
966
|
65.62
|
1001
|
74.30
|
1036
|
83.32
|
1071
|
92.26
|
1104
|
101.26
|
1135
|
110.24
|
1166
|
119.72
|
1198
|
129.19
|
1230
|
138.98
|
1261
|
148.92
|
1291
|
158.98
|
|
52200
|
3769
|
875
|
44.35
|
909
|
51.77
|
943
|
59.63
|
980
|
68.29
|
1015
|
77.20
|
1049
|
86.44
|
1083
|
95.34
|
1116
|
104.53
|
1148
|
113.99
|
1178
|
123.37
|
1209
|
133.17
|
1240
|
142.82
|
1271
|
152.94
|
1301
|
163.19
|
|
53300
|
3848
|
892
|
46.90
|
926
|
54.56
|
958
|
62.36
|
995
|
71.26
|
1030
|
80.40
|
1063
|
89.70
|
1096
|
98.75
|
1129
|
108.16
|
1160
|
117.53
|
1190
|
127.10
|
1219
|
136.83
|
1251
|
147.07
|
1281
|
157.04
|
1311
|
167.47
|
|
54400
|
3928
|
909
|
49.55
|
942
|
57.27
|
973
|
65.16
|
1010
|
74.31
|
1044
|
83.46
|
1077
|
92.97
|
1109
|
102.24
|
1142
|
111.87
|
1173
|
121.45
|
1203
|
131.22
|
1232
|
141.16
|
1261
|
151.06
|
1292
|
161.58
|
1321
|
171.82
|
All capacities
based on Standard Air (Density .075 #/cu. ft. — 70°F
—29.92" Hg. Bar). Performance shown is for NH exhaust
fans for installation type B-free inlet, ducted outlet.
Power rating (BHP) does not include drive losses. Performance
ratings do not include the effects of appurtenances in the airstream.
Note: Uncolored area indicates Class II wheel; Purple area indicates
Class III wheel; Green area indicates Class IV wheel. Asterisk
(*) = Unstable Operating Range |
|
|
