35
LEGEND
Table 25 — 40RU High-Capacity Fan Performance Data — 0.0-2.4 in. wg External Static Pressure — English
UNIT
a
AIRFLOW
(cfm)
b
EXTERNAL STATIC PRESSURE (in. wg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
40RUA*25
40RUQ*25
c
40RUS*25
6,000
542
1.29
577
1042
646
1.72
716
2.09
785
2.51
849
2.95
907
3.40
7,000
620
1.99
652
2.15
711
2.48
771
2.85
831
3.28
890
3.76
947
4.27
8,000
700
2.92
728
3.10
781
3.46
833
3.85
885
4.29
938
4.78
990
5.32
9,000
781
4.10
806
4.30
854
4.71
900
5.13
946
5.58
993
6.08
1039 6.62
40RUA*28
40RUS*28
10,000
862
5.56
885
5.79
929
6.24
971
6.70
1012
7.18
1054
7.69
1096 8.24
7,500
476
1.39
510
1.58
579
1.99
644
2.40
701
2.81
752
3.29
804
3.96
8,750
545
2.14
574
2.35
633
2.81
691
3.29
747
3.77
797
4.25
842
4.76
10,000
615
3.12
641
3.36
692
3.87
743
4.41
794
4.96
843
5.51
888
6.05
11,250
685
4.37
709
4.64
754
5.20
800
5.79
845
6.40
891
7.02
935
7.64
12,500
756
5.92
778
6.22
819
6.83
860
7.47
901
8.14
942
8.83
983
9.52
40RUA*30
40RUS*30
9,000
539
2.18
569
2.39
626
2.85
683
3.34
739
3.83
791
4.32
837
4.82
10,500
620
3.37
646
3.62
695
4.13
744
4.68
793
5.25
842
5.83
888
6.41
12,000
701
4.94
724
5.22
769
5.80
811
6.40
854
7.04
897
7.69
940
8.36
13,500
783
6.95
804
7.27
844
7.91
883
8.57
920
9.26
958
9.97
996 10.71
15,000
865
9.45
884
9.81
921
10.52
956
11.24
991
11.98 1025 12.75 1059 13.54
UNIT
a
AIRFLOW
(cfm)
b
EXTERNAL STATIC PRESSURE (in. wg)
1.4
1.6
1.8
2.0
2.2
2.4
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
rpm
bhp
40RUA*25
40RUQ*25
c
40RUS*25
6,000
961
3.86
1011
4.31
1058
4.77
1104
5.24
1147
5.71
—
—
7,000
1000
4.79
1050
5.32
1097
5.85
1142
6.38
1184
6.91
—
—
8,000
1041
5.88
1090
6.47
1137
7.07
1181
7.67
—
—
—
—
9,000
1086
7.21
1133
7.82
1178
8.47
—
—
—
—
—
—
40RUA*28
40RUS*28
10,000
1138
8.83
1180
9.46
—
—
—
—
—
—
—
—
7,500
874
5.33
897
5.91
940
6.80
990
7.50
—
—
—
—
8,750
886
5.36
930
6.13
982
7.32
1020
8.10
—
—
—
—
10,000
930
6.60
969
7.20
1007
7.89
1045
8.71
—
—
—
—
11,250
976
8.25
1014
8.86
1051
9.49
1086
10.17
—
—
—
—
12,500
1023
10.20
1061
10.88
1097
11.56
—
—
—
—
—
—
40RUA*30
40RUS*30
9,000
881
5.37
923
6.03
967
6.89
1020
8.25
—
—
—
—
10,500
930
6.97
970
7.55
1008
8.17
1045
8.86
—
—
—
—
12,000
981
9.02
1021
9.67
1058
10.32
1094
10.97
—
—
—
—
13,500
1035
11.45
1072
12.20
—
—
—
—
—
—
—
—
15,000
1093
14.35
—
—
—
—
—
—
—
—
—
—
NOTE(S):
a. Refer to fan motor and drive tables for additional data.
b. Fan performance is based on deductions for wet coil, clean 2-in. filters, and unit casing. See table below for factory-supplied filter pressure drop.
c. Maximum allowable fan speed for size 25 units is 1200 rpm. Maximum allowable fan speed for size 28 and 30 units is 1100 rpm.
bhp
—
Brake Horsepower Input to Fan
FACTORY-SUPPLIED PRESSURE DROP — ENGLISH
UNIT
AIRFLOW (cfm)
PRESSURE DROP
(in. wg)
40RUA*25
40RUQ*25
40RUS*25
6,000
0.12
8,000
0.19
10,000
0.26
40RUA*28
40RUS*28
7,500
0.15
10,000
0.22
12,500
0.30
40RUA*30
40RUS*30
9,000
0.19
12,000
0.29
15,000
0.40
Summary of Contents for 40RU 25
Page 3: ...3 Fig 1 Dimensions Size 25...
Page 4: ...4 Fig 1 Dimensions Size 25 cont...
Page 5: ...5 Fig 2 Dimensions Sizes 28 and 30...
Page 6: ...6 Fig 2 Dimensions Sizes 28 and 30 cont...
Page 37: ......