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33
LEGEND
Table 23 — 40RU Standard 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
532
1.25
569
1.39
639
1.69
711
2.06
781
2.48
846
2.93
905
3.60
7,000
608
1.93
641
2.09
702
2.42
763
2.08
824
3.23
885
3.71
943
4.23
8,000
686
2.83
716
3.01
770
3.38
823
3.77
876
4.21
930
4.70
983
5.24
9,000
764
3.97
791
4.18
841
4.59
888
5.02
935
5.47
982
5.96
1030
6.51
10,000
843
5.38
868
5.62
914
6.09
957
6.55
1000
7.02
1042
7.53
1084
8.08
40RUA*28
40RUS*28
7,500
456
1.29
490
1.47
556
1.85
621
2.25
678
2.64
729
3.06
778
3.60
8,750
521
1.98
551
2.18
608
2.61
664
3.07
720
3.53
770
3.99
816
4.45
10,000
587
2.88
614
3.11
664
3.59
714
4.09
763
4.62
812
5.15
857
5.68
11,250
653
4.03
678
4.29
724
4.82
768
5.37
812
5.95
856
6.54
899
7.14
12,500
720
5.46
743
5.75
785
6.33
825
6.93
865
7.55
904
8.20
944
8.86
15,000
829
8.84
850
9.19
888
9.88
924
10.57
958
11.27
991
11.99
1024
12.73
40RUA*30
40RUS*30
9,000
521
1.99
550
2.25
616
2.77
676
3.23
731
3.72
782
4.20
829
4.70
10,500
596
3.16
623
3.40
672
3.89
720
4.40
767
4.94
814
5.50
859
6.05
12,000
673
4.63
698
4.90
743
5.45
785
6.02
826
6.62
867
7.23
908
7.87
13,500
751
6.51
773
6.82
815
7.44
853
8.06
890
8.71
927
9.38
963
10.07
15,000
829
8.84
850
9.19
888
9.88
924
10.57
958
11.27
991
11.99
1024
12.73
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
954
3.83
1005
4.27
1052
4.72
1098
5.22
1142
5.67
—
—
7,000
990
4.74
1040
5.24
1090
5.80
1135
6.30
1176
6.84
—
—
8,000
1028
5.79
1078
6.38
1130
7.00
1173
7.60
—
—
—
—
9,000
1073
7.11
1120
7.72
1169
8.37
—
—
—
—
—
—
10,000
1126
8.75
1166
9.37
—
—
—
—
—
—
—
—
40RUA*28
40RUS*28
7,500
831
4.41
870
5.10
913
5.90
950
6.88
985
7.70
—
—
8,750
859
4.97
901
5.59
944
6.42
980
7.20
1020
8.10
—
—
10,000
900
6.20
939
6.74
976
7.33
1013
8.00
1050
8.82
—
—
11,250
941
7.73
980
8.32
1017
8.90
1052
9.51
1088
10.16
—
—
12,500
984
9.53
1022
10.19
1058
10.84
1093
11.49
—
—
—
—
15,000
1057
13.49
1090
14.28
—
—
—
—
—
—
—
—
40RUA*30
40RUS*30
9,000
866
5.20
899
5.85
950
6.65
989
7.38
1029
8.32
1077
9.74
10,500
902
6.60
942
7.14
980
7.70
1016
8.31
1051
8.99
1085
9.77
12,000
949
8.50
988
9.14
1026
9.76
1062
10.38
1095
11.01
—
—
13,500
1000
10.78
1036
11.49
1073
12.21
—
—
—
—
—
—
15,000
1057
13.49
1090
14.28
—
—
—
—
—
—
—
—
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: ......