13
Table 11 — 50RTG15 Blower Performance
LEGEND
NOTES:
1. Fan BHP includes drive losses.
2. Region “A” is standard drive package.
3. Regions “B” and “C” require optional drive packages.
4. Region “D” represents oversized motor and special sheaves.
5. For applications requiring higher static pressures, contact your local representative.
Table 12 — 50RTG20 Blower Performance
LEGEND
NOTES:
1. Fan BHP includes drive losses.
2. Region “A” is standard drive package.
3. Regions “B” and “C” require optional drive packages.
4. Region “D” represents oversized motor and special sheaves.
5. For applications requiring higher static pressures, contact your local representative.
SCFM
AIRFLOW
EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
4500
BHP
0.68
0.78
0.88
0.98
1.08
1.17
1.28
1.39
1.43
1.54
1.65
1.76
Operation Not
Recommended
RPM
465
506
545
582
617
650
681
711
740
768
795
821
Turns Out
5.0
3.5
2.5
4.5
4.0
3.5
2.5
2.0
1.0
4.0
3.5
3.0
5000
BHP
0.87
0.98
1.09
1.20
1.31
1.42
1.52
1.65
1.76
1.87
1.94
2.07
2.16
2.31
RPM
493
531
568
603
636
669
701
732
762
791
819
846
872
897
Turns Out
4.0
3.0
2.0
4.5
3.5
3.0
2.0
1.0
4.0
3.5
3.0
2.5
1.5
1
5500
BHP
1.10
1.22
1.33
1.45
1.57
1.71
1.83
1.94
2.07
2.20
2.31
2.44
2.51
2.64
RPM
525
561
595
627
659
690
720
749
777
804
830
855
879
902
Turns Out
3.0
2.0
4.5
4.0
3.0
2.0
1.5
4.5
4.0
3.0
2.5
2.0
1.5
1
6000
BHP
1.36
1.49
1.62
1.75
1.88
2.01
2.15
2.28
2.42
2.55
2.71
2.84
2.97
3.102
RPM
556
589
621
652
682
712
740
768
795
821
846
871
895
918
Turns Out
2.0
4.5
4.0
3.0
2.5
1.5
1.0
4.0
3.5
3.0
2.5
2.0
1.0
0.5
6500
BHP
1.69
1.83
1.97
2.10
2.24
2.39
2.53
2.67
2.83
2.97
3.12
3.26
3.41
3.564
RPM
593
624
654
683
711
739
766
793
819
844
868
890
913
936
Turns Out
4.5
4.0
3.0
2.5
1.5
1.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
7000
BHP
2.05
2.19
2.34
2.49
2.64
2.79
2.95
3.10
3.26
3.41
3.56
3.73
3.88
RPM
625
654
683
710
737
764
790
815
840
864
888
911
934
Turns Out
4.0
3.0
2.5
2.0
1.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
7500
BHP
2.46
2.62
2.77
2.94
3.09
3.26
3.41
3.58
3.74
3.91 4.08
4.25
Operation Not
Recommended
RPM
660
687
714
740
766
791
816
840
864
887
910
933
Turns Out
3.0
2.5
1.5
1.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
BHP
—
Brake Horsepower
SCFM —
Standard Cubic Feet Per Minute
SCFM
AIRFLOW
EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
6,000
BHP
1.38
1.51
1.63
1.76
1.89
2.02
2.16
2.30
2.43
2.57
2.71
2.84
2.99
3.12
RPM
560
592
624
655
685
715
743
771
797
823
849
874
897
921
Turns Out
5.5
4.0
3.0
5.5
4.5
3.5
2.5
1.5
1.0
0.0
4.0
3.5
2.5
2.0
6,600
BHP
1.83 1.73
2.10
2.24
2.39
2.53
2.67
2.83
2.97
3.12
3.28
3.34
3.50
3.65
RPM
614
644
673
702
729
757
783
809
834
859
883
895
919
941
Turns Out
3.5
2.0
5.0
4.0
3.0
2.0
1.5
0.5
4.5
3.5
3.0
2.5
2.0
1.5
7,200
BHP
2.30
2.44
2.60
2.75
2.90
3.06
3.22
3.38
3.54
3.70
3.86
4.03
4.20
4.27
RPM
656
684
711
738
764
790
815
839
863
887
910
933
957
966
Turns Out
5.5
4.5
3.5
3.0
2.0
1.0
0.0
4.5
3.5
3.0
2.5
1.5
1.0
0.5
8,000
BHP
2.94
3.10
3.27
3.44 3.61
3.77
3.95
4.13
4.30
4.47
4.65
4.83
5.01
RPM
696
722
747
772
797
821
844
867
890
912
935
956
978
Turns Out
4.0
3.5
2.5
1.5
1.0
0.0
4.0
3.5
3.0
2.0
1.5
1.0
0.5
8,600
BHP
3.71
3.88
4.06
4.25
4.42
4.61
4.79
4.97
5.16
5.35
5.53
RPM
756
780
803
827
849
872
894
916
937
958
979
Turns Out
2.0
1.5
0.5
4.5
4.0
3.5
3.0
2.0
1.5
1.0
0.5
9,300
BHP
4.59
4.77
4.97
5.16
5.36
5.56
5.75
5.95
6.15
RPM
805
828
850
872
893
914
935
955
976
Operation Not
Recommended
Turns Out
0.5
4.5
4.0
3.5
2.5
2.0
1.5
1.0
0.5
10,000
BHP
5.43
5.63
5.84
6.05
6.26
6.47 6.68
6.89
RPM
838
859
881
901
922
942
962
981
Turns Out
4.5
3.5
3.0
2.5
2.0
1.5
0.5
0.0
BHP
—
Brake Horsepower
SCFM —
Standard Cubic Feet Per Minute
D
A
B
C
D
A
B
C
