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Fan Performance — 50PG03 Horizontal Units
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
600
382 0.05 527 0.09 641 0.14 738 0.20 824 0.26
650
386 0.05 529 0.10 643 0.15 739 0.21 825 0.27
700
390 0.06 532 0.11 644 0.16 741 0.22 826 0.28
750
395 0.06 534 0.11 646 0.17 742 0.23 827 0.30
800
401 0.07 537 0.12 648 0.18 744 0.25 828 0.31
850
407 0.07 541 0.13 651 0.19 746 0.26 830 0.33
900
413 0.08 544 0.14 653 0.20 748 0.27 832 0.35
950
420 0.09 549 0.15 656 0.22 750 0.29 833 0.36
1000
427 0.09 553 0.16 659 0.23 752 0.30 835 0.38
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
600
902 0.32 973 0.38 1040 0.45 1102 0.52 1162 0.60
650
902 0.33 974 0.40 1040 0.47 1103 0.55 1162 0.62
700
903 0.35 975 0.42 1041 0.49 1104 0.57 1163 0.65
750
904 0.37 976 0.44 1042 0.52 1104 0.59 1164 0.67
800
906 0.39 977 0.46 1043 0.54 1105 0.62 1164 0.70
850
907 0.40 978 0.48 1044 0.56 1106 0.64 1165 0.73
900
908 0.42 979 0.50 1045 0.58 1107 0.67 1166 0.75
950
910 0.44 980 0.52 1046 0.61 1108 0.69 1167 0.78
1000
912 0.46 982 0.54 1048 0.63 1110 0.72 1168 0.81
LEGEND
Bhp - Brake Horsepower
NOTES:
1. Motor drive range is 482 to 736 rpm for low range motor/drive and 658 to 1001 rpm
for high range motor/drive. All other rpms require a field‐supplied drive.
2. Maximum continuous bhp is 0.85 for low range motor/drive and 0.85 for high range
motor/drive.
3. See General Fan Performance Notes.
Fan Performance — 50PG04 Horizontal Units
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
900
413 0.08 544 0.14 653 0.20 748 0.27 832 0.35
950
420 0.09 549 0.15 656 0.22 750 0.29 833 0.36
1000
427 0.09 553 0.16 659 0.23 752 0.30 835 0.38
1050
435 0.10 558 0.17 663 0.24 755 0.32 838 0.40
1100
443 0.11 563 0.18 667 0.25 758 0.33 840 0.42
1150
451 0.12 569 0.19 671 0.27 761 0.35 843 0.43
1200
460 0.13 575 0.20 675 0.28 764 0.37 846 0.45
1250
469 0.14 581 0.22 680 0.30 768 0.38 849 0.47
1300
478 0.16 587 0.23 685 0.31 772 0.40 852 0.49
1350
488 0.17 594 0.25 690 0.33 776 0.42 855 0.51
1400
498 0.18 602 0.26 695 0.35 781 0.44 859 0.54
1450
508 0.20 609 0.28 701 0.37 785 0.46 863 0.56
1500
518 0.21 617 0.30 707 0.39 790 0.48 867 0.58
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
900
908 0.42 979 0.50 1045 0.58 1107 0.67 1166 0.75
950
910 0.44 980 0.52 1046 0.61 1108 0.69 1167 0.78
1000
912 0.46 982 0.54 1048 0.63 1110 0.72 1168 0.81
1050
913 0.48 983 0.57 1049 0.66 1111 0.75 1169 0.84
1100
915 0.50 985 0.59 1051 0.68 1112 0.77 — —
1150
918 0.52 987 0.61 1052 0.71 1114 0.80 — —
1200
920 0.54 989 0.64 1054 0.73 1115 0.83 — —
1250
923 0.57 992 0.66 1056 0.76 — — — —
1300
925 0.59 994 0.69 1058 0.79 — — — —
1350
928 0.61 997 0.71 1061 0.82 — — — —
1400
932 0.64 999 0.74 1063 0.85 — — — —
1450
935 0.66 1002 0.77 — — — — — —
1500
938 0.69 1005 0.80 — — — — — —
LEGEND
Bhp - Brake Horsepower
NOTES:
1. Motor drive range is 482 to 736 rpm for low range motor/drive and 796 to 1128 rpm
for high range motor/drive. All other rpms require a field‐supplied drive.
2. Maximum continuous bhp is 0.85 for low range motor/drive and 0.85 for high range
motor/drive.
3. See General Fan Performance Notes.
48/50PG and PM