Fig. 7 —Size 036
Range of Available Airflow Rate in H-Speed
Fan
Max Point
ESP
Speed
Max
SP
CFM
(in.)
0.20
0.08
0.24
0.12
0.28
0.16
0.32
0.20
0.36
0.24
0.40
0.28
0.44
0.30
0.48
0.34
H
1366
0.52
0.38
0.56
0.42
0.60
0.46
0.64
0.50
0.68
0.56
0.72
0.60
0.76
0.64
0.80
0.68
LEGEND
ESP - External Static Pressure
SP - Static Pressure
Rating Point
Min Point
Mid
SP
Min
SP
CFM
(in.)
CFM
(in.)
0.20
0.32
0.24
0.36
0.28
0.40
0.32
0.44
0.36
0.48
0.40
0.52
0.44
0.57
0.48
0.61
1188
1010
0.52
0.65
0.56
0.69
0.60
0.73
0.64
0.77
0.68
0.78
0.72
0.82
0.76
0.86
0.80
0.90
Fig. 8 —Size 048
Range of Available Airflow Rate in H-Speed
Fan
Max Point
ESP
Speed
Max
CFM
0.20
0.24
0.28
0.32
0.36
0.40
0.44
0.48
H
1643
0.52
0.56
0.60
0.64
0.68
0.72
0.76
0.80
LEGEND
ESP - External Static Pressure
SP - Static Pressure
8
Rating Point
Min Point
SP
Mid
SP
Min
(in.)
CFM
(in.)
CFM
0.08
0.20
0.12
0.24
0.16
0.28
0.20
0.32
0.24
0.36
0.28
0.40
0.30
0.44
0.34
0.48
1429
1215
0.38
0.52
0.42
0.56
0.46
0.60
0.50
0.64
0.55
0.68
0.59
0.72
0.63
0.76
0.67
0.80
SP
(in.)
0.28
0.32
0.36
0.40
0.44
0.48
0.50
0.54
0.58
0.62
0.66
0.70
0.76
0.80
0.84
0.88