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SWSI & DWDI FANS - QUICK SELECTION CURVES
E
© FANTECH
2016
E-11
CENTRIFUGAL FANS; SWSI & DWDI
q
V
- Volume Flow, m /s
3
q
V
- Volume Flow, m /s
3
p
S
F - Fan Static Pressure, Pa
p
S
F - Fan Static Pressure, Pa
4.0
2.0
20.0
6.0
10.0
4.0
6.0
10.0
20.0
40.0 60.0
1.0
2.0
40.0 60.0
100 120
0.6
1.0
0.5
0
750
1250
1500
1750
2000
2250
2500
2750
1000
500
250
0
750
1250
1500
1750
2000
2250
2500
2750
1000
500
250
SWSI
Fans
Size 12
13
15
16
18
20
22
24
27
30
33
36
40
44
49
54
60
66
73
80
System
Lines
DWDI
Fans
System
Lines
Size 12
13
15
16
18
20
22
24
27
30
33
36
40
44
49
54
60
66
73
80
Typical Example
Air flow:
10m
3
/s
Static Pressure: 1500Pa
Recommended size is 40
Typical Example
Air flow:
30m
3
/s
Static Pressure: 1500Pa
Recommended size is 49
Recommended
selection to right
of duty point
Recommended
selection to right
of duty point