APPENDIX
Flow Chart (l/min, DN in mm and m/s)
l/s
l/min
100
5000
50
1000
10
500
5
100
1
0.5
0.1
Selection Example:
8020
m 3 /h
500
200
100
50
20
10
5
50
2
20
1
10
0.5
5
3
0.2
2
0.1
1
0.05
0.1
0.2
Specifications:
Nominal flow:
Determination with
ideal flow velocity:
With these specifications, the required orifice,
as defined by the flow chart is DN 40.
FLOW SENSOR TYPE 8020
0.3
0.5
1
Flow velocity
10m
2...3 m/s
E-21-
2
3
5
10
3
/h
m/s