APPENDIX
Flow Chart (l/min, DN in mm and m/s)
l/s
l/min
30
10
5
1
0.5
0.1
Selection Example:
m 3 /h
2000
100
1000
50
500
20
10
100
5
50
2
20
1
10
0.5
5
0.2
3
2
0.1
1
0.05
0.2
0.1
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 8030
0.3
0.5
1
m/s
Flow velocity
3
10m
2...3 m/s
E-20-
2
3
5
/h
10
8030