Burkert 8025 Notice D'utilisation page 98

APPENDIX
Flow Chart (gpm, DN in inch and fps)
Selection Example:
gpm
20000
10000
5000
2000
1000
500
200
100
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.3 0.5 1
Flow velocity
Specifications:
Nominal flow:
Determination with
ideal flow velocity:
With these specifications, the required orifice,
as defined by the flow chart is 1 1/2".
E-48-
BATCH CONTROLLER 8025
2 3 5 10 20
50 gpm
8 fps
16'' DN400
14'' DN350
12'' DN300
10'' DN250
8'' DN200
6'' DN150
5'' DN125
4'' DN100
3'' DN80
2 1/2'' DN65
2'' DN50
1 1/2'' DN40
1 1/4'' DN32
1'' DN25
3/4'' DN20
1/2'' DN15
1/4'' DN08
1/4'' DN06
fps
30