Operation
Pressure loss across the plant
Turns of the set point screw
(flow set point adjustment)
20
16
DN 200
DN 250
Fig. 7-9: Adjustment diagram, DN 200 and 250 · Balanced by a diaphragm
7-12
1.6
Δp (bar)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
12
8
4
Differential pressure set point
(Type 42-34)
0.2
0.4
0.5
°
V max
m ³ /h
60
120
180
240
300
360
420
480
540
600
Differential pressure at
restriction Δp (bar)
EB 3013 EN