Samson 42-34 Mounting And Operating Instructions page 49

Pressure loss across the plant
Turns of the set point screw
(flow set point adjustment)
3
DN 25
Fig. 7-4: Adjustment diagram DN 15 to 25
EB 3013 EN
Δp (bar)
2
1
E
DN 15
DN 20
D
Differential pressure set point
(fixed in Type 42-38, adjustable in Type 42-34)
1.6
1.4
1.2
1.0
0.8
0.6
B
0.4
A
0.2
0.1
C
0.2 0.4 0.5
Operation
°
V
max
m /h
3
0.6
1.2
1.8
2.4
3.0
3.6
4.2
4.8
5.4
Differential pressure
at restriction Δp (bar)
7-7