Samson 42-34 Mounting And Operating Instructions page 51

Pressure loss across the plant
Turns of the set point screw
(flow set point adjustment)
10 9 8
DN 65
DN 80
DN 100
Fig. 7-6: Adjustment diagram DN 65, 80 and 100
EB 3013 EN
Δp (bar)
7 6 5 4 3
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
0.4
0.2
0.1
2 1
0.2 0.4
°
V
max
m /h
3
8
16
24
32
40
48
56
64
72
80
90
0.5 Differential pressure at
restriction Δp (bar)
Operation
7-9