Samson 42-34 Mounting And Operating Instructions page 39

Turns of the set point screw
(flow set point adjustment)
3
DN 25
Fig. 11: Adjustment diagram DN 15 to 25
EB 3013 EN
Δp (bar)
Pressure loss in the plant
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 3 /h
0,6
1,2
1,8
2,4
3,0
3,6
4,2
4,8
5,4
Differential pressure at
restriction Δp (bar)
39