Samson 42-36 E Mounting And Operating Instructions page 55

Table 7-2: Flow rate set point ranges for water · Type 2423 E
Balanced by a bellows or diaphragm
Set point ranges in m³/h with ...
Differential pressure at the restriction
Δprestriction = 0.2 bar
Differential pressure at the restriction
Δprestriction = 0.5 bar
7 to 35 m³/h (160 cm² actuator), 7 to 40 m³/h (320 cm² actuator)
1)
V m³/h
55
50
45
40
35
30
25
20
15
10
5
0 1 2 3 4 5 6 7 8 9 10
Fig. 7-3: Adjustment diagrams for Type 2423 E Regulator, balanced by a bellows or diaphragm,
DN 65 to 100
EB 3018 EN
DN 65
5 to 28
7.5 to 40
Adjustment diagrams for water
DN 80
DN 80
Actuator
DN 65
320 cm²
DN80
DN65
U
Δp = 0.5 bar V
restriction
Δp = 0.2 bar U
restriction
DN 80
7 to 35
10 to 55
V m³/h
110
100
90
80
70
60
50
40
30
20
10
0 1 2 3 4 5 6 7 8
Flow rate
Turns of the set point adjuster (restriction)
Operation
DN 100
10 to 63
1)
15 to 90
DN 100
0,5
0,2
9 10
U
11
7-9