Samson 42-34 Mounting And Operating Instructions page 55

Table 7-2: Flow rate set point ranges for water · Type 2423 Valve, balanced by a bellows
∆p
∆p ∆p restric-
set point plant
tion
0.2 bar 0.1 bar 0.1 bar V Max. 1.4
0.5 bar 0.3 bar 0.2 bar V Max. 2
1.0 bar 0.5 bar 0.5 bar V Max. 3
Max. permissible differential
pressure ∆p
Table 7-3: Flow rate set point ranges for water · Type 2423 Valve, balanced by a
diaphragm
Valve size
Differential pressure 0.2 bar
across restriction
0.5 bar 3.5 to 40
∆p
restriction
Max. permissible differential
pressure ∆p
7 to 35 m³/h (160 cm² actuator), 7 to 40 m³/h (320 cm² actuator)
1)
EB 3013 EN
DN 15 20 25
.
V Min. 0.05 0.15 0.25 0.4
.
2.1 2.4
.
3 3.5
.
4.5 5.3
DN 65 80
2 to 28 3.5 to 35
6.5 to 55
10 bar
32 40 50 65
0.6 0.9
4.9 7.7 11.2 19
7 11 16 28
9.5 16 24 40
25 bar
100 125
6.5 to 63 11 to 120 18 to 180 20 to 320 26 to 350
1)
11 to 90 18 to 180 20 to 260 26 to 450 30 to 520
80 100 125 150 200 250
2 3.5 6.5 11
28 44 56
40 63 80 120 180 220
58 90 120 180 260 300
20 bar 16 bar
12 bar
150 200
12 bar
Operation
18 20 26
84 126 154
10 bar
250
10 bar
7-13