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Design and principle of operation
Table 3-4: K
coefficients, x
VS
missible differential pressures (valve balanced by a diaphragm)
Type 2423 E Valve balanced by a diaphragm
Valve size
K
coefficients in m³/h
VS
x
value
FZ
Max. permissible differential
pressure ∆p
Flow rate set point ranges for water in m³/h
∆p
restriction
0.2 bar
Differential
pressure of
∆p
restriction
0.5 bar
7 to 35 m³/h (160 cm² actuator), 7 to 40 m³/h (320 cm² actuator)
1)
Table 3-5: Technical data ∙ Electric actuators for up to valve size DN 100
Type 5824-10, Type 5825-10, Type 5824-20, Type 5824-30, Type 5825-20, Type 3374-11 and Type 3374-21
Electric Actuators
Valve size
Type ...
Fail-safe action
Rated travel
Transit time for rated travel
Transit time for fail-safe
action
Positioning force
Nominal closing force of
spring
Electrical connection
Power consumption
Perm.ambient temperature
Perm. temperature at the
connecting stem
3-10
values, flow rate set point ranges for water and max. per-
FZ
DN
65
80
50
80
0.4
10
=
5 to
7 to
28
35
1)
=
7.5 to
10 to 55
40
DN 15 to 25
5824-10
5825-10
Without
With
6 mm
45 s
–
4 s
700 N
–
–
500 N
24 V, 50 Hz
5 VA
7 VA
0 to 50 °C
0 to 130 °C
100
125
125
250
0.35
10 to 63
40 to 90
60 to
15 to 90
130
DN 32 to 50
5824-20
5825-20
3374-11
Without
With
Without
12 mm
70 s
–
6 s
700 N
–
2500 N
–
500 N
230 V, 50/60 Hz · 120 V, 60 Hz
24 V, 50/60 Hz · 24 V (DC)
5 VA
7 VA
150
200
380
650
12 bar
50 to
70 to
140
220
75 to
100 to
200
310
DN 65 to 100
3374-21
With
15 mm
120 s
–
12 s
500 N
Stem retracts
2000 N
Stem extends
85 to 264 V, 50/60 Hz
2)
Max. 18 VA
5 to 60 °C
–
250
800
0.3
10 bar
90 to
260
120 to
360
5824-30
Without
15 mm
90 s
–
700 N
24 V, 50 Hz
3 VA
0 to 50 °C
–
EB 3018 EN
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