Design and principle of operation
Type 2423 Valve
balanced by a bellows
19
4
3
20
7
5
6
18
11
14
12
19
Fig. 3-1: Functional diagram of regulator, DN 15 to 250 with balancing bellows (without electric
actuator)
3-2
Connection of an electric actuator
+
21
8
Type 2426 Actuator
15
16
17
EB 3018 EN