Samson 5857, Mounting And Operating Instructions, Page: 16 / 80

3-2 EB 5857 EN
Design and principle of operation
1 Actuator
1.1 Cable
2 Handwheel
3 Actuator stem
4 Coupling nut
5 Travel indicator
6 Plug stem
7 Valve spring
8 Cover
1)
(serial interface, direction of action switch, initialization button and LEDs)
1) Only in the version with digital positioner
1 8
2
4
eL
aL
3
6
7
5
1.1
Fig. 3-1: Valve with actuator