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Actuator stem extends
17
Side view of connection block
with seal (new)
17
18
1.2 Clamp
D1 Lever
D2 Lever
15 Distance plate
16 Cover
17 Seal
18 Cover plate
19 Switch plate
Actuator stem extends
Actuator stem retracts
Fig. 3 ⋅ Attachment and signal pressure connection for Type 3277 Actuators (top) and 3277-5 with 120 cm
Internal signal pressure
connection
with switch plate (old)
Symbol "actuator
stem extends"
Marking
"Actuator stem
retracts"
Switchover plate
Marking
Signal pressure
input with brass
throttle, if required
Attachment to the control valve
Actuator stem retracts
17
15
19
15
Signal pressure bore
Signal pressure tube
Connection block
Venting
1.2
D2
D1
16
Signal pressure input
1.2
16
Switchover
plate
2
(bottom)
EB 8383-1 EN
11
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