Samson 3277-5 Mounting And Operating Instructions page 14

Design and principle of operation
A20/21
A2
A40
A42
Fig. 3-2: Type 3277-5 Actuator with 120 cm² actuator area
Legend for Fig. 3-1 and Fig. 3-2
A1 Top diaphragm case
A2 Bottom diaphragm case
A2.1 Switchover/connecting
plate for signal pressure
routing
A2.2 Connection for actuator
stem extends (FA)
A2.3 Connection for actuator
stem retracts (FE)
A4 Diaphragm
3-2
A15
A10 A7
A9
A26/27
A5.1
A5.2
A7
A8
A9
A10
A15
A16
A20
A21
A5.1
A4
A2.1
A27.3
A27.1
Version for micro-flow valve
Diaphragm plate
Diaphragm plate
Actuator stem
Ring nut
Hex nut
Spring
Collar nut
Vent plug
Hex bolt
Hex nut
A133
A8
A41
A26/27Stem connector clamps
A27.1 Stem connector nut
A27.3 Lock nut
A40 Radial shaft seal
A41 Wiper ring
A42 Dry bearing
A133 Stop bushing
S Signal pressure
connection
EB 8310-1 EN
A1
A5.2
A2.1