Samson 3277 Mounting And Operating Instructions page 5

9 6
12
12.1
1 Nut
1.1 Nut
2.1 Bushing
5 Diaphragm case
6 Springs
7 Diaphragm plate
7.1 Metal plate
8 Diaphragm
9 Nuts and bolts
10 Yoke
12 Stem seal
Switchover plate
14.7
14.5
14.3
14.4
Actuator stem extends
left attachment right attachment
Fig. 4 ⋅ Type 3277-5 Actuator (120 cm
1 2 1.1
12.1 Dry bearing
13 Wiper
14 Switchover or connecting plate
loading pressure connection
14.1 for actuator stem extends
16
14.2 for actuator stem retracts
15 Ring nut
16 Stem connector
Dimension "a" = 188.5 for 15 mm travel and 185.5 for 20 mm travel
14.3 Symbol
14.4 Mark
14.5 for left attachment
14.6 for right attachment
14.7 Gasket with filter
14.8 Loading pressure
Actuator stem retracts
left attachment
2
)
2.1 2
7
8
10
14
14.6
loading pressure input
connection
right attachment
Design and principle of operation
Actuator with threaded
coupling for micro-flow valve
Connecting plate
Actuator stem
extends
EB 8311 EN
7.1
14.1
14.2
14
15
13
16
14.8
14.3
14.4
retracts
5