Samson 3271-5, Mounting And Operating Instructions

Page: 13 / 52

EB 8310-1 EN 13
Design and principle of operation
Legend for Fig. 2 and Fig. 3
A2.1
A46
A1
A5.2
A2.1
A41
A8
A4
A26/27
A42
A40
A2
A10
A15
A7
A9
A20/21
A5.1
A27.3
A27.1
Version for micro-flow valve
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
A5.1 Diaphragm plate
A5.2 Diaphragm plate
A7 Actuator stem
A8 Ring nut
A9 Hexagon nut
A10 Spring
A15 Collar nut
A16 Vent plug
A20 Hexagon bolt
A21 Hexagon nut
A26/27Stem connector clamps
A27.1 Stem connector nut
A27.3 Lock nut
A40
Radial shaft seal
A41 Wiper ring
A42 Dry bearing
A46 Spindle
S Signal pressure
connection
Fig. 3: Type 3277-5 Actuator with 120 cm² actuator area