Samson 3277 - Page 20

3-2 EB 8048-2 EN
Design and principle of operation
2
24
3
20
5.1
36
40
1
2
1
24
3
20.1
20.2
5.2
23
15
19
41
36
39
Fig.3-1: Type3349 Valve with Type3271 Pneumatic Actuator
Legend for Fig.3-1 and Fig.3-2
1 Body
2 Plug
3 Plug stem
5.1 Stem seal
5.2 Threaded bushing
15 Spring
19 Washer
20 Standard yoke for Type3271/3277
Actuator
20.1 Valve bonnet for micro-ow valve ver-
sion with Type3271/3277 Actuator
20.2 Yoke for micro-ow valve version with
Type3271/3277 Actuator
20.3 Valve bonnet for micro-ow valve
version with Type3379 Actuator
21 Standard valve bonnet with Type3379
Actuator
23 Packing
24 Diaphragm
34 Screw
36 Screw plug or nipple
39 Seal
40 Pipe
41 Bearing
43 Snap ring
Micro-ow valve version
with packing