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FlowAct Diaphragm Linear Actuator FCD VLENIMFACTA4 10/16
41
flowserve.com
Item #
Part
WW
EU
202
6.1
Diaphragm Casing
203
6.2
Diaphragm Casing
211
6.12
Stem
220
6.14
Disk
225
6.16
Diaphragm
227
6.15
Diaphragm Plate
228
6.13
Spacer Bushing
229
6.21
Actuator Spring
231
6.22
Distance Plate
253
6.8
Guide Bushing
254
6.80
Plain Bearing
255
6.18
Thrust Washer
258
6.26
Vent Plug
272
6.17
O-Ring
273
6.11
Scraper Ring
275
6.10
O-Ring
276
6.9
O-Ring
279
6.46
O-Ring
326
6.23
Spring Adjusting Plate
334
6.45
Hexagon Bolt (6x)
335
6.3.1
Hexagon Bolt - short (20x)
336
6.3.2
Hexagon Bolt - long (4x)
337
6.5
Plain Washer
1)
339
6.25
Protection Sleeve (4x)
348
6.20
Special Nut
349
6.19
Lock Washer
351
6.4
Hexagon Nut
374
6.47
Distance Bushing
1)
Alternatively, hex head assembled screws with captive flat washers are used for this application.
211
255
225
272
220
227
228
374
349
348
273
275
339
351
202
253
254
276
279
334
229
326
231
203
258
337
335
336
Table 27: Actuator parts
Figure 24: Actuator parts
24. Install the short hexagon bolts (335) and hexagon nuts
(351).
25. Tighten the nuts (351) using a crosswise pattern in
four steps.
26. Install the protection sleeve (339).
27. Reassemble the yoke and coupling parts, perform three
full strokes then check the tightening of the casing bolting.
28. Log the maintenance interval and the work performed.
29. The actuator subassembly is ready to be mounted on
the valve and the accessories attached.