Flowserve FlowAct Series User Instructions page 43

26. Tighten the nuts (351) using a crosswise pattern in
four steps.
27. Install the protection sleeve (339).
28. Reassemble the yoke and coupling parts, perform three
full strokes then check the tightening of the casing
bolting.
29. Log the maintenance interval and the work performed.
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 (6x)
326 6.23 Spring Adjusting Plate
334 6.45 Hexagon Bolt
335 6.3.1 Hexagon Bolt - short (20x)
336 6.3.2 Hexagon Bolt - long (4x)
337 6.5 Plain Washer (24x)
339 6.25 Protection Sleeve
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.
Table 28: Actuator parts
FlowAct Diaphragm Linear Actuator
1)
30. The actuator subassembly is ready to be mounted on
the valve and the accessories attached.
348
349
272
225
227
220
228
374
211
229
326
231
Figure 25: Actuator parts
FCD VLENIMFACTA4 10/16
336
335
337
203
255
202
253
258
254
276
279
334
351
339
275
273
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