Flowserve RG Series Standard Actuator User Manual
Page 7
7
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User Instructions RG Series Standard Actuator - AXENIM0122-00 12/09
5.6
Switch the positions of the two modules, connect the
Pressure Module first and ensure the ports are on the
stopper bolts side of actuator. Thread in and torque the
piston rod to recommended value, fit back end cover
plate/plug. Pressurize cap end to stroke the actuator to
end.
5.7
Reinstall Spring Module, torque the pull rod to recom-
mended value, fit end cover back. Pressurize rod end of
cylinder and adjust the stopper bolts.
5.8
Check actuator for proper operation, at the rated work-
ing pressure.
NOTE: If operation of valve is not permitted, during
changing of the Fail Safe direction, then the actuator
needs to be taken off the valve and reconfigured, as
explained above.
Fastner
Model
RG1
RG2
RG3
RG4
RG5
RG6
RG7
RG8
Mounting Flange Nut
Thread Size
M8
M10
M12
M12
M16
M16
Tightning
torque
ft Lb
10-12
18-22
30-35
30-35
80-90
80-90
140-160 280-320
kgm
1.4-1.7
2.5-3.0
4.2-4.8
4.2-4.8 11.0-12.5 11.0-12.5 19-22
38-44
Body Cover Bolts
Thread Size
M6
M6
M8
M8
M10
M10
Tightning
torque
ft Lb
3-5
3-5
10-14
10-14
18-22
18-22
26-30
26-30
kgm
0.5-0.7
0.5-0.7
1.4-2.0
1.4-2.0
2.5-3.0
2.5-3.0
3.5-4.0
3.5-4.0
Top Plate Bolts
Thread Size
M6
M6
M8
M8
M10
M10
Tightning
torque
ft Lb
3-5
3-5
10-14
10-14
18-22
18-22
22-26
22-26
kgm
0.5-0.7
0.5-0.7
1.4-2.0
1.4-2.0
2.5-3.0
2.5-3.0
3.0-3.5
3.0-3.5
Stopper Bolt Locknuts
Thread Size
M16
M20
M20
M30
M36
M48
M56
M64
Tightning
torque
ft Lb
75-85
90-100
90-100 100-110 120-130 140-150 175-200 200-240
kgm
10-12
12-14
12-14
14-15
16-18
19-21
25-28
28-33
Piston Rod/Pull Rod
Hex Size, A/F
18
18
24
30
36
46
65
85
Tightning
torque
ft Lb
30-35
35-45
50-60
60-75
75-85
100-140 175-200 200-240
kgm
4-5
4-5
7-8
8-10
10-12
13-19
24-28
28-33
Bolt Torques
Cylinder Size (in.) 5
6
7
8
9
10
12
14
16
18
20
22
24
28
32 32T 36 36T 40
Tie Rod Nut Size
M10 M10 M10 M10 M12 M12 M16 M16 M20 M20 M24 M24 M30 M30 M30 M36 M30 M36 M30
Tightening
Torque (ft Lb)
8
11
14
19
28
34
64
88
143 181 268 325 485 330 431 1028 564 876 673
Tie Rod Nut Torque