Instruction Manual
D100397X012
ES Valve
July 2017
11
15. Mount the actuator on the valve assembly and reconnect the actuator and valve stem according to the procedure
in the appropriate actuator instruction manual.
Trim Maintenance
WARNING
Refer to the WARNING at the beginning of the Maintenance section in this instruction manual.
CAUTION
In the following applicable procedures, to avoid damaging parts, do not grip the bellows shroud or other parts of the
stem/bellows assembly. Grip only the flat areas on the stem where it extends out of the top of the bellows shroud.
Except where indicated, key numbers in this section are referenced in figure 13 for standard NPS 1/2 through 6
constructions, figure 14 for NPS 8 ES valves, figure 15 for Whisper Trim III cage detail, and figure 16 for WhisperFlo
trim.
Disassembly
1. Remove the actuator and the bonnet according to steps 1 through 6 of the Replacing Packing procedure of the
Maintenance section.
Table 4. Recommended Torque for Packing Flange Nuts (Not for Spring‐Loaded Packing)
VALVE STEM DIAMETER
PRESS‐URE
RATING
GRAPHITE TYPE PACKING
PTFE TYPE PACKING
Minimum Torque
Maximum Torque
Minimum Torque
Maximum Torque
mm
Inches
N
S
m
Lbf
S
in
N
S
m
Lbf
S
in
N
S
m
Lbf
S
in
N
S
m
Lbf
S
in
9.5
3/8
CL125,
150
3
24
5
48
1
12
3
24
CL250,
300
4
36
7
60
2
18
3
30
CL600
5
48
8
72
3
24
4
36
12.7
1/2
CL125,
150
5
48
8
72
3
24
4
36
CL250,
300
7
60
10
84
3
30
5
42
CL600
10
84
14
120
5
42
7
60
19.1
3/4
CL125,
150
11
96
16
144
5
48
8
72
CL250,
300
14
120
20
180
7
60
10
90
CL600
20
180
30
264
10
90
15
132
25.4
1
CL300
24
216
37
324
12
108
16
144
CL600
34
300
50
444
16
144
24
216
31.8
1‐1/4
CL300
33
288
49
432
16
144
24
216
CL600
45
396
66
588
22
192
33
288
