Instruction Manual
D102010X012
EU and EW Series Valves
July 2017
10
Figure 4. Typical Globe Valve Bonnet
CU4317
Table 3. Packing Flange Nut Torque for Packing Without a Spring
VALVE STEM
DIAMETER
PRESSURE
RATING
GRAPHITE‐TYPE PACKING PTFE‐TYPE PACKING
Minimum Torque Maximum Torque Minimum Torque Maximum Torque
mm Inch NSm LbfSft NSm LbfSft NSm LbfSft NSm LbfSft
31.8 1‐1/4
CL150 & 300
CL600
CL900
33
45
56
24.3
33.2
41.3
49
67
83
36.1
49.4
61.2
16
21
27
11.8
15.5
19.9
25
33
41
18.4
24.3
30.2
Table 4. Body‐to‐Bonnet Bolt Torque
VALVE SIZE,
NPS
PRESSURE RATING
BOLTING TORQUE
(1)
NSm LbfSft
12, 16x12
16
16
20 x 16, 24 x 16
20 x 16
20, 24 x 20
CL150 - 600
CL150 ‐ 600
CL900
CL150 ‐ 600
CL900
CL150 ‐ 600
1750
2800
1750
2800
1750
4240
1290
2070
1290
2070
1290
3130
1. For B7, B7M, B16, and 660 bolting materials. For other materials, contact your Emerson sales office or Local Business Partner for torque values.
CAUTION
To prevent damage to the valve cavity, packing box wall, and packing surfaces, observe the instructions in the next three
steps.
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