Mechanical Assembly; Valve Torque Specifications - DANIEL 762 User Manual

9.4

Mechanical assembly

9.4.1

Valve torque specifications

Table 9-1:
Valve size (in)
2
3
4
6
8
10
12
16
Table 9-2:
Nominal pipe size
6"
8"
User manual
Valve cylinder head torque specifications (stud-nuts)
Daniel Class
150
300
600
150
300
600
150
300
600
150
300
600
150
300
600
150
300
400
600
150
300
600
150
300
600
Torque specification for socket-head screws
Daniel Class
600
600
Planned maintenance
Num. bolts Min. torque (lbs/ft)
6 6
6 15
6 67
6 15
6 40
8 49
8 13
8 35
8 100
8 18
8 46
10 211
10 51
10 132
12 274
12 67
12 199
16 216
16 369
12 117
12 302
16 565
20 142
20 368
20 922
Max Torque (ft-lb)
5
11
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