DeZURIK
D10322
Page 18
November 2020
Torque Specification
Table A: Class 150 Valves
—Gland Nut Torques and
Spring Washer Quantities for Live-Loaded Packing
Valve Size
Gland
Nut Torque
Spring Washers (17-7PH Stainless Steel)
Quantity
Each
Gland
Stud
Dimensions (Ref)
in [mm]
in
mm
in lbs
Nm
Outside
Diameter
Inside
Diameter
Material
Thickness
Overall
Height
2
50
4±0.5
0.45±0.05
5
0.551
[14.00]
0.283
[7.19]
0.014
[0.35]
0.032
[0.81]
2.5
65
5±0.5
0.56±0.05
3
75
6±0.5
0.67±0.05
4
100
6±0.5
0.67±0.05
6
5
125
11±0.5
1.2±0.05
8
0.551
[14.00]
0.283
[7.19]
0.014
[0.35]
0.032
[0.81]
6
150
16±1
1.8±0.11
5
0.709
[18.00]
0.323
[8.20]
0.020
[0.50]
0.043
[1.09]
8
200
19±1
2.1±0.11
6
10
250
23±1
2.5±0.11
7
12
300
43±2
4.8±0.22
4
0.787
[20.00]
0.402
[10.21]
0.035
[0.89]
0.057
[1.45]
14
350
43±2
4.8±0.22
16
400
45±2
5±0.22
18
450
59±2
6.6±0.22
6
0.984
[25.00]
0.480
[12.19]
0.028
[0.71]
0.063
[1.60]
20
500
70±2
7.9±0.22
5
0.984
[25.00]
0.480
[12.19]
0.035
[0.89]
0.063
[1.60]
24
600
105±2
11.8±0.22
6
1.100
[27.94]
0.559
[14.20]
0.032
[0.81]
0.075
[1.90]
30
750
156±3
17.6±0.33
6
1.100
[27.94]
0.559
[14.20]
0.039
[0.99]
0.071
[1.80]
36
900
185±3
20.9±0.33
4
1.100
[27.94]
0.559
[14.20]
0.049
[1.24]
0.083
[2.11]
* For valve siz
es 40” (1000mm) and larger, consult factory.