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FOREWORD
★ This table corresponds to the bolts in Figure B.
Thread Diameter
of Bolt
mm
6
mm
8
10
12
★ Figure B
The widths across flats against the thread diameters of flanged bolts
(marks with "*") in Figure A are the ones indicated in the table for
bolts shown in Figure B.
Values of tightening torques shown in the table for Figure A are
applied.
For Split Flange Bolts
★ Unless there are special instructions, tighten split flange bolts to the torque in this table.
Thread Diameter
mm
10
12
16
For O-Ring Boss Piping Joints
★ Unless there are special instructions, tighten the O-ring boss piping joints to the torque in this table.
[
Thread Diameter
Norminal No.
mm
02
03, 04
05, 06
10, 12
14
WA250-6
Width across Flats
mm
10
mm
13
14
27
Width across Flats
mm
14
17
22
Width across Flats
mm
14
20
Varies depending on
24
type of connector.
33
42
STANDARD TIGHTENING TORQUE
Tightening Torque
N•m
5.9 – 9.8
0.6 – 1.0
N•m
13.7 – 23.5
1.4 – 2.4
34.3 – 46.1
3.5 – 4.7
74.5 – 90.2
7.6 – 9.2
00
Tightening Torque
N•m
59 – 74
98 – 123
235 – 285
235 – 285
Tightening Torque (N•m [kgm] {lbf ft})
Range
35 – 63 [3.5 – 6.5] {25.81 – 46.47}
84 – 132 [8.5 – 13.5] {61.96 – 97.36}
128 – 186 [13.0 – 19.0] {94.41 – 137.19}
363 – 480 [37.0 – 49.0] {267.73 – 354.03}
746 – 1010 [76.0 – 103.0] {550.22 – 744.94}
kgm
52 – 88
kgm
10 – 17
25 – 34
55 – 66
kgm
59 – 74
44 – 55
98 – 123
72 – 91
173 – 210
44 [4.5] {33}
103 [10.5] {76}
157 [16.0] {116}
422 [43.0] {311}
883 [90.0] {651}
lbf in
lbf ft
lbf ft
00
Target
00-33
c
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