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FOREWORD
12
Tightening Torques for Split Flanged Bolts
★ Unless otherwise specified, tighten split flanged bolt to the torque shown in the following table.
Thread Diameter
mm
10
12
16
Tightening Torques For O-ring Boss Piping Joints
★ Unless there are special instructions, tighten the O-ring boss piping joints to the torque below.
Norminal No.
02
-
03, 04
05, 06
10, 12
14
Table Of Tightening Torques For O-ring Boss Plugs
★ Unless there are special instructions, tighten the O-ring boss plugs to the torque below.
Thread diameter
Norminal No.
08
10
12
14
16
18
20
24
30
33
36
42
52
PC490LC-10
Width across Flats
mm
14
17
22
Thread diameter
Width across flat
mm
14
18
20
Varies depending on type
of connector.
24
33
42
Width across flat
mm
08
10
12
14
16
18
20
24
30
33
36
42
52
STANDARD TIGHTENING TORQUE
Tightening Torque
N•m
59 – 74
98 – 123
235 – 285
mm
35 - 63 (25.81 - 46.46)
59 to 98 (43.5 - 72.3)
84 - 132 (61.95 - 97.35)
128 - 186 (94.40 - 137.18)
363 - 480 (267.73 - 354.02)
746 - 1,010 (550.22 - 744.93)
mm
14
5.88 - 8.82 (4.33 - 6.50)
17
9.8 - 12.74 (7.22 - 9.39)
19
14.7 - 19.6 (10.84 - 14.45)
22
19.6 - 24.5 (14.45 - 18.07)
24
24.5 - 34.3 (18.07 - 25.29)
27
34.3 - 44.1 (25.29 - 32.52)
30
44.1 - 53.9 (32.52 - 39.75)
32
58.8 - 78.4 (43.36 - 57.82)
32
93.1 - 122.5 (68.66 - 90.35)
–
107.8 - 147.0 (79.50 - 108.42)
36
127.4 - 176.4 (93.96 - 130.10)
–
181.3 - 240.1 (133.72 - 177.08)
–
274.4 - 367.5 (202.38 - 271.05)
kgm
59 – 74
43.51 – 54.57
98 – 123
72.28 – 90.72
235 – 285
173.32 – 210.20
Tightening torque N•m (lbf-ft)
Range
Tightening torque N•m (lbf lb)
Range
151.9 (112.03)
210.7 (155.40)
323.4 (238.52)
00
lbf ft
00
Target
44 (32.45)
78 (57.5)
103 (75.96)
157 (115.79)
422 (311.25)
883 (651.26)
00
Target
7.35 (5.42)
11.27 (8.31)
17.64 (13.01)
22.54 (16.62)
29.4 (21.68)
39.2 (28.91)
49.0 (36.14)
68.6 (50.59)
107.8 (79.50)
124.4 (91.75)
00-35 b
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