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FOREWORD
TABLE OF 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
TIGHTENING TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE
SEAL TYPE)
★ Tighten the hoses (taper seal type and face seal type) to the following torque, unless otherwise specified.
★ Apply the following torque when the threads are coated (wet) with engine oil.
Nominal
Width
size of hose
across flats
02
19
22
03
24
04
27
05
32
06
36
(10)
41
(12)
46
(14)
55
00-14
b
Thread diameter
Width across flat
mm
14
20
Varies depending on
24
type of connector.
33
42
Width across flat
mm
08
10
12
14
16
18
20
24
30
33
36
42
52
Tightening torque (Nm {lbf ft})
Range
34 - 54 {25.0 - 39.8}
34 - 63 {25.0 - 46.4}
54 - 93 {39.8 - 68.5}
59 - 98 {43.5 - 72.2}
84 - 132 {61.9 - 97.3}
128 - 186 {94.4 - 137.1} 157 {115.7}
177 - 245 {130.5 - 180.7} 216 {159.3}
177 - 245 {130.5 - 180.7} 216 {159.3}
197 - 294 {145.3 - 216.8} 245 {180.7}
246 - 343 {181.4 - 252.9} 294 {216.8}
STANDARD TIGHTENING TORQUE
mm
35 - 63 {25.81 - 46.46}
84 - 132 {61.95 - 97.35}
128 - 186 {94.40 - 137.18}
363 - 480 {267.73 - 354.02}
746 - 1010 {550.22 - 744.93}
Tightening torque (Nm {lbf lb})
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}
Taper seal
type
Thread size
Target
(mm)
44 {32.4}
-
44 {32.4}
14
74 {54.5}
-
78 57.5}
18
103 {75.9}
22
24
30
33
36
42
Tightening torque (Nm {lbf ft})
Range
Range
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}
151.9 {112.03}
210.7 {155.40}
323.4 {238.52}
Face seal type
Nominal thread
Root diameter (mm)
size - Threads per
inch, Thread series
9/16 - 18UN
-
11/16 -16UN
-
13/16 - 16UN
1 - 14UNS
1 3/16 - 12UN
-
-
-
00
Target
44 {32.45}
103 {75.96}
157 {115.79}
422 {311.25}
883 {651.26}
00
Target
7.35 {5.42}
00
(Reference)
14.3
-
17.5
-
20.6
25.4
30.2
-
-
-
WB156PS-5
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