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FOREWORD
Tightening Torque 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
Tightening Torque For Face Seal Joints
★ Tighten the face seal joints (sleeve nut type) made of plated steel pipes for low pressure service to be used for engines, etc.
to the torque shown in this table.
★ Apply the following torque to the face seal joint while their threaded parts are coated with engine oil (wetted).
Outer
Width
Diameter
across
of Pipe
Flats
(mm)
(mm)
8
19
14 – 16 [1.4 – 1.6] {10.33 – 11.80}
10
22
24 – 27 [2.4 – 2.7] {17.70 – 19.91}
12
24 (27)
43 – 47 [4.4 – 4.8] {31.72 – 34.67}
15 (16)
30 (32)
60 – 68 [6.1 – 6.8] {44.25 – 50.15}
22 (20)
36
90 – 95 [9.2 – 9.7] {66.38 – 70.07}
00-36
b
Tightening torque (N•m (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)
Tightening Torque N•m [kgm] {lbf ft}
Range
STANDARD TIGHTENING TORQUE
Taper seal
type
Thread size
Target
size - Threads per
(mm)
inch, Thread series
44 (32.4)
-
44 (32.4)
14
74 (54.5)
-
78 57.5)
18
103 (75.9)
22
24
30
33
36
42
Target
Number of threads,
15 [1.5] {11.06}
25.5 [2.6] {18.81}
45 [4.6] {33.19}
64 [6.5] {47.20}
92.5 [9.4] {68.22}
Face seal type
Nominal thread
Root diameter (mm)
(Reference)
9/16 - 18UN
-
11/16 -16UN
-
13/16 - 16UN
1 - 14UNS
1-3/16 - 12UN
-
-
-
Face seal
Nominal No. –
Thread Diameter
Type of Thread
(Reference)
9/16-18UN
11/16-16UN
13/16-16UN
1-14UN
1-3/16-12UN
PC490LC-10
00
14.3
-
17.5
-
20.6
25.4
30.2
-
-
-
00
(mm)
14.3
17.5
20.6
25.4
30.2
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