Case 1650M - Torque Values for Inch O-Ring Boss (ORB) Port Plugs; Torque Values for Four-Bolt Flange Connections

INTRODUCTION
TorquevaluesforinchO-RingBoss(ORB)portplugs
FerrousNon-Ferrous
SAE
dashsize
UN/UNF
threadsize
Internalhex
N·m(lbft)
±10%
Externalhex
N·m(lbft)
±10%
N·m(lbft)
±10%
2
5/16-247.5(5.5)12.5(9.2)7.5(5.5)
3
3/8-2414.5(10.7)21(15.5)12.5(9.2)
4
7/16-2021(15.5)37(27.3)22(16.2)
5
1/2-2028(20.7)42(31)25(18.4)
6
9/16-1847(34.7)47(34.7)28(20.7)
8
3/4-1689(65.6)89(65.6)53(39.1)
10
7/8-14116(85.6)116(85.6)70(51.6)
12
1-1/16-12176(129.8)176(129.8)106(78.2)
14
1-3/16-12247(182.2)247(182.2)148(109.2)
16
1-5/16-12284(209.5)284(209.5)170(125.4)
20
1-5/8-12357(263.3)357(263.3)214(157.8)
24
1-7/8-12441(325.3)441(325.3)265(195.5)
32
2-1/2-12536(395.3)536(395.3)322(237.5)
Torquevaluesforfour-boltangeconnections(MetricScrews,Class10.9)
Metricsize
mm
Imperialsize
in
Screwcode
61
Code61
N·m(lbft)
±10%
Screwcode
62
Code62
N·m(lbft)
±10%
13
1/2
M8x1.25
34(25.1)
M8x1.25
34(25.1)
19
3/4
M10x1.5
74(54.6)
M10x1.5
74(54.6)
251M10x1.5
74(54.6)
M12x1.75
137(101)
M12x1.75
137(101)
32
1-1/4
M10x1.5
74(54.6)
M14x1.5
189(139.4)
38
1-1/2
M12x1.75
137(101)
M16x2
310(228.6)
512M12x1.75
137(101)
M20x2.5
575(424.1)
64
2-1/2
M12x1.75
137(101)
M24x3
575(424.1)
763M16x2
310(228.6)
M30x3.5
680(501.5)
89
3-1/2
M16x2
310(228.6)
––
1024M16x2
310(228.6)
––
127
5
M16x2
310(228.6)
––
Torquevaluesforfour-boltangeconnections(MetricScrews,Class8.8)
Metricsize
mm
Imperialsize
in
Screwcode
61
Code61
N·m(lbft)
±10%
Screwcode
62
Code62
N·m(lbft)
±10%
13
1/2
M8x1.25
29(21.4)
M8x1.25
29(21.4)
19
3/4
M10x1.5
57(42)
M10x1.5
57(42)
251M10x1.5
57(42)
M12x1.75
100(73.8)
M12x1.75
100(73.8)
32
1-1/4
M10x1.5
57(42)
M14x1.5
160(118)
38
1-1/2
M12x1.75
100(73.8)
M16x2
250(184.4)
512M12x1.75
100(73.8)
M20x2.5
500(368.8)
64
2-1/2
M12x1.75
100(73.8)
M24x3
575(424.1)
763M16x2
250(184.4)
M30x3.5
680(501.5)
89
3-1/2
M16x2
250(184.4)
––
1024M16x2
250(184.4)
––
127
5
M16x2
250(184.4)
––
4804856726/04/2017
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