Case 1650M - Tapered Thread Connection Tightening; Torques for Banjo-Bolt Connectors (Copper Washer Style)

INTRODUCTION
Taperedthreadconnectiontightening
BSPT
Threadsize
NPTF
Threadsize
TurnsFromFingerTight(TFFT)
1/8–281/8–272to3fullturns
1/4–191/4–182to3fullturns
3/8–193/8–182to3fullturns
1/2–141/2–142to3fullturns
3/4–143/4–142to3fullturns
1–11
1–11-1/21-1/2to2-1/2fullturns
1-1/4–111-1/4–11-1/21-1/2to2-1/2fullturns
1-1/2–111-1/2–11-1/21-1/2to2-1/2fullturns
2–11
2–11-1/21-1/2to2-1/2fullturns
TorquesforBanjo-boltconnectors(copperwasherstyle)
MetricboltthreadHexsizeTorque
M8x1.25
13mm(0.5in)13N·m(9.6lbft)
M10x1.25
17mm(0.67in)16N·m(11.8lbft)
M12x1.5
17mm(0.67in)40N·m(29.5lbft)
M14x1.5
19mm(0.75in)45N·m(33.2lbft)
M16x1.5
22mm(0.9in)48N·m(35.4lbft)
M18x1.5
24mm(0.9in)50N·m(36.9lbft)
M20x1.5
27mm(1.1in)73N·m(53.8lbft)
M22x1.5
32mm(1.3in)73N·m(53.8lbft)
M24x1.5
32mm(1.3in)73N·m(53.8lbft)
NOTE:Finaltorquetolerance+/–10%ofthegiventorquespecication.
Torquesfor37°Flarehoseconnectors(JIC)
SAE
Dashsize
UN/UNF
Threadsize
TubeODSwivelnuttorque
2
5/16–24
3.18mm(0.125in)1/88.25N·m(6.1lbft)
3
3/8–24
4.76mm(0.187in)3/1611.5N·m(8.5lbft)
4
7/16–20
6.35mm(0.25in)1/415.5N·m(11.4lbft)
5
1/2–20
7.94mm(0.313in)5/1620N·m(14.8lbft)
6
9/16–18
9.52mm(0.375in)3/825N·m(18.4lbft)
8
3/4–16
12.7mm(0.5in)1/252N·m(38.4lbft)
10
7/8–14
15.88mm(0.625in)5/881N·m(59.7lbft)
12
1-1/16–12
19.05mm(0.75in)3/4112N·m(82.6lbft)
14
1-3/16–12
22.22mm(0.875in)7/8133N·m(98.1lbft)
16
1-5/16–12
25.4mm(1.0in)1155N·m(114.3lbft)
20
1-5/8–12
31.75mm(1.25in)1-1/4180N·m(132.8lbft)
24
1-7/8–12
38.1mm(1.5in)1-1/2225N·m(166.0lbft)
32
2-1/2–12
50.8mm(2.0in)2348N·m(256.7lbft)
NOTE:Finaltorquetolerance+/–10%ofthegiventorquespecication.
Torquesfor30°Flareand60°Conehoseconnectors
Nominalsize
BSPPThreadsize
Hex
Swivelnuttorque
5,6,6.3
G1/4
17.0mm(0.7in)25N·m(18.4lbft)
8,9,10
G3/8
19.0mm(0.7in)34N·m(25.1lbft)
12,12.54
G1/2
22.0mm(0.9in)64N·m(47.2lbft)
15,16,19
G3/4
30.0mm(1.2in)132N·m(97.4lbft)
25
G1
36.0mm(1.4in)196N·m(144.6lbft)
31.5,32
G1-1/4
46.0mm(1.8in)225N·m(166.0lbft)
38
G1-1/2
50.0mm(2.0in)255N·m(188.1lbft)
50,51
G2
65.0mm(2.6in)316N·m(233.1lbft)
NOTE:Finaltorquetolerance+/–10%ofthegiventorquespecication.
4804856726/04/2017
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