GENERAL
M6040, M7040Narrow, WSM
NG-14
[3] HYDRAULIC FITTINGS
(1) Hydraulic Hose Fittings
WSM000001GEG0097US0
(2) Hydraulic Pipe Cap Nuts
WSM000001GEG0098US0
(3) Adaptors, Elbows and Others
WSM000001GEG0099US0
Hose size Thread side
Tightening torque
N·m kgf·m lbf·ft
02 1/8 13.8 to 15.6 1.40 to 1.60 10.2 to 11.5
03
1/4 22.6 to 27.4 2.30 to 2.80 16.7 to 20.2
04
05
3/8 45.2 to 52.9 4.60 to 5.40 33.3 to 39.0
06
Pipe size
Tightening torque
N·m kgf·m lbf·ft
ϕ4 × t1.0 19.7 to 29.4 2.00 to 3.00 14.5 to 21.6
ϕ6 × t1.0 24.6 to 34.3 2.50 to 3.50 18.1 to 25.3
ϕ8 × t1.0 29.5 to 39.2 3.00 to 4.00 21.7 to 28.9
ϕ10 × t1.0 39.3 to 49.0 4.00 to 5.00 29.0 to 36.1
ϕ12 × t1.5 49.1 to 68.6 5.00 to 7.00 36.2 to 50.6
ϕ15 × t1.6 108 to 117 11.0 to 12.0 79.6 to 86.7
ϕ18 × t1.6 108 to 117 11.0 to 12.0 79.6 to 86.7
Item Thread side
Tightening torque
N·m kgf·m lbf·ft
POA-PF
(Nipple with O-ring)
PF 1/8 45 to 53 4.5 to 5.5 33 to 39
PF 1/4 74 to 83 7.5 to 8.5 55 to 61
PF 3/8 93.2 to 102 9.50 to 10.5 68.8 to 75.9
PF 1/2 113 to 122 11.5 to 12.5 83.2 to 90.4
POB-PF
(Elbow with O-ring
and no nut)
PF 1/8 23 to 26 2.3 to 2.7 17 to 19
PF 1/4 36 to 43 3.6 to 4.4 26 to 31
PF 3/8 54 to 63 5.5 to 6.5 40 to 47
PF 1/2 73 to 83 7.4 to 8.5 54 to 61
Adaptor
(NPT)
PF 1/8 9.8 to 14 1.0 to 1.5 7.3 to 10
PF 1/4 30 to 34 3.0 to 3.5 22 to 25
PF 3/8 49 to 68 5.0 to 7.0 37 to 50
PF 1/2 69 to 88 7.0 to 9.0 51 to 65
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