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Pipe thickness
Shear stress
mm
inch
(kN)
12.7
1/2
3.5
19.05
3/4
12
25.4
1
1 1.2
31.8
1 1/4
14.5
38.1
1 1/2
16.5
50.8
2
21.5
Tensile stress
(kgf)
(kN)
(kgf)
350
2.5
250
1,200
2.5
250
1,120
4
400
1,450
6.5
650
1,700
9.5
950
2,200
13.5
1,400
Water pipe outlet
Water pipe
connection
Water pipe inlet
Refrigerant piping installation
Bending moment
(N . m)
(kgf . m)
(N . m)
20
2
35
20
2
115
45
4.5
155
87.5
8.75
265
155
16
350
255
26
600
Installation Manual 23
Torque
(kgf . m)
3.5
11.5
15.5
26.5
35.5
61
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