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