4 | Introduction - LG LS091HSV3 Engineering Manual

Table 38: Linear Thermal Expansion of Copper Tubing in Inches.
Pipe
Length
1
35° 40° 45°
10 0.04 0.04 0.05
20 0.08 0.08 0.10
30 0.12 0.12 0.15
40 0.16 0.16 0.20
50
0.20 0.20 0.25
60 0.24 0.24 0.30
Pipe length baseline temperature = 0°F. "Expansion of Carbon, Copper and Stainless Steel Pipe," The Engineers' Toolbox, www.engineeringtoolbox.com.
1
Figure 30: Coiled Expansion Loops and Offsets.
L
R
Large Tubing U-bend (>3/4 in.)
Table 39: Radii of Coiled Expansion Loops and Developed Lengths of Expansion Offsets.
Anticipated Linear
Expansion (LE) (inches)
R
1
1/2
L
2
R
1
1
L
2
R
1
1-1/2
L
2
R
1
2
L
2
R
1
2-1/2
L
2
R
1
3
L
2
R
1
3-1/2
L
2
R
1
4
L
2
R = Centerline Length of Pipe.
1
L = Centerline Minimum Radius (inches).
2
50° 55° 60° 65° 70°
0.06 0.06 0.07 0.08 0.08
0.12 0.13 0.14 0.15 0.16
0.18 0.20 0.21 0.23 0.24
0.24 0.26 0.28 0.30 0.32
0.30 0.33 0.35 0.38 0.40
0.36 0.39 0.42 0.45 0.48
L
Nominal Tube Size (OD) inches
1/4 3/8
6 7
38 44
9 10
54 63
11 12
66 77
12 14
77 89
14 16
86 99
15 17
94 109
16 19
102 117
17 20
109 126
Due to our policy of continuous product innovation, some specifications may change without notification.
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REFRIGERANT PIPING DESIGN
Selecting Field-Supplied Copper Tubing
Fluid Temperature °F
75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° 130°
0.09 0.09 0.10 0.10 0.11
0.17 0.18 0.19 0.20 0.21
0.26 0.27 0.29 0.30 0.32
0.34 0.36 0.38 0.40 0.42
0.43 0.45 0.48 0.50 0.53
0.51 0.54 0.57 0.60 0.63
R
Loop
1/2 3/4
8 9
50 59
11 13
70 83
14 16
86 101
16 19
99 117
18 21
111 131
19 23
122 143
21 25
131 155
22 26
140 166
0.11 0.11 0.12 0.13 0.14
0.22 0.22 0.23 0.26 0.28
0.33 0.32 0.35 0.39 0.42
0.44 0.43 0.46 0.52 0.56
0.55 0.54 0.58 0.65 0.70
0.66 0.65 0.69 0.78 0.84
L
Small Tubing U-bend (<3/4 in.)
REFRIGERANT DESIGN | 65
0.15 0.15
0.29 0.30
0.44 0.45
0.58 0.60
0.73 0.75
0.87 0.90