LG LV240HV4 - Page 30

30 | INTRODUCTION
Single Zone Vertical Air Handling Unit Installation Manual
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Pipe
Length
1
Fluid Temperature °F
35° 40° 45° 50° 55° 60° 65° 70° 75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° 130°
10 0.04 0.04 0.05 0.06 0.06 0.07 0.08 0.08 0.09 0.09 0.10 0.10 0.11 0.11 0.11 0.12 0.13 0.14 0.15 0.15
20 0.08 0.08 0.10 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.22 0.22 0.23 0.26 0.28 0.29 0.30
30 0.12 0.12 0.15 0.18 0.20 0.21 0.23 0.24 0.26 0.27 0.29 0.30 0.32 0.33 0.32 0.35 0.39 0.42 0.44 0.45
40 0.16 0.16 0.20 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44 0.43 0.46 0.52 0.56 0.58 0.60
50 0.20 0.20 0.25 0.30 0.33 0.35 0.38 0.40 0.43 0.45 0.48 0.50 0.53 0.55 0.54 0.58 0.65 0.70 0.73 0.75
60 0.24 0.24 0.30 0.36 0.39 0.42 0.45 0.48 0.51 0.54 0.57 0.60 0.63 0.66 0.65 0.69 0.78 0.84 0.87 0.90
70 0.28 0.28 0.35 0.42 0.46 0.49 0.53 0.56 0.60 0.63 0.67 0.70 0.74 0.77 0.76 0.81 0.91 0.98 1.02 1.05
80 0.32 0.32 0.40 0.48 0.52 0.56 0.60 0.64 0.68 0.72 0.76 0.80 0.84 0.88 0.86 0.92 1.04 1.12 1.16 1.20
90 0.36 0.36 0.45 0.54 0.59 0.63 0.68 0.72 0.77 0.81 0.86 0.90 0.95 0.99 0.97 1.04 1.17 1.26 1.31 1.35
100 0.40 0.40 0.50 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.08 1.15 1.30 1.40 1.45 1.50
120 0.48 0.48 0.60 0.72 0.78 0.84 0.90 0.96 1.02 1.08 1.14 1.20 1.26 1.32 1.30 1.38 1.56 1.68 1.74 1.80
140 0.56 0.56 0.70 0.84 0.91 0.98 1.05 1.12 1.19 1.26 1.33 1.40 1.47 1.54 1.51 1.61 1.82 1.96 2.03 2.10
160 0.64 0.64 0.80 0.96 1.04 1.12 1.20 1.28 1.36 1.44 1.52 1.60 1.68 1.76 1.73 1.84 2.08 2.24 2.32 2.40
180 0.72 0.72 0.90 1.08 1.17 1.26 1.35 1.44 1.53 1.62 1.71 1.80 1.89 1.98 1.94 2.07 2.34 2.52 2.61 2.70
Table 10: Linear Thermal Expansion of Copper Tubing in Inches.
1
Pipe length baseline temperature = 0°F. "Expansion of Carbon, Copper and Stainless Steel Pipe," The Engineers' Toolbox, www.engineeringtoolbox.com.
COPPER EXPANSION AND CONTRACTION
Anticipated Linear
Expansion (LE) (inches)
Nominal Tube Size (OD) inches
1/4 3/8 1/2 3/4
1/2
R
1
6 7 8 9
L
2
38 44 50 59
1
R
1
9 10 11 13
L
2
54 63 70 83
1-1/2
R
1
11 12 14 16
L
2
66 77 86 101
2
R
1
12 14 16 19
L
2
77 89 99 117
2-1/2
R
1
14 16 18 21
L
2
86 99 111 131
3
R
1
15 17 19 23
L
2
94 109 122 143
3-1/2
R
1
16 19 21 25
L
2
102 117 131 155
4
R
1
17 20 22 26
L
2
109 126 140 166
Table 11: Radii of Coiled Expansion Loops and Developed Lengths of Expansion Offsets.
Figure 33: Coiled Expansion Loops and Offsets (Plan View).
Large Tubing U-bend (>3/4 in.) Loop Small Tubing U-bend (<3/4 in.)
R
L
R
L
L
1
R = Centerline Length of Pipe.
2
L = Centerline Minimum Radius (inches).
All expansion loops and offsets must be installed in the horizontal plane to prevent the possibility of trapping oil. Loops and offsets in vertical risers
must also be installed in a horizontal plane.