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GP Series Portable Chillers Chapter 3: Installation 18 of 73
Figure 4 on page 21 for discharge line sizing.
Figure 2: Equivalent Length in Feet for Valves and Fittings
Line Size
OD (inches)
Angle
Valve
Short
Radius EL
Long
Radius EL
3/8 24 4 2.8
1/2 24 4.7 3.2
5/8 25 5.7 3.9
3/4 25 6.5 4.5
7/8 28 7.8 5.3
1-1/8 29 2.7 1.9
1-3/8 33 3.2 2.2
1-5/8 34 3.8 2.6
2-1/8 39 5.2 3.4
2-5/8 44 6.5 4.2
Figure 3: Liquid Line Sizing
5 TON CIRCUIT 7.5 TON CIRCUIT
Liquid Line Size (OD")
Liquid Line Size (OD")
Total Equiv.
Length (Ft)
Horizontal
or
Downflow
Upflow
1-5 Ft
Upflow
6-10 Ft
Upflow
11-15 Ft
Total Equiv.
Length (Ft)
Horizontal
or
Downflow
Upflow
1-5 Ft
Upflow
6-10 Ft
Upflow
11-15 Ft
25 1/2 1/2 1/2 1/2
25 5/8 5/8 5/8 5/8
50 1/2 1/2 1/2 1/2
50 5/8 5/8 5/8 5/8
75 1/2 1/2 1/2 1/2
75 5/8 5/8 5/8 5/8
100 1/2 1/2 1/2 5/8
100 5/8 5/8 5/8 5/8
125 1/2 1/2 1/2 5/8
125 5/8 5/8 5/8 5/8
150 1/2 1/2 5/8 5/8
150 5/8 5/8 5/8 5/8
175 1/2 5/8 5/8 5/8
175 5/8 5/8 5/8 3/4
200 1/2 5/8 5/8 5/8
200 5/8 5/8 5/8 3/4
225 1/2 5/8 5/8 5/8
225 5/8 5/8 5/8 3/4
250 5/8 5/8 5/8 5/8
250 5/8 5/8 3/4 3/4
275 5/8 5/8 5/8 5/8
275 5/8 5/8 3/4 3/4
300 5/8 5/8 5/8 5/8
300 5/8 5/8 3/4 3/4