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30
Table 7 – Liquid Line Sizes for R410A
10 Ton Circuit (R410A)
15 Ton Circuit (R410A)
Total
Equivalent
Length (ft)
Liquid Line Size (Inch OD)
Total
Equivalent
Length (ft)
Liquid Line Size (Inch OD)
Horizontal
or
Downflow
Upflow
1 to 5 ft
Upflow
6 to 10 ft
Upflow
11 to 15 ft
Horizontal
or
Downflow
Upflow
1 to 5 ft
Upflow
6 to 10 ft
Upflow
11 to 15 ft
25
⅝
⅝
⅝
¾
25
⅞
⅞
⅞
⅞
50
⅝
⅝
¾
¾
50
⅞
⅞
⅞
⅞
75
⅝
⅝
¾
¾
75
⅞
⅞
⅞
⅞
100
⅝
¾
¾
¾
100
⅞
⅞
⅞
1⅛
125
¾
¾
¾
⅞
125
⅞
⅞
⅞
1⅛
150
¾
¾
¾
⅞
150
⅞
⅞
⅞
1⅛
175
¾
¾
¾
⅞
175
⅞
⅞
⅞
1⅛
200
¾
¾
¾
⅞
200
⅞
⅞
⅞
1⅛
225
¾
¾
¾
⅞
225
⅞
⅞
⅞
1⅜
250
¾
¾
¾
⅞
250
⅞
⅞
⅞
1⅜
275
¾
¾
¾
1⅛
275
⅞
⅞
⅞
1⅜
300
⅞
⅞
⅞
1⅛
300
⅞
⅞
⅞
1⅜
20 Ton Circuit (R410A)
25 Ton Circuit (R410A)
Total
Equivalent
Length (ft)
Liquid Line Size (Inch OD)
Total
Equivalent
Length (ft)
Liquid Line Size (Inch OD)
Horizontal
or
Downflow
Upflow
1 to 5 ft
Upflow
6 to 10 ft
Upflow
11 to 15 ft
Horizontal
or
Downflow
Upflow
1 to 5 ft
Upflow
6 to 10 ft
Upflow
11 to 15 ft
25
⅞
⅞
⅞
1⅛
25
1⅛
1⅛
1⅛
1⅛
50
⅞
⅞
⅞
1⅛
50
1⅛
1⅛
1⅛
1⅛
75
⅞
⅞
⅞
1⅛
75
1⅛
1⅛
1⅛
1⅛
100
⅞
⅞
1⅛
1⅛
100
1⅛
1⅛
1⅛
1⅜
125
⅞
⅞
1⅛
1⅛
125
1⅛
1⅛
1⅛
1⅜
150
⅞
1⅛
1⅛
1⅜
150
1⅛
1⅛
1⅛
1⅜
175
⅞
1⅛
1⅛
1⅜
175
1⅛
1⅛
1⅛
1⅜
200
1⅛
1⅛
1⅛
1⅜
200
1⅛
1⅛
1⅛
1⅜
225
1⅛
1⅛
1⅛
1⅜
225
1⅛
1⅛
1⅜
1⅜
250
1⅛
1⅛
1⅛
1⅜
250
1⅛
1⅛
1⅜
1⅜
275
1⅛
1⅛
1⅛
1⅜
275
1⅛
1⅛
1⅜
1⅜
300
1⅛
1⅛
1⅛
1⅜
300
1⅛
1⅛
1⅜
1⅜