Table 6. Weight of Refrigerants in Copper Lines During Operation
(Pounds per 100 lineal feet of type "L" tubing).
Line Size
O.D.
in Inches
Refrigerant
134a
3/8
R507, 404A
134a
1/2
R507, 404A
134a
5/8
R507, 404A
134a
7/8
R507, 404A
134a
1 1/8
R507, 404A
134a
1 3/8
R507, 404A
134a
1 5/8
R507, 404A
134a
2 1/8
R507, 404A
134a
2 5/8
R507, 404A
134a
3 1/8
R507, 404A
134a
3 5/8
R507, 404A
134a
4 1/8
R507, 404A
10
Liquid
Line
4.0
22
3.9
3.4
7.4
22
7.4
6.4
11.9
22
11.8
10.3
24.7
22
24.4
21.2
42.2
22
41.6
36.1
64.2
22
63.5
55.0
90.9
22
90.0
78.0
158
22
156
134
244
22
241
209
348
22
344
298
471
22
465
403
612
22
605
526
Suction Line at Suction Temperature
Hot Gas
Line
-40˚F
-20˚F
.15
.01
.22
.02
.31
.03
.30
.01
.41
.03
.58
.04
.47
.02
.65
.05
.93
.07
.99
.05
1.35
.10
1.92
.15
1.70
.08
2.30
.17
3.27
.26
2.57
.14
3.50
.27
4.98
.40
3.65
.20
4.96
.37
7.07
.56
6.34
.34
8.61
.65
12.25
.98
9.78
.52
13.70
1.01
18.92
1.51
13.97
.75
18.95
1.44
27.05
2.16
18.90
.99
25.60
1.94
36.50
2.92
24.56
1.29
33.40
2.53
47.57
3.80
0˚F
+20˚F
.01
.02
.04
.03
.04
.06
.04
.06
.09
.03
.04
.07
.05
.07
.11
.07
.13
.16
.05
.07
.12
.08
.12
.17
.11
.17
.25
.10
.15
.24
.16
.24
.36
.23
.37
.51
.17
.26
.41
.28
.42
.61
.39
.63
.86
.26
.40
.61
.42
.64
.93
.58
.95
1.32
.37
.57
.87
.59
.90
1.33
.82
1.35
1.86
.64
.98
1.51
1.03
1.57
2.30
1.43
2.35
3.23
.99
1.51
2.32
1.59
2.42
3.54
2.21
3.62
5.00
1.41
2.16
3.31
2.28
3.45
5.05
3.15
5.17
7.14
1.91
2.92
4.48
3.08
4.67
6.83
4.25
6.97
19.65
2.49
3.81
5.84
4.01
6.08
8.90
5.55
9.09
12.58
+40˚F
.06
.08
.13
.11
.15
.24
.17
.25
.35
.36
.51
.72
.60
.87
1.24
1.91
1.33
1.87
1.30
1.88
2.64
2.24
3.26
4.58
3.47
5.03
7.07
4.96
7.18
9.95
6.69
9.74
13.67
8.75
12.70
17.80