Filter
Top Products
Parallel Compressor Systems Installation & Operations Manual, October 2004 11
Parallel Compressor Systems
Line Size
OD (in.)
Refrigerant
Liquid
Line
Hot Gas
Line
Suction Line at Suction Temperature
-40°F -20°F 0°F 20°F 40°F
3/8
12, 134A
22
R-507, 502, 404A
4.0
3.9
3.4
.15
.22
.31
.01
.02
.03
.01
.03
.04
.02
.04
.06
.04
.06
.09
.06
.08
.13
1/2
12, 134A
22
R-507, 502, 404A
7.4
7.4
6.4
.30
.41
.58
.01
.03
.04
.03
.05
.07
.04
.07
.13
.07
.11
.16
.11
.15
.24
5/8
12, 134A
22
R-507, 502, 404A
11.9
11.8
10.3
.47
.65
.93
.02
.05
.07
.05
.08
.11
.07
.12
.17
.12
.17
.25
.17
.25
.35
7/8
12, 134A
22
R-507, 502, 404A
24.7
24.4
21.2
.99
1.35
1.92
.05
.10
.15
.10
.16
.23
.15
.24
.37
.24
.36
.51
.36
.51
.72
1-1/8
12, 134A
22
R-507, 502, 404A
42.2
41.6
36.1
1.70
2.30
3.27
.08
.17
.26
.17
.28
.39
.26
.42
.63
.41
.61
.86
.60
.87
1.24
1-3/8
12, 134A
22
R-507, 502, 404A
64.2
63.5
55.0
2.57
3.50
4.98
.14
.27
.40
.26
.42
.58
.40
.64
.95
.61
.93
1.32
1.91
1.33
1.87
1-5/8
12, 134A
22
R-507, 502, 404A
90.9
90.0
78.0
3.65
4.96
7.07
.20
.37
.56
.37
.59
.82
.57
.90
1.35
.87
1.33
1.86
1.30
1.88
2.64
2-1/8
12, 134A
22
R-507, 502, 404A
158
156
134
6.34
8.61
12.25
.34
.65
.98
.64
1.03
1.43
.98
1.57
2.35
1.51
2.30
3.23
2.24
3.26
4.58
2-5/8
12, 134A
22
R-507, 502, 404A
244
241
209
9.78
13.70
18.92
.52
1.01
1.51
.99
1.59
2.21
1.51
2.42
3.62
2.32
3.54
5.00
3.47
5.03
7.07
3-1/8
12, 134A
22
R-507, 502, 404A
348
344
298
13.97
18.95
27.05
.75
1.44
2.16
1.41
2.28
3.15
2.16
3.45
5.17
3.31
5.05
7.14
4.96
7.18
9.95
3-5/8
12, 134A
22
R-507, 502, 404A
471
465
403
18.90
25.60
36.50
.99
1.94
2.92
1.91
3.08
4.25
2.92
4.67
6.97
4.48
6.83
19.65
6.69
9.74
13.67
4-1/8
12, 134A
22
R-507, 502, 404A
612
605
526
24.56
33.40
47.57
1.29
2.53
3.80
2.49
4.01
5.55
3.81
6.08
9.09
5.84
8.90
12.58
8.75
12.70
17.80
Table 4. Weight of Refrigerants in Copper Lines During Operation
(Pounds per 100 Lineal Feet of Type “L” Tubing)