Refrigerant Line Capacities for R22
Refrigerant Line Capacities for R22
Tons for 100 ft. - Type L. Copper, Suction Lines, Δt = 2°F
Saturated Suction Temp. °F/Δp |
Discharge Lines Δt 1°F |
Liquid Lines |
|||||
Size |
-40 |
-20 |
0 |
20 |
40 |
0 |
Δ t 1°F |
---|---|---|---|---|---|---|---|
O.D. |
0.79 |
1.15 |
1.6 |
2.2 |
2.9 |
||
1/2 |
- |
- |
- |
0.40 |
0.6 |
0.8 |
3.6 |
5/8 |
- |
0.32 |
0.51 |
0.76 |
1.1 |
1.5 |
6.7 |
7/8 |
0.52 |
0.86 |
1.3 |
2.0 |
2.9 |
4.0 |
18.2 |
1-1/8 |
1.1 |
1.7 |
2.7 |
4.0 |
5.8 |
8.0 |
37.0 |
1-3/8 |
1.9 |
3.1 |
4.7 |
7.0 |
10.1 |
14.0 |
64.7 |
1-5/8 |
3.0 |
4.8 |
7.5 |
11.1 |
16.0 |
22.0 |
102 |
2-1/8 |
6.2 |
10.0 |
15.6 |
23.1 |
33.1 |
45.6 |
213 |
2-5/8 |
10.9 |
17.8 |
27.5 |
40.8 |
58.3 |
80.4 |
377 |
3-1/8 |
17.5 |
28.4 |
44.0 |
65.0 |
92.9 |
128 |
602 |
3-5/8 |
26.0 |
42.3 |
65.4 |
96.6 |
138 |
190 |
896 |
4-1/8 |
36.8 |
59.6 |
92.2 |
136 |
194 |
268 |
1263 |
5-1/8 |
60.0 |
107 |
164 |
244 |
347 |
478 |
- |
- Adapted from ASHRAE HVAC Refrigeration Handbook
- Tables are based on 105°F condensing temperature. Note that refrigerant temperature has minimal effect on discharge line size. Steel pipe has approximate same capacity as Type L. copper 1/8” larger