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