Refrigerant 503 (Azeotrope of R-23 and R-13) properties of saturated liquid and saturated vapor
From ASHRAE (1997), with permission
Values shown in red
are at the boiling point
Values shown in bold are at the
critical point
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-190 |
1.069 |
97.81 |
30.827 |
-38.625 |
47.727 |
-0.11247 |
0.20774 |
|
|
|
|
|
|
|
|
|
|
-180 |
1.768 |
97.04 |
19.265 |
-36.283 |
48.778 |
-0.10395 |
0.20020 |
0.1241 |
|
|
|
|
|
|
0.0724 |
|
|
-170 |
2.809 |
96.23 |
12.506 |
-33.900 |
49.821 |
-0.09559 |
0.19344 |
0.1341 |
|
|
|
|
|
|
0.0705 |
|
|
-160 |
4.307 |
95.37 |
8.3963 |
-31.475 |
50.851 |
-0.08737 |
0.18736 |
0.1435 |
0.1203 |
|
|
|
|
|
0.0686 |
|
|
-150 |
6.396 |
94.46 |
5.8079 |
-29.011 |
51.864 |
-0.07929 |
0.18187 |
0.1524 |
0.1225 |
|
|
|
|
|
0.0668 |
|
|
-140 |
9.227 |
93.49 |
4.1253 |
-26.510 |
52.854 |
-0.07136 |
0.17691 |
0.1611 |
0.1247 |
|
|
|
0.871 |
|
0.0649 |
|
|
-138 |
9.897 |
93.29 |
3.8638 |
-26.006 |
53.050 |
-0.06979 |
0.17597 |
0.1628 |
0.1251 |
|
|
|
0.857 |
|
0.0645 |
|
|
-136 |
10.605 |
93.09 |
3.6222 |
-25.500 |
53.244 |
-0.06823 |
0.17505 |
0.1645 |
0.1256 |
|
|
|
0.842 |
|
0.0642 |
|
|
-134 |
11.353 |
92.88 |
3.3987 |
-24.993 |
53.437 |
-0.06667 |
0.17415 |
0.1662 |
0.1260 |
|
|
|
0.828 |
|
0.0638 |
|
|
-132 |
12.141 |
92.68 |
3.1918 |
-24.484 |
53.629 |
-0.06512 |
0.17327 |
0.1679 |
0.1265 |
|
|
|
0.814 |
|
0.0634 |
|
|
-130 |
12.972 |
92.47 |
3.0001 |
-23.975 |
53.819 |
-0.06358 |
0.17240 |
0.1697 |
0.1269 |
|
|
|
0.801 |
|
0.0630 |
|
|
-128 |
13.847 |
92.26 |
2.8223 |
-23.464 |
54.009 |
-0.06204 |
0.17155 |
0.1714 |
0.1274 |
|
|
|
0.787 |
|
0.0627 |
|
|
-126.15 |
14.696 |
92.06 |
2.6693 |
-22.991 |
54.183 |
-0.06062 |
0.17077 |
0.1730 |
0.1278 |
|
|
|
0.775 |
|
0.0623 |
|
|
-126 |
14.767 |
92.04 |
2.6572 |
-22.952 |
54.197 |
-0.06050 |
0.17071 |
0.1731 |
0.1279 |
|
|
|
0.774 |
|
0.0623 |
|
|
-124 |
15.735 |
91.83 |
2.5037 |
-22.439 |
54.385 |
-0.05897 |
0.16989 |
0.1748 |
0.1284 |
|
|
|
0.761 |
|
0.0619 |
|
|
-122 |
16.751 |
91.61 |
2.3610 |
-21.924 |
54.570 |
-0.05745 |
0.16908 |
0.1765 |
0.1289 |
|
|
|
0.749 |
|
0.0615 |
|
|
-120 |
17.818 |
91.39 |
2.2281 |
-21.409 |
54.755 |
-0.05594 |
0.16829 |
0.1783 |
0.1293 |
|
|
|
0.737 |
|
0.0612 |
|
|
-118 |
18.936 |
91.17 |
2.1042 |
-20.892 |
54.938 |
-0.05443 |
0.16751 |
0.1800 |
0.1298 |
|
|
|
0.724 |
|
0.0608 |
|
|
-116 |
20.109 |
90.94 |
1.9887 |
-20.375 |
55.120 |
-0.05292 |
0.16675 |
0.1818 |
0.1303 |
|
|
|
0.713 |
|
0.0604 |
|
|
-114 |
21.336 |
90.71 |
1.8809 |
-19.856 |
55.301 |
-0.05143 |
0.16600 |
0.1836 |
0.1309 |
|
|
|
0.701 |
|
0.0601 |
|
|
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-112 |
22.621 |
90.48 |
1.7801 |
-19.336 |
55.480 |
-0.04993 |
0.16526 |
0.1854 |
0.1314 |
|
|
|
0.689 |
|
0.0597 |
|
|
-110 |
23.965 |
90.25 |
1.6859 |
-18.815 |
55.658 |
-0.04845 |
0.16453 |
0.1872 |
0.1319 |
|
|
|
0.678 |
|
0.0593 |
|
|
-108 |
25.369 |
90.01 |
1.5977 |
-18.293 |
55.834 |
-0.04697 |
0.16382 |
0.1890 |
0.1325 |
|
|
|
0.667 |
|
0.0590 |
|
|
-106 |
26.835 |
89.78 |
1.5152 |
-17.771 |
56.009 |
-0.04550 |
0.16312 |
0.1909 |
0.1330 |
|
|
|
0.657 |
|
0.0586 |
|
|
-104 |
28.365 |
89.53 |
1.4378 |
-17.247 |
56.183 |
-0.04403 |
0.16243 |
0.1927 |
0.1336 |
|
|
|
0.646 |
|
0.0582 |
|
|
-102 |
29.962 |
89.29 |
1.3652 |
-16.722 |
56.354 |
-0.04256 |
0.16175 |
0.1946 |
0.1341 |
|
|
|
0.636 |
|
0.0578 |
|
|
-100 |
31.626 |
89.05 |
1.2971 |
-16.197 |
56.525 |
-0.04111 |
0.16108 |
0.1966 |
0.1347 |
|
|
|
0.626 |
|
0.0575 |
|
|
-98 |
33.359 |
88.80 |
1.2331 |
-15.670 |
56.694 |
-0.03966 |
0.16042 |
0.1985 |
0.1353 |
|
|
|
0.616 |
|
0.0571 |
|
|
-96 |
35.164 |
88.55 |
1.1729 |
-15.143 |
56.861 |
-0.03822 |
0.15978 |
0.2005 |
0.1359 |
|
|
|
0.606 |
|
0.0567 |
|
|
-94 |
37.041 |
88.29 |
1.1163 |
-14.614 |
57.026 |
-0.03678 |
0.15914 |
0.2024 |
0.1365 |
|
|
|
0.596 |
|
0.0564 |
|
|
-92 |
38.994 |
88.03 |
1.0630 |
-14.085 |
57.190 |
-0.03535 |
0.15851 |
0.2045 |
0.1371 |
|
|
|
0.587 |
|
0.0560 |
|
|
-90 |
41.024 |
87.78 |
1.0128 |
-13.555 |
57.352 |
-0.03392 |
0.15789 |
0.2065 |
0.1378 |
|
|
|
0.578 |
|
0.0556 |
|
|
-88 |
43.133 |
87.51 |
0.9654 |
-13.024 |
57.513 |
-0.03250 |
0.15728 |
0.2086 |
0.1384 |
|
|
|
0.569 |
|
0.0553 |
|
|
-86 |
45.322 |
87.25 |
0.9208 |
-12.493 |
57.671 |
-0.03109 |
0.15668 |
0.2107 |
0.1391 |
|
|
|
0.560 |
|
0.0549 |
|
|
-84 |
47.594 |
86.98 |
0.8786 |
-11.960 |
57.828 |
-0.02968 |
0.15609 |
0.2129 |
0.1397 |
|
|
|
0.551 |
|
0.0545 |
|
|
-82 |
49.950 |
86.71 |
0.8388 |
-11.427 |
57.984 |
-0.02827 |
0.15551 |
0.2151 |
0.1404 |
|
|
|
0.543 |
|
0.0542 |
|
|
-80 |
52.393 |
86.43 |
0.8012 |
-10.892 |
58.137 |
-0.02688 |
0.15494 |
0.2173 |
0.1411 |
|
|
|
0.535 |
|
0.0538 |
|
|
-78 |
54.925 |
86.16 |
0.7656 |
-10.357 |
58.288 |
-0.02549 |
0.15437 |
0.2196 |
0.1419 |
|
|
|
0.526 |
|
0.0534 |
|
|
-76 |
57.546 |
85.87 |
0.7320 |
-9.821 |
58.438 |
-0.02410 |
0.15381 |
0.2219 |
0.1426 |
|
|
|
0.518 |
|
0.0531 |
|
11.24 |
-74 |
60.261 |
85.59 |
0.7001 |
-9.284 |
58.585 |
-0.02272 |
0.15326 |
0.2242 |
0.1433 |
|
|
|
0.511 |
|
0.0527 |
|
11.04 |
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-72 |
63.069 |
85.30 |
0.6699 |
-8.747 |
58.731 |
-0.02134 |
0.15271 |
0.2266 |
0.1441 |
|
|
|
0.503 |
|
0.0523 |
|
10.84 |
-70 |
65.974 |
85.01 |
0.6412 |
-8.208 |
58.874 |
-0.01997 |
0.15218 |
0.2291 |
0.1449 |
|
|
|
0.495 |
|
0.0519 |
|
10.63 |
-65 |
73.672 |
84.28 |
0.5759 |
-6.857 |
59.224 |
-0.01657 |
0.15086 |
0.2354 |
0.1469 |
|
|
|
0.477 |
|
0.0510 |
|
10.13 |
-60 |
82.017 |
83.51 |
0.5184 |
-5.500 |
59.560 |
-0.01320 |
0.14958 |
0.2420 |
0.1490 |
|
|
|
0.460 |
|
0.0501 |
|
9.64 |
-55 |
91.041 |
82.73 |
0.4677 |
-4.138 |
59.882 |
-0.00987 |
0.14834 |
0.2489 |
0.1513 |
|
|
|
0.443 |
|
0.0492 |
|
9.15 |
-50 |
100.78 |
81.93 |
0.4228 |
-2.766 |
60.188 |
-0.00655 |
0.14712 |
0.2562 |
0.1536 |
|
|
|
0.428 |
|
0.0483 |
|
8.67 |
-45 |
111.26 |
81.10 |
0.3830 |
-1.387 |
60.478 |
-0.00326 |
0.14593 |
0.2639 |
0.1561 |
|
|
|
0.413 |
|
0.0473 |
|
8.19 |
-40 |
122.53 |
80.24 |
0.3475 |
0.000 |
60.751 |
0.00000 |
0.14476 |
0.2720 |
0.1588 |
|
|
|
0.398 |
|
0.0464 |
|
7.72 |
-35 |
134.61 |
79.36 |
0.3158 |
1.398 |
61.005 |
0.00325 |
0.14361 |
0.2805 |
0.1615 |
|
|
|
0.385 |
|
0.0455 |
|
7.25 |
-30 |
147.54 |
78.45 |
0.2873 |
2.808 |
61.238 |
0.00647 |
0.14246 |
0.2895 |
0.1644 |
|
|
|
0.372 |
|
0.0445 |
|
6.80 |
-25 |
161.36 |
77.52 |
0.2618 |
4.231 |
61.450 |
0.00969 |
0.14133 |
0.2989 |
0.1675 |
|
|
|
0.360 |
|
0.0436 |
|
6.35 |
-20 |
176.11 |
76.55 |
0.2388 |
5.670 |
61.638 |
0.01290 |
0.14020 |
0.3088 |
0.1707 |
|
|
|
0.348 |
|
0.0427 |
|
5.90 |
-15 |
191.83 |
75.55 |
0.2180 |
7.126 |
61.799 |
0.01611 |
0.13906 |
0.3192 |
0.1741 |
|
|
|
0.336 |
|
0.0417 |
|
5.47 |
-10 |
208.55 |
74.51 |
0.1992 |
8.601 |
61.932 |
0.01931 |
0.13791 |
0.3302 |
0.1776 |
|
|
|
0.326 |
|
0.0408 |
|
5.04 |
-5 |
226.32 |
73.43 |
0.1820 |
10.101 |
62.032 |
0.02253 |
0.13674 |
0.3417 |
0.1814 |
|
|
|
0.315 |
|
0.0399 |
|
|
0 |
245.19 |
72.31 |
0.1664 |
11.626 |
62.097 |
0.02576 |
0.13555 |
|
|
|
|
|
|
|
|
|
|
5 |
265.19 |
71.15 |
0.1522 |
13.183 |
62.121 |
0.02901 |
0.13433 |
|
|
|
|
|
|
|
|
|
|
10 |
286.37 |
69.94 |
0.1391 |
14.776 |
62.100 |
0.03230 |
0.13306 |
|
|
|
|
|
|
|
|
|
|
15 |
308.79 |
68.67 |
0.1271 |
16.411 |
62.026 |
0.03563 |
0.13173 |
|
|
|
|
|
|
|
|
|
|
20 |
332.49 |
67.33 |
0.1161 |
18.095 |
61.892 |
0.03902 |
0.13032 |
|
|
|
|
|
|
|
|
|
|
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
25 |
357.53 |
65.92 |
0.1058 |
19.838 |
61.687 |
0.04248 |
0.12882 |
|
|
|
|
|
|
|
|
|
|
30 |
383.97 |
64.43 |
0.0963 |
21.649 |
61.398 |
0.04603 |
0.12720 |
|
|
|
|
|
|
|
|
|
|
35 |
411.85 |
62.83 |
0.0873 |
23.544 |
61.006 |
0.04970 |
0.12543 |
|
|
|
|
|
|
|
|
|
|
40 |
441.25 |
61.10 |
0.0789 |
25.543 |
60.487 |
0.05352 |
0.12345 |
|
|
|
|
|
|
|
|
|
|
45 |
472.23 |
59.20 |
0.0710 |
27.673 |
59.804 |
0.05754 |
0.12120 |
|
|
|
|
|
|
|
|
|
|
50 |
504.86 |
57.05 |
0.0633 |
29.977 |
58.900 |
0.06182 |
0.11857 |
|
|
|
|
|
|
|
|
|
|
55 |
539.21 |
54.55 |
0.0558 |
32.533 |
57.678 |
0.06651 |
0.11537 |
|
|
|
|
|
|
|
|
|
|
60 |
575.35 |
51.35 |
0.0481 |
35.513 |
55.945 |
0.07188 |
0.11120 |
|
|
|
|
|
|
|
|
|
|
65 |
613.38 |
46.08 |
0.0397 |
39.596 |
53.255 |
0.07909 |
0.10513 |
|
|
|
|
|
|
|
|
|
|
67.0 |
631.9 |
35.21 |
0.0284 |
47.41 |
47.41 |
0.0924 |
0.0924 |
inf. | inf. | inf. | 0 |
0 |
|
|
inf. | inf. | 0 |