Refrigerant 502 (Azeotrope of R-22 and R-115) 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 |
|||
-70 |
8.434 |
94.70 |
4.3241 |
-6.564 |
69.570 |
-0.01617 |
0.17921 |
0.2506 |
0.1387 |
|
|
|
1.081 |
|
0.0558 |
|
16.89 |
-65 |
9.731 |
94.16 |
3.7849 |
-5.511 |
70.174 |
-0.01349 |
0.17828 |
0.2518 |
0.1399 |
|
|
|
1.040 |
|
0.0552 |
|
16.46 |
-60 |
11.182 |
93.61 |
3.3248 |
-4.441 |
70.777 |
-0.01080 |
0.17740 |
0.2532 |
0.1410 |
|
|
|
1.002 |
|
0.0545 |
|
16.03 |
-55 |
12.802 |
93.07 |
2.9306 |
-3.355 |
71.377 |
-0.00811 |
0.17656 |
0.2545 |
0.1422 |
|
|
|
0.965 |
|
0.0539 |
|
15.61 |
-50 |
14.602 |
92.51 |
2.5915 |
-2.252 |
71.975 |
-0.00541 |
0.17578 |
0.2559 |
0.1433 |
|
|
|
0.930 |
|
0.0533 |
|
15.19 |
-49.75 |
14.696 |
92.49 |
2.5761 |
-2.198 |
72.004 |
-0.00528 |
0.17574 |
0.2559 |
0.1433 |
|
|
|
0.929 |
|
0.0533 |
|
15.16 |
-48 |
15.376 |
92.29 |
2.4693 |
-1.807 |
72.213 |
-0.00433 |
0.17547 |
0.2564 |
0.1437 |
|
|
|
0.917 |
|
0.0530 |
|
15.02 |
-46 |
16.183 |
92.07 |
2.3541 |
-1.359 |
72.451 |
-0.00325 |
0.17518 |
0.2570 |
0.1442 |
|
|
|
0.904 |
|
0.0528 |
|
14.85 |
-44 |
17.022 |
91.84 |
2.2452 |
-0.909 |
72.689 |
-0.00217 |
0.17489 |
0.2575 |
0.1446 |
|
|
|
0.891 |
|
0.0525 |
|
14.68 |
-42 |
17.895 |
91.62 |
2.1425 |
-0.456 |
72.925 |
-0.00108 |
0.17461 |
0.2581 |
0.1451 |
|
|
|
0.879 |
|
0.0523 |
|
14.51 |
-40 |
18.802 |
91.39 |
2.0453 |
0.000 |
73.162 |
0.00000 |
0.17433 |
0.2587 |
0.1456 |
|
|
|
0.866 |
|
0.0520 |
0.00411 |
14.35 |
-38 |
19.746 |
91.17 |
1.9535 |
0.458 |
73.398 |
0.00109 |
0.17406 |
0.2592 |
0.1460 |
|
|
|
0.854 |
|
0.0518 |
0.00415 |
14.18 |
-36 |
20.726 |
90.94 |
1.8666 |
0.919 |
73.633 |
0.00217 |
0.17380 |
0.2598 |
0.1465 |
|
|
|
0.843 |
|
0.0516 |
0.00420 |
14.01 |
-34 |
21.744 |
90.71 |
1.7844 |
1.382 |
73.867 |
0.00326 |
0.17354 |
0.2604 |
0.1470 |
|
|
|
0.831 |
|
0.0513 |
0.00424 |
13.85 |
-32 |
22.801 |
90.48 |
1.7066 |
1.848 |
74.101 |
0.00434 |
0.17329 |
0.2610 |
0.1474 |
|
|
|
0.820 |
|
0.0511 |
0.00429 |
13.68 |
-30 |
23.897 |
90.25 |
1.6328 |
2.317 |
74.335 |
0.00543 |
0.17304 |
0.2616 |
0.1479 |
|
|
|
0.809 |
|
0.0508 |
0.00433 |
13.52 |
-28 |
25.034 |
90.02 |
1.5629 |
2.787 |
74.567 |
0.00652 |
0.17280 |
0.2622 |
0.1484 |
|
|
|
0.798 |
|
0.0506 |
0.00438 |
13.35 |
-26 |
26.212 |
89.79 |
1.4966 |
3.261 |
74.799 |
0.00761 |
0.17257 |
0.2627 |
0.1489 |
|
|
|
0.787 |
|
0.0503 |
0.00442 |
13.19 |
-24 |
27.433 |
89.56 |
1.4336 |
3.737 |
75.031 |
0.00870 |
0.17234 |
0.2633 |
0.1494 |
|
|
|
0.777 |
|
0.0501 |
0.00447 |
13.03 |
-22 |
28.697 |
89.32 |
1.3739 |
4.215 |
75.261 |
0.00979 |
0.17211 |
0.2639 |
0.1499 |
|
|
|
0.767 |
|
0.0498 |
0.00451 |
12.86 |
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 |
|||
-20 |
30.006 |
89.09 |
1.3172 |
4.696 |
75.491 |
0.01088 |
0.17189 |
0.2646 |
0.1504 |
|
|
|
0.757 |
|
0.0496 |
0.00455 |
12.70 |
-18 |
31.361 |
88.85 |
1.2633 |
5.179 |
75.720 |
0.01197 |
0.17168 |
0.2652 |
0.1510 |
|
|
|
0.747 |
|
0.0494 |
0.00460 |
12.54 |
-16 |
32.762 |
88.62 |
1.2120 |
5.665 |
75.948 |
0.01306 |
0.17147 |
0.2658 |
0.1515 |
|
|
|
0.737 |
|
0.0491 |
0.00464 |
12.38 |
-14 |
34.211 |
88.38 |
1.1633 |
6.154 |
76.175 |
0.01415 |
0.17126 |
0.2664 |
0.1521 |
|
|
|
0.728 |
|
0.0489 |
0.00468 |
12.22 |
-12 |
35.709 |
88.14 |
1.1169 |
6.644 |
76.402 |
0.01524 |
0.17106 |
0.2670 |
0.1526 |
|
|
|
0.719 |
|
0.0486 |
0.00473 |
12.05 |
-10 |
37.256 |
87.90 |
1.0727 |
7.138 |
76.627 |
0.01633 |
0.17087 |
0.2676 |
0.1532 |
|
|
|
0.710 |
|
0.0484 |
0.00477 |
11.89 |
-8 |
38.854 |
87.66 |
1.0307 |
7.633 |
76.852 |
0.01742 |
0.17067 |
0.2683 |
0.1538 |
|
|
|
0.701 |
|
0.0481 |
0.00481 |
11.73 |
-6 |
40.504 |
87.42 |
0.9907 |
8.131 |
77.075 |
0.01852 |
0.17049 |
0.2689 |
0.1544 |
|
|
|
0.692 |
|
0.0479 |
0.00485 |
11.58 |
-4 |
42.207 |
87.17 |
0.9525 |
8.632 |
77.298 |
0.01961 |
0.17030 |
0.2695 |
0.1550 |
|
|
|
0.684 |
|
0.0476 |
0.00490 |
11.42 |
-2 |
43.964 |
86.93 |
0.9161 |
9.135 |
77.520 |
0.02070 |
0.17012 |
0.2702 |
0.1557 |
|
|
|
0.675 |
|
0.0474 |
0.00494 |
11.26 |
0 |
45.776 |
86.68 |
0.8813 |
9.640 |
77.741 |
0.02180 |
0.16995 |
0.2708 |
0.1563 |
|
|
|
0.667 |
|
0.0472 |
0.00498 |
11.10 |
2 |
47.644 |
86.44 |
0.8482 |
10.147 |
77.960 |
0.02289 |
0.16978 |
0.2715 |
0.1570 |
|
|
|
0.659 |
|
0.0469 |
0.00502 |
10.94 |
4 |
49.569 |
86.19 |
0.8166 |
10.657 |
78.179 |
0.02398 |
0.16961 |
0.2721 |
0.1577 |
|
|
|
0.651 |
|
0.0467 |
0.00507 |
10.79 |
6 |
51.552 |
85.94 |
0.7864 |
11.169 |
78.397 |
0.02508 |
0.16944 |
0.2728 |
0.1584 |
|
|
|
0.643 |
|
0.0464 |
0.00511 |
10.63 |
8 |
53.594 |
85.69 |
0.7575 |
11.684 |
78.613 |
0.02617 |
0.16928 |
0.2734 |
0.1591 |
|
|
|
0.636 |
|
0.0462 |
0.00515 |
10.47 |
10 |
55.697 |
85.43 |
0.7299 |
12.200 |
78.828 |
0.02726 |
0.16912 |
0.2741 |
0.1598 |
|
|
|
0.628 |
|
0.0459 |
0.00519 |
10.32 |
15 |
61.226 |
84.80 |
0.6661 |
13.502 |
79.362 |
0.02999 |
0.16874 |
0.2758 |
0.1618 |
|
|
|
0.610 |
|
0.0453 |
0.00530 |
9.93 |
20 |
67.155 |
84.15 |
0.6088 |
14.818 |
79.887 |
0.03272 |
0.16838 |
0.2775 |
0.1638 |
|
|
|
0.593 |
|
0.0447 |
0.00541 |
9.55 |
25 |
73.503 |
83.50 |
0.5575 |
16.147 |
80.405 |
0.03545 |
0.16803 |
0.2792 |
0.1660 |
|
|
|
0.576 |
|
0.0441 |
0.00552 |
9.17 |
30 |
80.287 |
82.83 |
0.5112 |
17.490 |
80.913 |
0.03818 |
0.16770 |
0.2809 |
0.1684 |
|
|
|
0.561 |
|
0.0435 |
0.00562 |
8.79 |
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 |
|||
35 |
87.523 |
82.16 |
0.4695 |
18.846 |
81.413 |
0.04090 |
0.16738 |
0.2827 |
0.1709 |
|
|
|
0.545 |
0.0285 |
0.0429 |
0.00573 |
8.42 |
40 |
95.229 |
81.47 |
0.4318 |
20.216 |
81.903 |
0.04362 |
0.16707 |
0.2845 |
0.1735 |
|
|
|
0.531 |
0.0288 |
0.0423 |
0.00584 |
8.05 |
45 |
103.42 |
80.77 |
0.3976 |
21.597 |
82.383 |
0.04633 |
0.16678 |
0.2863 |
0.1764 |
|
|
|
0.517 |
0.0292 |
0.0417 |
0.00595 |
7.68 |
50 |
112.12 |
80.06 |
0.3666 |
22.991 |
82.852 |
0.04904 |
0.16649 |
0.2882 |
0.1794 |
|
|
|
|
0.0296 |
0.0411 |
0.00607 |
|
55 |
121.34 |
79.33 |
0.3383 |
24.397 |
83.310 |
0.05174 |
0.16621 |
0.2900 |
0.1827 |
|
|
|
|
0.0300 |
0.0404 |
0.00618 |
|
60 |
131.10 |
78.59 |
0.3126 |
25.814 |
83.755 |
0.05444 |
0.16594 |
0.2919 |
0.1861 |
|
|
|
|
0.0304 |
0.0398 |
0.00629 |
|
65 |
141.42 |
77.83 |
0.2892 |
27.244 |
84.187 |
0.05713 |
0.16566 |
0.2938 |
0.1898 |
|
|
|
|
0.0308 |
0.0392 |
0.00641 |
|
70 |
152.32 |
77.06 |
0.2677 |
28.685 |
84.606 |
0.05982 |
0.16539 |
0.2958 |
0.1937 |
|
|
|
|
0.0312 |
|
0.00653 |
|
75 |
163.81 |
76.27 |
0.2480 |
30.138 |
85.009 |
0.06249 |
0.16512 |
0.2977 |
0.1978 |
|
|
|
|
0.0316 |
|
0.00665 |
|
80 |
175.92 |
75.46 |
0.2299 |
31.602 |
85.397 |
0.06517 |
0.16484 |
0.2997 |
0.2022 |
|
|
|
|
0.0320 |
|
0.00678 |
|
85 |
188.66 |
74.62 |
0.2133 |
33.078 |
85.767 |
0.06783 |
0.16456 |
0.3017 |
0.2068 |
|
|
|
|
0.0324 |
|
0.00690 |
|
90 |
202.06 |
73.77 |
0.1980 |
34.566 |
86.118 |
0.07049 |
0.16427 |
0.3037 |
0.2117 |
|
|
|
|
0.0328 |
|
0.00703 |
|
95 |
216.13 |
72.88 |
0.1839 |
36.066 |
86.449 |
0.07314 |
0.16397 |
0.3058 |
0.2168 |
|
|
|
|
0.0332 |
|
0.00716 |
|
100 |
230.89 |
71.97 |
0.1708 |
37.578 |
86.758 |
0.07579 |
0.16366 |
0.3079 |
0.2223 |
|
|
|
|
0.0336 |
|
0.00730 |
|
105 |
246.38 |
71.02 |
0.1587 |
39.104 |
87.042 |
0.07843 |
0.16332 |
|
|
|
|
|
|
|
|
|
|
110 |
262.61 |
70.04 |
0.1474 |
40.644 |
87.298 |
0.08107 |
0.16297 |
|
|
|
|
|
|
|
|
|
|
115 |
279.61 |
69.02 |
0.1369 |
42.201 |
87.524 |
0.08371 |
0.16258 |
|
|
|
|
|
|
|
|
|
|
120 |
297.41 |
67.96 |
0.1271 |
43.774 |
87.716 |
0.08635 |
0.16216 |
|
|
|
|
|
|
|
|
|
|
125 |
316.05 |
66.84 |
0.1179 |
45.369 |
87.869 |
0.08901 |
0.16170 |
|
|
|
|
|
|
|
|
|
|
130 |
335.54 |
65.66 |
0.1094 |
46.987 |
87.977 |
0.09167 |
0.16118 |
|
|
|
|
|
|
|
|
|
|
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 |
|||
135 |
355.94 |
64.41 |
0.1013 |
48.634 |
88.032 |
0.09435 |
0.16060 |
|
|
|
|
|
|
|
|
|
|
140 |
377.30 |
63.08 |
0.0936 |
50.316 |
88.024 |
0.09706 |
0.15994 |
|
|
|
|
|
|
|
|
|
|
145 |
399.65 |
61.65 |
0.0863 |
52.045 |
87.941 |
0.09982 |
0.15919 |
|
|
|
|
|
|
|
|
|
|
150 |
423.06 |
60.09 |
0.0793 |
53.834 |
87.763 |
0.10265 |
0.15830 |
|
|
|
|
|
|
|
|
|
|
155 |
447.61 |
58.37 |
0.0726 |
55.705 |
87.463 |
0.10558 |
0.15724 |
|
|
|
|
|
|
|
|
|
|
160 |
473.39 |
56.43 |
0.0660 |
57.698 |
86.997 |
0.10867 |
0.15595 |
|
|
|
|
|
|
|
|
|
|
165 |
500.50 |
54.17 |
0.0595 |
59.878 |
86.293 |
0.11202 |
0.15430 |
|
|
|
|
|
|
|
|
|
|
170 |
529.11 |
51.39 |
0.0527 |
62.386 |
85.198 |
0.11584 |
0.15207 |
|
|
|
|
|
|
|
|
|
|
175 |
559.42 |
47.55 |
0.0451 |
65.610 |
83.303 |
0.12073 |
0.14861 |
|
|
|
|
|
|
|
|
|
|
179.9 |
591 |
35 |
0.0286 |
74.81 |
74.81 |
0.1346 |
0.1346 |
inf. | inf. | inf. | 0 |
0 |
|
|
inf. | inf. | 0 |