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., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-70 |
0.02757 |
1557.6 |
0.54045 |
131.58 |
313.03 |
0.7146 |
1.6077 |
1.024 |
- |
- |
- |
- |
543.6 |
- |
- |
- |
- |
-68 |
0.03104 |
1551.6 |
0.48397 |
133.22 |
314.05 |
0.7226 |
1.6040 |
1.027 |
- |
- |
- |
- |
527.3 |
- |
- |
- |
- |
-66 |
0.03487 |
1545.5 |
0.43440 |
134.87 |
315.06 |
0.7306 |
1.6004 |
1.031 |
- |
- |
- |
- |
511.7 |
- |
- |
- |
- |
-64 |
0.03907 |
1539.5 |
0.39078 |
136.54 |
316.08 |
0.7386 |
1.5970 |
1.034 |
- |
- |
- |
- |
496.7 |
- |
- |
- |
- |
-62 |
0.04368 |
1533.4 |
0.35231 |
138.23 |
317.10 |
0.7466 |
1.5937 |
1.038 |
- |
- |
- |
- |
482.4 |
- |
- |
- |
- |
-60 |
0.04872 |
1527.2 |
0.31829 |
139.94 |
318.10 |
0.7546 |
1.5905 |
1.042 |
0.574 |
- |
- |
- |
468.7 |
- |
97.9 |
- |
17.41 |
-58 |
0.05422 |
1521.1 |
0.28814 |
141.67 |
319.12 |
0.7627 |
1.5875 |
1.046 |
0.578 |
- |
- |
- |
455.5 |
- |
97.1 |
- |
17.10 |
-56 |
0.06021 |
1514.9 |
0.26137 |
143.41 |
320.14 |
0.7708 |
1.5846 |
1.050 |
0.582 |
- |
- |
- |
442.9 |
- |
96.3 |
- |
16.79 |
-54 |
0.06671 |
1508.6 |
0.23753 |
145.18 |
321.15 |
0.7788 |
1.5818 |
1.053 |
0.585 |
- |
- |
- |
430.7 |
- |
95.5 |
- |
16.48 |
-52 |
0.07377 |
1502.4 |
0.21627 |
146.97 |
322.16 |
0.7869 |
1.5791 |
1.057 |
0.589 |
- |
- |
- |
419.1 |
- |
94.7 |
- |
16.17 |
-50 |
0.08142 |
1496.1 |
0.19726 |
148.77 |
323.16 |
0.7950 |
1.5765 |
1.061 |
0.592 |
- |
- |
- |
407.9 |
- |
93.9 |
- |
15.86 |
-48 |
0.08969 |
1489.7 |
0.18024 |
150.60 |
324.17 |
0.8031 |
1.5741 |
1.066 |
0.595 |
- |
- |
- |
397.2 |
- |
93.1 |
- |
15.56 |
-46 |
0.09861 |
1483.4 |
0.16496 |
152.44 |
325.17 |
0.8113 |
1.5717 |
1.070 |
0.599 |
- |
- |
- |
386.8 |
- |
92.3 |
- |
15.25 |
-45.42 |
0.10132 |
1481.5 |
0.16082 |
152.98 |
325.46 |
0.8136 |
1.5710 |
1.071 |
0.600 |
- |
- |
- |
383.9 |
- |
92.1 |
- |
15.16 |
-44 |
0.10821 |
1476.9 |
0.15123 |
154.30 |
326.17 |
0.8194 |
1.5694 |
1.074 |
0.602 |
- |
- |
- |
376.9 |
- |
91.6 |
- |
14.95 |
-42 |
0.11854 |
1470.5 |
0.13885 |
156.19 |
327.16 |
0.8276 |
1.5672 |
1.078 |
0.606 |
- |
- |
- |
367.3 |
- |
90.8 |
- |
14.65 |
-40 |
0.12964 |
1464.0 |
0.12769 |
158.09 |
328.15 |
0.8357 |
1.5651 |
1.082 |
0.609 |
- |
- |
- |
358.1 |
- |
90.0 |
7.11 |
14.35 |
-38 |
0.14153 |
1457.4 |
0.11759 |
160.01 |
329.13 |
0.8439 |
1.5631 |
1.087 |
0.612 |
- |
- |
- |
349.3 |
- |
89.3 |
7.25 |
14.05 |
-36 |
0.15426 |
1450.9 |
0.10845 |
161.95 |
330.12 |
0.8521 |
1.5612 |
1.091 |
0.616 |
- |
- |
- |
340.8 |
- |
88.5 |
7.39 |
13.75 |
-34 |
0.16786 |
1444.2 |
0.10016 |
163.91 |
331.09 |
0.8603 |
1.5593 |
1.095 |
0.620 |
- |
- |
- |
332.5 |
- |
87.7 |
7.52 |
13.45 |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-32 |
0.18239 |
1437.5 |
0.09262 |
165.89 |
332.06 |
0.8685 |
1.5575 |
1.100 |
0.623 |
- |
- |
- |
324.6 |
- |
87.0 |
7.66 |
13.16 |
-30 |
0.19786 |
1430.8 |
0.08577 |
167.89 |
333.03 |
0.8767 |
1.5558 |
1.104 |
0.627 |
- |
- |
- |
317.0 |
- |
86.2 |
7.80 |
12.86 |
-28 |
0.21433 |
1424.0 |
0.07952 |
169.90 |
333.99 |
0.8849 |
1.5542 |
1.109 |
0.631 |
- |
- |
- |
309.6 |
- |
85.4 |
7.93 |
12.57 |
-26 |
0.23184 |
1417.2 |
0.07382 |
171.94 |
334.94 |
0.8931 |
1.5526 |
1.114 |
0.635 |
- |
- |
- |
302.5 |
- |
84.7 |
8.07 |
12.28 |
-24 |
0.25043 |
1410.3 |
0.06861 |
173.99 |
335.89 |
0.9013 |
1.5511 |
1.118 |
0.640 |
- |
- |
- |
295.6 |
- |
83.9 |
8.20 |
11.99 |
-22 |
0.27014 |
1403.4 |
0.06384 |
176.06 |
336.83 |
0.9095 |
1.5497 |
1.123 |
0.644 |
- |
- |
- |
289.0 |
- |
83.2 |
8.34 |
11.70 |
-20 |
0.29101 |
1396.4 |
0.05946 |
178.15 |
337.76 |
0.9178 |
1.5483 |
1.128 |
0.649 |
- |
- |
- |
282.6 |
- |
82.4 |
8.47 |
11.42 |
-18 |
0.31308 |
1389.3 |
0.05545 |
180.26 |
338.69 |
0.9260 |
1.5469 |
1.133 |
0.653 |
- |
- |
- |
276.4 |
- |
81.7 |
8.60 |
11.13 |
-16 |
0.33641 |
1382.2 |
0.05176 |
182.39 |
339.61 |
0.9342 |
1.5456 |
1.137 |
0.659 |
- |
- |
- |
270.5 |
- |
80.9 |
8.73 |
10.85 |
-14 |
0.36102 |
1375.0 |
0.04836 |
184.53 |
340.52 |
0.9425 |
1.5444 |
1.142 |
0.664 |
- |
- |
- |
264.7 |
- |
80.1 |
8.87 |
10.57 |
-12 |
0.38697 |
1367.7 |
0.04523 |
186.69 |
341.42 |
0.9507 |
1.5432 |
1.147 |
0.669 |
- |
- |
- |
259.1 |
- |
79.4 |
9.00 |
10.29 |
-10 |
0.41430 |
1360.4 |
0.04234 |
188.87 |
342.31 |
0.9589 |
1.5420 |
1.152 |
0.675 |
- |
- |
- |
253.7 |
- |
78.6 |
9.13 |
10.01 |
-8 |
0.44304 |
1353.0 |
0.03967 |
191.06 |
343.20 |
0.9671 |
1.5409 |
1.158 |
0.681 |
- |
- |
- |
248.5 |
- |
77.9 |
9.27 |
9.73 |
-6 |
0.47326 |
1345.5 |
0.03721 |
193.27 |
344.07 |
0.9754 |
1.5399 |
1.163 |
0.688 |
- |
- |
- |
243.4 |
- |
77.1 |
9.40 |
9.46 |
-4 |
0.50498 |
1337.9 |
0.03492 |
195.50 |
344.94 |
0.9836 |
1.5388 |
1.168 |
0.694 |
- |
- |
- |
238.5 |
- |
76.4 |
9.53 |
9.18 |
-2 |
0.53826 |
1330.3 |
0.03281 |
197.74 |
345.79 |
0.9918 |
1.5378 |
1.173 |
0.701 |
- |
- |
- |
233.8 |
- |
75.6 |
9.67 |
8.91 |
0 |
0.57313 |
1322.5 |
0.03084 |
200.00 |
346.63 |
1.0000 |
1.5368 |
1.178 |
0.709 |
- |
- |
- |
229.2 |
11.69 |
74.8 |
9.80 |
8.64 |
2 |
0.60965 |
1314.7 |
0.02901 |
202.27 |
347.47 |
1.0082 |
1.5359 |
1.184 |
0.716 |
- |
- |
- |
224.7 |
11.79 |
74.1 |
9.94 |
8.37 |
4 |
0.64786 |
1306.8 |
0.02731 |
204.57 |
348.29 |
1.0164 |
1.5350 |
1.189 |
0.724 |
- |
- |
- |
220.4 |
11.90 |
73.3 |
10.07 |
8.11 |
6 |
0.68779 |
1298.8 |
0.02573 |
206.87 |
349.10 |
1.0246 |
1.5341 |
1.195 |
0.733 |
- |
- |
- |
216.2 |
12.01 |
72.5 |
10.21 |
7.84 |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
8 |
0.72951 |
1290.7 |
0.02426 |
209.19 |
349.89 |
1.0327 |
1.5332 |
1.200 |
0.741 |
- |
- |
- |
212.2 |
12.12 |
71.8 |
10.35 |
7.58 |
10 |
0.77305 |
1282.4 |
0.02288 |
211.53 |
350.67 |
1.0409 |
1.5323 |
1.206 |
0.751 |
- |
- |
- |
- |
12.24 |
71.0 |
10.49 |
- |
12 |
0.81845 |
1274.1 |
0.02160 |
213.88 |
351.44 |
1.0490 |
1.5315 |
1.211 |
0.760 |
- |
- |
- |
- |
12.36 |
70.2 |
10.63 |
- |
14 |
0.86577 |
1265.6 |
0.02040 |
216.24 |
352.20 |
1.0572 |
1.5306 |
1.217 |
0.770 |
- |
- |
- |
- |
12.48 |
69.4 |
10.77 |
- |
16 |
0.91505 |
1257.0 |
0.01927 |
218.62 |
352.94 |
1.0653 |
1.5298 |
1.223 |
0.781 |
- |
- |
- |
- |
12.60 |
68.7 |
10.92 |
- |
18 |
0.96634 |
1248.3 |
0.01822 |
221.02 |
353.66 |
1.0734 |
1.5290 |
1.228 |
0.792 |
- |
- |
- |
- |
12.72 |
67.9 |
11.06 |
- |
20 |
1.0197 |
1239.4 |
0.01723 |
223.42 |
354.36 |
1.0815 |
1.5282 |
1.234 |
0.804 |
- |
- |
- |
- |
12.84 |
67.1 |
11.21 |
- |
22 |
1.0751 |
1230.4 |
0.01631 |
225.84 |
355.05 |
1.0896 |
1.5274 |
1.240 |
0.816 |
- |
- |
- |
- |
12.96 |
- |
11.36 |
- |
24 |
1.1327 |
1221.2 |
0.01544 |
228.28 |
355.72 |
1.0976 |
1.5265 |
1.246 |
0.828 |
- |
- |
- |
- |
13.08 |
- |
11.51 |
- |
26 |
1.1925 |
1211.9 |
0.01462 |
230.73 |
356.38 |
1.1057 |
1.5257 |
1.252 |
0.841 |
- |
- |
- |
- |
13.20 |
- |
11.67 |
- |
28 |
1.2545 |
1202.3 |
0.01385 |
233.19 |
357.01 |
1.1137 |
1.5249 |
1.258 |
0.855 |
- |
- |
- |
- |
13.32 |
- |
11.82 |
- |
30 |
1.3189 |
1192.6 |
0.01312 |
235.67 |
357.62 |
1.1217 |
1.5240 |
1.264 |
0.869 |
- |
- |
- |
- |
13.44 |
- |
11.98 |
- |
32 |
1.3856 |
1182.7 |
0.01244 |
238.16 |
358.20 |
1.1297 |
1.5231 |
1.270 |
0.884 |
- |
- |
- |
- |
13.56 |
- |
12.14 |
- |
34 |
1.4547 |
1172.6 |
0.01179 |
240.66 |
358.76 |
1.1377 |
1.5222 |
1.276 |
0.899 |
- |
- |
- |
- |
13.67 |
- |
12.30 |
- |
36 |
1.5262 |
1162.2 |
0.01118 |
243.18 |
359.30 |
1.1457 |
1.5213 |
1.283 |
0.915 |
- |
- |
- |
- |
13.78 |
- |
12.47 |
- |
38 |
1.6003 |
1151.6 |
0.01060 |
245.72 |
359.81 |
1.1537 |
1.5204 |
1.289 |
0.932 |
- |
- |
- |
- |
13.89 |
- |
12.64 |
- |
40 |
1.6770 |
1140.7 |
0.01005 |
248.27 |
360.28 |
1.1617 |
1.5194 |
1.295 |
0.949 |
- |
- |
- |
- |
13.99 |
- |
12.81 |
- |
42 |
1.7563 |
1129.6 |
0.00953 |
250.84 |
360.73 |
1.1696 |
1.5183 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
44 |
1.8383 |
1118.1 |
0.00904 |
253.43 |
361.14 |
1.1776 |
1.5172 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
46 |
1.9231 |
1106.3 |
0.00857 |
256.04 |
361.51 |
1.1855 |
1.5160 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
48 |
2.0107 |
1094.1 |
0.00813 |
258.66 |
361.85 |
1.1935 |
1.5148 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
50 |
2.1013 |
1081.5 |
0.00770 |
261.32 |
362.13 |
1.2015 |
1.5134 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
52 |
2.1949 |
1068.4 |
0.00730 |
263.99 |
362.37 |
1.2094 |
1.5120 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
54 |
2.2916 |
1054.9 |
0.00691 |
266.70 |
362.55 |
1.2175 |
1.5105 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
56 |
2.3915 |
1040.8 |
0.00654 |
269.44 |
362.67 |
1.2255 |
1.5088 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
58 |
2.4947 |
1026.0 |
0.00618 |
272.22 |
362.72 |
1.2336 |
1.5069 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
60 |
2.6014 |
1010.5 |
0.00584 |
275.05 |
362.70 |
1.2418 |
1.5049 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
65 |
2.8840 |
967.8 |
0.00504 |
282.38 |
362.19 |
1.2628 |
1.4988 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
70 |
3.1917 |
916.9 |
0.00429 |
290.31 |
360.80 |
1.2851 |
1.4905 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
75 |
3.5284 |
851.2 |
0.00355 |
299.48 |
357.79 |
1.3105 |
1.4780 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
80 |
3.9004 |
745.1 |
0.00271 |
312.52 |
350.37 |
1.3461 |
1.4533 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
82.2 |
4.075 |
561 |
0.0018 |
332 |
332 |
1.399 |
1.399 |
inf. | inf. | inf. | 0 |
0 |
- |
- |
inf. | inf. | 0.00 |