Refrigerant 152a (Difluoroethane) properties of saturated liquid and saturated vapor
From ASHRAE (1997), with permission
Values shown in blue
are at the triple point
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 |
|||
-181.46 |
0.012 |
74.28 |
3784.5 |
|
122.659 |
|
0.46931 |
|
0.1626 |
1.2274 |
|
507 |
|
|
|
|
|
-180 |
0.013 |
74.19 |
3483.2 |
|
122.896 |
|
0.46751 |
|
0.1632 |
1.2266 |
|
508 |
|
|
|
|
|
-170 |
0.024 |
73.58 |
1962.1 |
|
124.536 |
|
0.45497 |
|
0.1668 |
1.2208 |
|
516 |
|
|
|
|
|
-160 |
0.044 |
72.96 |
1113.9 |
|
126.207 |
|
0.44262 |
|
0.1705 |
1.2156 |
|
523 |
|
|
|
|
|
-150 |
0.078 |
72.34 |
646.96 |
|
127.907 |
|
0.43090 |
|
0.1742 |
1.2107 |
|
531 |
|
|
|
|
|
-140 |
0.134 |
71.72 |
386.82 |
|
129.635 |
|
0.42001 |
|
0.1780 |
1.2063 |
|
538 |
|
|
|
|
|
-130 |
0.224 |
71.09 |
238.52 |
|
131.387 |
|
0.41000 |
|
0.1819 |
1.2023 |
|
545 |
|
|
|
|
|
-120 |
0.363 |
70.45 |
151.60 |
|
133.160 |
|
0.40084 |
|
0.1858 |
1.1988 |
|
552 |
|
|
|
|
|
-110 |
0.570 |
69.81 |
99.179 |
|
134.952 |
|
0.39250 |
|
0.1899 |
1.1958 |
|
558 |
|
|
|
|
|
-100 |
0.871 |
69.16 |
66.660 |
-21.865 |
136.759 |
-0.05611 |
0.38492 |
|
0.1942 |
1.1932 |
|
565 |
|
|
|
|
|
-90 |
1.297 |
68.51 |
45.934 |
-18.413 |
138.576 |
-0.04664 |
0.37803 |
|
0.1987 |
1.1912 |
|
571 |
1.301 |
|
|
|
|
-80 |
1.884 |
67.85 |
32.386 |
-14.852 |
140.402 |
-0.03714 |
0.37178 |
|
0.2035 |
1.1898 |
|
577 |
1.187 |
|
|
|
|
-70 |
2.678 |
67.19 |
23.317 |
-11.216 |
142.230 |
-0.02769 |
0.36609 |
|
0.2086 |
1.1890 |
|
582 |
1.088 |
|
|
|
|
-60 |
3.729 |
66.52 |
17.113 |
-7.522 |
144.058 |
-0.01834 |
0.36092 |
|
0.2140 |
1.1889 |
|
587 |
1.000 |
|
|
|
|
-50 |
5.096 |
65.84 |
12.781 |
-3.781 |
145.882 |
-0.00911 |
0.35622 |
0.3759 |
0.2199 |
1.1894 |
3248 |
592 |
0.921 |
|
|
|
|
-45 |
5.918 |
65.49 |
11.113 |
-1.895 |
146.790 |
-0.00454 |
0.35403 |
0.3778 |
0.2229 |
1.1900 |
3202 |
594 |
0.886 |
|
|
|
|
-40 |
6.845 |
65.15 |
9.7001 |
0.000 |
147.696 |
0.00000 |
0.35193 |
0.3797 |
0.2261 |
1.1907 |
3157 |
597 |
0.852 |
|
|
|
|
-35 |
7.885 |
64.80 |
8.4974 |
1.905 |
148.599 |
0.00450 |
0.34994 |
0.3815 |
0.2294 |
1.1916 |
3112 |
599 |
0.820 |
|
|
|
|
-30 |
9.049 |
64.45 |
7.4699 |
3.819 |
149.499 |
0.00898 |
0.34803 |
0.3833 |
0.2328 |
1.1928 |
3068 |
601 |
0.790 |
|
|
|
|
-25 |
10.347 |
64.10 |
6.5885 |
5.742 |
150.394 |
0.01342 |
0.34621 |
0.3851 |
0.2363 |
1.1941 |
3023 |
602 |
0.761 |
|
|
|
|
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 |
11.789 |
63.74 |
5.8297 |
7.674 |
151.285 |
0.01783 |
0.34446 |
0.3869 |
0.2399 |
1.1956 |
2979 |
604 |
0.734 |
|
|
|
|
-15 |
13.387 |
63.38 |
5.1740 |
9.616 |
152.171 |
0.02221 |
0.34280 |
0.3887 |
0.2436 |
1.1973 |
2935 |
606 |
0.708 |
|
|
|
|
-11.24 |
14.696 |
63.11 |
4.7396 |
11.080 |
152.833 |
0.02548 |
0.34159 |
0.3901 |
0.2464 |
1.1988 |
2901 |
607 |
0.689 |
|
|
|
|
-10 |
15.151 |
63.02 |
4.6055 |
11.566 |
153.052 |
0.02656 |
0.34120 |
0.3906 |
0.2474 |
1.1993 |
2890 |
607 |
0.683 |
|
|
|
|
-5 |
17.095 |
62.66 |
4.1108 |
13.526 |
153.927 |
0.03088 |
0.33968 |
0.3924 |
0.2513 |
1.2015 |
2846 |
608 |
0.660 |
|
0.0737 |
|
|
0 |
19.231 |
62.29 |
3.6791 |
15.496 |
154.796 |
0.03518 |
0.33822 |
0.3943 |
0.2553 |
1.2039 |
2802 |
609 |
0.638 |
|
0.0728 |
|
|
5 |
21.570 |
61.92 |
3.3010 |
17.476 |
155.658 |
0.03944 |
0.33682 |
0.3963 |
0.2594 |
1.2066 |
2758 |
611 |
0.617 |
|
0.0718 |
|
|
10 |
24.127 |
61.55 |
2.9691 |
19.465 |
156.513 |
0.04369 |
0.33548 |
0.3982 |
0.2636 |
1.2094 |
2714 |
611 |
0.597 |
|
0.0709 |
|
14.98 |
15 |
26.915 |
61.17 |
2.6767 |
21.465 |
157.361 |
0.04790 |
0.33420 |
0.4003 |
0.2679 |
1.2126 |
2670 |
612 |
0.578 |
|
0.0700 |
|
14.57 |
20 |
29.948 |
60.79 |
2.4184 |
23.475 |
158.201 |
0.05210 |
0.33297 |
0.4024 |
0.2723 |
1.2160 |
2626 |
613 |
0.559 |
|
0.0690 |
|
14.17 |
25 |
33.239 |
60.41 |
2.1898 |
25.496 |
159.033 |
0.05627 |
0.33179 |
0.4045 |
0.2768 |
1.2197 |
2582 |
613 |
0.542 |
|
0.0681 |
|
13.77 |
30 |
36.804 |
60.02 |
1.9867 |
27.529 |
159.856 |
0.06042 |
0.33066 |
0.4068 |
0.2814 |
1.2237 |
2537 |
613 |
0.525 |
|
0.0672 |
|
13.37 |
35 |
40.657 |
59.62 |
1.8060 |
29.572 |
160.669 |
0.06455 |
0.32957 |
0.4091 |
0.2860 |
1.2280 |
2493 |
614 |
0.509 |
|
0.0662 |
|
12.98 |
40 |
44.813 |
59.23 |
1.6447 |
31.628 |
161.473 |
0.06865 |
0.32852 |
0.4114 |
0.2908 |
1.2326 |
2448 |
613 |
0.494 |
|
0.0653 |
|
12.59 |
45 |
49.289 |
58.83 |
1.5005 |
33.695 |
162.266 |
0.07274 |
0.32751 |
0.4139 |
0.2957 |
1.2375 |
2404 |
613 |
0.479 |
|
0.0643 |
|
12.20 |
50 |
54.099 |
58.42 |
1.3712 |
35.775 |
163.048 |
0.07681 |
0.32653 |
0.4164 |
0.3007 |
1.2429 |
2359 |
613 |
0.464 |
0.0232 |
0.0634 |
|
11.81 |
55 |
59.260 |
58.01 |
1.2550 |
37.868 |
163.818 |
0.08087 |
0.32559 |
0.4190 |
0.3058 |
1.2486 |
2314 |
612 |
0.451 |
0.0235 |
0.0625 |
|
11.42 |
60 |
64.788 |
57.59 |
1.1505 |
39.974 |
164.576 |
0.08491 |
0.32468 |
0.4218 |
0.3110 |
1.2547 |
2269 |
612 |
0.438 |
0.0237 |
0.0615 |
|
11.04 |
65 |
70.700 |
57.17 |
1.0561 |
42.094 |
165.320 |
0.08893 |
0.32380 |
0.4246 |
0.3163 |
1.2613 |
2224 |
611 |
0.425 |
0.0239 |
0.0606 |
|
10.65 |
70 |
77.014 |
56.74 |
0.9708 |
44.228 |
166.051 |
0.09294 |
0.32294 |
0.4276 |
0.3218 |
1.2684 |
2179 |
609 |
0.413 |
0.0241 |
0.0597 |
|
10.28 |
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 |
|||
75 |
83.746 |
56.31 |
0.8936 |
46.377 |
166.767 |
0.09694 |
0.32210 |
0.4306 |
0.3275 |
1.2760 |
2134 |
608 |
0.401 |
0.0244 |
0.0588 |
|
9.90 |
80 |
90.913 |
55.87 |
0.8235 |
48.542 |
167.468 |
0.10092 |
0.32129 |
0.4339 |
0.3333 |
1.2842 |
2088 |
607 |
0.390 |
0.0246 |
0.0579 |
|
9.52 |
85 |
98.535 |
55.42 |
0.7597 |
50.722 |
168.151 |
0.10490 |
0.32049 |
0.4372 |
0.3394 |
1.2931 |
2042 |
605 |
0.379 |
0.0248 |
0.0570 |
|
9.15 |
90 |
106.63 |
54.97 |
0.7016 |
52.919 |
168.818 |
0.10886 |
0.31971 |
0.4408 |
0.3456 |
1.3026 |
1996 |
603 |
0.368 |
0.0251 |
0.0561 |
|
8.78 |
95 |
115.21 |
54.51 |
0.6487 |
55.133 |
169.465 |
0.11282 |
0.31895 |
0.4445 |
0.3522 |
1.3129 |
1950 |
601 |
0.358 |
0.0253 |
0.0552 |
|
8.42 |
100 |
124.31 |
54.04 |
0.6002 |
57.366 |
170.092 |
0.11677 |
0.31819 |
0.4485 |
0.3590 |
1.3241 |
1904 |
598 |
0.348 |
0.0256 |
0.0543 |
|
8.06 |
105 |
133.93 |
53.56 |
0.5559 |
59.617 |
170.698 |
0.12072 |
0.31744 |
0.4526 |
0.3661 |
1.3363 |
1857 |
596 |
0.338 |
0.0259 |
0.0534 |
|
7.70 |
110 |
144.10 |
53.07 |
0.5153 |
61.887 |
171.281 |
0.12466 |
0.31669 |
0.4570 |
0.3736 |
1.3496 |
1811 |
593 |
0.328 |
0.0261 |
0.0525 |
|
7.34 |
115 |
154.84 |
52.57 |
0.4779 |
64.179 |
171.839 |
0.12860 |
0.31594 |
0.4617 |
0.3815 |
1.3640 |
1763 |
590 |
0.319 |
0.0264 |
0.0516 |
|
6.98 |
120 |
166.17 |
52.06 |
0.4436 |
66.493 |
172.371 |
0.13254 |
0.31519 |
0.4667 |
0.3900 |
1.3799 |
1716 |
587 |
0.310 |
0.0267 |
0.0508 |
|
6.63 |
125 |
178.11 |
51.54 |
0.4119 |
68.829 |
172.874 |
0.13648 |
0.31443 |
0.4721 |
0.3989 |
1.3973 |
1668 |
583 |
0.302 |
0.0270 |
0.0499 |
|
6.29 |
130 |
190.68 |
51.00 |
0.3827 |
71.190 |
173.347 |
0.14042 |
0.31367 |
0.4779 |
0.4085 |
1.4165 |
1620 |
579 |
0.293 |
0.0273 |
0.0491 |
|
5.94 |
135 |
203.90 |
50.46 |
0.3557 |
73.577 |
173.787 |
0.14437 |
0.31288 |
0.4841 |
0.4189 |
1.4377 |
1572 |
575 |
0.285 |
0.0276 |
0.0483 |
|
5.60 |
140 |
217.79 |
49.90 |
0.3307 |
75.991 |
174.192 |
0.14833 |
0.31208 |
0.4909 |
0.4301 |
1.4613 |
1523 |
571 |
0.277 |
0.0280 |
0.0474 |
|
5.26 |
145 |
232.39 |
49.32 |
0.3075 |
78.435 |
174.557 |
0.15230 |
0.31126 |
0.4983 |
0.4424 |
1.4877 |
1474 |
566 |
0.269 |
0.0283 |
0.0466 |
|
4.93 |
150 |
247.71 |
48.72 |
0.2860 |
80.911 |
174.880 |
0.15628 |
0.31041 |
0.5064 |
0.4559 |
1.5174 |
1425 |
561 |
0.261 |
0.0287 |
0.0458 |
|
4.60 |
155 |
263.77 |
48.11 |
0.2660 |
83.421 |
175.156 |
0.16028 |
0.30952 |
0.5154 |
0.4708 |
1.5509 |
1375 |
555 |
0.254 |
0.0291 |
0.0450 |
|
4.28 |
160 |
280.61 |
47.48 |
0.2473 |
85.968 |
175.382 |
0.16430 |
0.30859 |
0.5254 |
0.4874 |
1.5890 |
1324 |
550 |
|
0.0296 |
0.0443 |
|
3.96 |
165 |
298.24 |
46.82 |
0.2299 |
88.555 |
175.551 |
0.16835 |
0.30761 |
0.5366 |
0.5062 |
1.6328 |
1273 |
544 |
|
0.0300 |
0.0435 |
|
3.64 |
170 |
316.70 |
46.13 |
0.2136 |
91.187 |
175.657 |
0.17243 |
0.30657 |
0.5493 |
0.5276 |
1.6834 |
1221 |
537 |
|
0.0305 |
0.0428 |
|
3.33 |
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 |
|||
175 |
336.02 |
45.42 |
0.1984 |
93.869 |
175.692 |
0.17654 |
0.30547 |
0.5639 |
0.5523 |
1.7427 |
1169 |
530 |
|
0.0311 |
|
|
3.02 |
180 |
356.22 |
44.67 |
0.1840 |
96.605 |
175.647 |
0.18071 |
0.30427 |
0.5808 |
0.5812 |
1.8128 |
1115 |
523 |
|
0.0317 |
|
|
2.72 |
185 |
377.34 |
43.89 |
0.1705 |
99.403 |
175.511 |
0.18493 |
0.30299 |
0.6007 |
0.6154 |
1.8970 |
1061 |
516 |
|
0.0323 |
|
|
2.43 |
190 |
399.41 |
43.06 |
0.1578 |
102.272 |
175.270 |
0.18921 |
0.30158 |
0.6245 |
0.6568 |
1.9999 |
1006 |
507 |
|
0.0330 |
|
|
2.14 |
195 |
422.47 |
42.17 |
0.1457 |
105.223 |
174.905 |
0.19359 |
0.30002 |
0.6537 |
0.7081 |
2.1282 |
949 |
499 |
|
|
|
|
1.86 |
200 |
446.56 |
41.23 |
0.1343 |
108.272 |
174.392 |
0.19806 |
0.29829 |
0.6904 |
0.7733 |
2.2925 |
891 |
490 |
|
|
|
|
1.59 |
210 |
498.01 |
39.08 |
0.1127 |
114.753 |
172.776 |
0.20746 |
0.29410 |
0.8040 |
0.9778 |
2.8110 |
769 |
469 |
|
|
|
|
1.06 |
220 |
554.22 |
36.38 |
0.0922 |
122.043 |
169.915 |
0.21785 |
0.28829 |
|
|
|
636 |
446 |
|
|
|
|
0.59 |
230 |
606.14 |
29.31 |
0.0341 |
135.228 |
135.236 |
0.23666 |
0.23667 |
|
|
|
|
|
|
|
|
|
0.17 |
235.87 |
655.07 |
22.97 |
0.0435 |
147.302 |
147.302 |
0.25359 |
0.25359 |
inf. | inf. | inf. | 0 |
0 |
|
|
inf. | inf. | 0 |