Refrigerant 23 (Trifluoromethane) 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 |
|||
-160 |
2.774 |
94.42 |
16.315 |
-35.171 |
75.195 |
-0.09766 |
0.27063 |
|
0.1363 |
1.2960 |
|
517 |
|
|
|
|
|
-155 |
3.442 |
93.95 |
13.334 |
-33.755 |
75.756 |
-0.09298 |
0.26646 |
|
0.1380 |
1.2969 |
|
521 |
|
|
|
|
|
-150 |
4.237 |
93.46 |
10.981 |
-32.354 |
76.309 |
-0.08842 |
0.26247 |
|
0.1399 |
1.2980 |
|
524 |
|
|
|
|
|
-145 |
5.177 |
92.97 |
9.1062 |
-30.964 |
76.853 |
-0.08398 |
0.25866 |
|
0.1419 |
1.2995 |
|
527 |
|
|
|
|
|
-140 |
6.279 |
92.46 |
7.6019 |
-29.581 |
77.388 |
-0.07962 |
0.25500 |
|
0.1441 |
1.3014 |
|
529 |
|
|
|
|
|
-135 |
7.566 |
91.95 |
6.3857 |
-28.201 |
77.913 |
-0.07535 |
0.25149 |
|
0.1464 |
1.3036 |
|
532 |
|
|
|
|
|
-130 |
9.058 |
91.42 |
5.3956 |
-26.822 |
78.427 |
-0.07114 |
0.24811 |
|
0.1488 |
1.3062 |
|
535 |
|
|
|
|
|
-125 |
10.778 |
90.88 |
4.5844 |
-25.440 |
78.930 |
-0.06699 |
0.24487 |
|
0.1514 |
1.3091 |
|
537 |
|
|
|
|
|
-120 |
12.751 |
90.32 |
3.9155 |
-24.052 |
79.421 |
-0.06289 |
0.24174 |
|
0.1542 |
1.3125 |
|
539 |
|
|
|
|
|
-115.64 |
14.696 |
89.83 |
3.4267 |
-22.837 |
79.839 |
-0.05935 |
0.23911 |
|
0.1567 |
1.3157 |
|
541 |
|
|
|
|
|
-115 |
15.003 |
89.76 |
3.3607 |
-22.657 |
79.900 |
-0.05882 |
0.23873 |
|
0.1571 |
1.3162 |
|
541 |
|
|
|
|
|
-110 |
17.561 |
89.18 |
2.8981 |
-21.252 |
80.366 |
-0.05479 |
0.23582 |
|
0.1602 |
1.3204 |
|
543 |
|
|
|
|
|
-105 |
20.452 |
88.59 |
2.5102 |
-19.835 |
80.818 |
-0.05078 |
0.23301 |
|
0.1634 |
1.3251 |
|
545 |
|
|
|
|
|
-100 |
23.708 |
87.98 |
2.1834 |
-18.405 |
81.256 |
-0.04680 |
0.23029 |
|
0.1669 |
1.3302 |
|
546 |
|
|
|
|
|
-98 |
25.118 |
87.74 |
2.0672 |
-17.829 |
81.428 |
-0.04521 |
0.22923 |
|
0.1683 |
1.3324 |
|
547 |
|
|
|
|
|
-96 |
26.594 |
87.49 |
1.9584 |
-17.251 |
81.597 |
-0.04363 |
0.22818 |
|
0.1698 |
1.3346 |
|
547 |
|
|
|
|
|
-94 |
28.137 |
87.24 |
1.8565 |
-16.670 |
81.764 |
-0.04204 |
0.22714 |
|
0.1713 |
1.3370 |
|
548 |
|
|
|
|
|
-92 |
29.748 |
86.98 |
1.7609 |
-16.087 |
81.928 |
-0.04046 |
0.22612 |
|
0.1728 |
1.3394 |
|
548 |
|
|
|
|
|
-90 |
31.431 |
86.73 |
1.6712 |
-15.501 |
82.090 |
-0.03888 |
0.22511 |
|
0.1744 |
1.3419 |
|
549 |
|
|
|
|
|
-88 |
33.187 |
86.47 |
1.5871 |
-14.912 |
82.249 |
-0.03730 |
0.22411 |
|
0.1760 |
1.3445 |
|
549 |
|
|
|
|
|
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 |
|||
-86 |
35.019 |
86.21 |
1.5079 |
-14.321 |
82.407 |
-0.03573 |
0.22313 |
|
0.1776 |
1.3472 |
|
550 |
|
|
|
|
|
-84 |
36.927 |
85.95 |
1.4336 |
-13.728 |
82.561 |
-0.03416 |
0.22216 |
|
0.1792 |
1.3500 |
|
550 |
|
|
|
|
|
-82 |
38.916 |
85.68 |
1.3636 |
-13.132 |
82.713 |
-0.03258 |
0.22119 |
|
0.1809 |
1.3529 |
|
550 |
|
|
|
|
|
-80 |
40.986 |
85.42 |
1.2977 |
-12.533 |
82.863 |
-0.03101 |
0.22025 |
|
0.1826 |
1.3559 |
|
551 |
|
|
|
|
|
-78 |
43.140 |
85.15 |
1.2356 |
-11.931 |
83.010 |
-0.02945 |
0.21930 |
|
0.1844 |
1.3589 |
|
551 |
|
|
|
|
|
-76 |
45.380 |
84.87 |
1.1771 |
-11.327 |
83.155 |
-0.02788 |
0.21838 |
|
0.1862 |
1.3621 |
|
551 |
|
|
|
|
13.68 |
-74 |
47.709 |
84.60 |
1.1219 |
-10.720 |
83.297 |
-0.02632 |
0.21746 |
|
0.1880 |
1.3654 |
|
551 |
|
|
|
|
13.43 |
-72 |
50.128 |
84.32 |
1.0698 |
-10.110 |
83.436 |
-0.02475 |
0.21655 |
|
0.1899 |
1.3688 |
|
551 |
|
|
|
|
13.18 |
-70 |
52.639 |
84.04 |
1.0207 |
-9.497 |
83.573 |
-0.02319 |
0.21565 |
|
0.1918 |
1.3722 |
|
551 |
|
|
|
|
12.93 |
-68 |
55.246 |
83.76 |
0.9742 |
-8.882 |
83.707 |
-0.02163 |
0.21477 |
|
0.1937 |
1.3758 |
|
552 |
|
|
|
|
12.69 |
-66 |
57.951 |
83.47 |
0.9302 |
-8.264 |
83.839 |
-0.02007 |
0.21389 |
|
0.1957 |
1.3796 |
|
552 |
|
|
|
|
12.44 |
-64 |
60.755 |
83.18 |
0.8887 |
-7.644 |
83.968 |
-0.01852 |
0.21302 |
|
0.1977 |
1.3834 |
|
552 |
|
|
|
|
12.20 |
-62 |
63.660 |
82.89 |
0.8493 |
-7.021 |
84.094 |
-0.01696 |
0.21216 |
|
0.1997 |
1.3874 |
|
552 |
|
|
|
|
11.96 |
-60 |
66.671 |
82.59 |
0.8121 |
-6.395 |
84.217 |
-0.01541 |
0.21131 |
|
0.2018 |
1.3915 |
|
552 |
|
|
|
|
11.72 |
-58 |
69.787 |
82.30 |
0.7768 |
-5.767 |
84.337 |
-0.01386 |
0.21047 |
|
0.2039 |
1.3957 |
|
551 |
|
|
|
|
11.48 |
-56 |
73.013 |
82.00 |
0.7433 |
-5.136 |
84.455 |
-0.01231 |
0.20963 |
|
0.2061 |
1.4000 |
|
551 |
|
|
|
|
11.24 |
-54 |
76.350 |
81.69 |
0.7116 |
-4.502 |
84.570 |
-0.01076 |
0.20881 |
|
0.2083 |
1.4045 |
|
551 |
|
|
|
|
11.01 |
-52 |
79.800 |
81.38 |
0.6814 |
-3.866 |
84.682 |
-0.00922 |
0.20799 |
|
0.2106 |
1.4092 |
|
551 |
|
|
|
|
10.77 |
-50 |
83.367 |
81.07 |
0.6528 |
-3.228 |
84.791 |
-0.00767 |
0.20718 |
|
0.2129 |
1.4140 |
|
551 |
|
|
|
|
10.54 |
-48 |
87.052 |
80.76 |
0.6257 |
-2.587 |
84.897 |
-0.00614 |
0.20637 |
|
0.2152 |
1.4190 |
|
550 |
|
|
|
|
10.31 |
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 |
|||
-46 |
90.858 |
80.44 |
0.5998 |
-1.944 |
85.000 |
-0.00460 |
0.20558 |
|
0.2176 |
1.4241 |
|
550 |
|
|
|
|
10.08 |
-44 |
94.787 |
80.12 |
0.5753 |
-1.298 |
85.100 |
-0.00306 |
0.20479 |
|
0.2200 |
1.4294 |
|
550 |
|
|
|
|
9.85 |
-42 |
98.842 |
79.80 |
0.5519 |
-0.650 |
85.197 |
-0.00153 |
0.20401 |
|
0.2225 |
1.4349 |
|
549 |
|
|
|
|
9.62 |
-40 |
103.03 |
79.47 |
0.5296 |
0.000 |
85.291 |
0.00000 |
0.20323 |
|
0.2251 |
1.4405 |
738 |
549 |
0.396 |
|
0.0595 |
0.00654 |
9.40 |
-38 |
107.34 |
79.14 |
0.5085 |
0.652 |
85.382 |
0.00153 |
0.20246 |
|
0.2277 |
1.4464 |
719 |
548 |
0.391 |
|
0.0590 |
0.00661 |
9.17 |
-36 |
111.79 |
78.80 |
0.4883 |
1.307 |
85.469 |
0.00305 |
0.20170 |
|
0.2303 |
1.4525 |
701 |
548 |
0.386 |
|
0.0585 |
0.00668 |
8.95 |
-34 |
116.37 |
78.47 |
0.4690 |
1.964 |
85.553 |
0.00457 |
0.20094 |
|
0.2330 |
1.4588 |
684 |
547 |
0.380 |
|
0.0581 |
0.00675 |
8.73 |
-32 |
121.09 |
78.12 |
0.4507 |
2.623 |
85.634 |
0.00609 |
0.20019 |
|
0.2358 |
1.4653 |
667 |
547 |
0.375 |
|
0.0576 |
0.00683 |
8.51 |
-30 |
125.95 |
77.78 |
0.4332 |
3.284 |
85.711 |
0.00761 |
0.19944 |
|
0.2386 |
1.4720 |
651 |
546 |
0.370 |
|
0.0572 |
0.00691 |
8.29 |
-25 |
138.74 |
76.89 |
0.3928 |
4.947 |
85.888 |
0.01138 |
0.19760 |
|
0.2460 |
1.4901 |
613 |
544 |
0.357 |
|
0.0561 |
0.00711 |
7.76 |
-20 |
152.46 |
75.98 |
0.3567 |
6.622 |
86.042 |
0.01514 |
0.19577 |
|
0.2538 |
1.5099 |
578 |
542 |
0.344 |
0.0299 |
0.0550 |
0.00732 |
7.23 |
-15 |
167.17 |
75.04 |
0.3244 |
8.311 |
86.171 |
0.01888 |
0.19397 |
|
0.2622 |
1.5318 |
546 |
540 |
0.331 |
0.0304 |
0.0540 |
0.00755 |
6.72 |
-10 |
182.90 |
74.07 |
0.2954 |
10.013 |
86.274 |
0.02260 |
0.19219 |
|
0.2711 |
1.5561 |
517 |
537 |
0.318 |
0.0309 |
0.0530 |
0.00778 |
6.22 |
-5 |
199.70 |
73.07 |
0.2692 |
11.730 |
86.346 |
0.02630 |
0.19041 |
|
0.2808 |
1.5833 |
491 |
534 |
0.306 |
0.0314 |
0.0519 |
0.00803 |
|
0 |
217.62 |
72.03 |
0.2457 |
13.462 |
86.387 |
0.02999 |
0.18863 |
|
0.2912 |
1.6138 |
466 |
530 |
0.293 |
0.0319 |
0.0508 |
0.00829 |
|
5 |
236.71 |
70.96 |
0.2243 |
15.213 |
86.392 |
0.03367 |
0.18685 |
|
0.3027 |
1.6484 |
444 |
527 |
0.281 |
0.0324 |
0.0497 |
0.00856 |
|
10 |
257.02 |
69.84 |
0.2049 |
16.985 |
86.358 |
0.03735 |
0.18505 |
|
0.3153 |
1.6879 |
423 |
523 |
0.269 |
0.0330 |
0.0484 |
0.00884 |
|
15 |
278.61 |
68.67 |
0.1872 |
18.783 |
86.278 |
0.04103 |
0.18323 |
|
0.3293 |
1.7334 |
403 |
518 |
|
0.0337 |
|
|
|
20 |
301.55 |
67.46 |
0.1710 |
20.611 |
86.148 |
0.04474 |
0.18136 |
|
0.3452 |
1.7866 |
385 |
513 |
|
0.0343 |
|
|
|
25 |
325.90 |
66.19 |
0.1562 |
22.479 |
85.959 |
0.04847 |
0.17944 |
|
0.3634 |
1.8495 |
367 |
508 |
|
0.0351 |
|
|
|
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 |
|||
30 |
351.74 |
64.85 |
0.1426 |
24.396 |
85.701 |
0.05225 |
0.17745 |
|
0.3847 |
1.9250 |
349 |
502 |
|
0.0359 |
|
|
|
35 |
379.14 |
63.43 |
0.1300 |
26.375 |
85.361 |
0.05611 |
0.17536 |
|
0.4100 |
2.0176 |
332 |
495 |
|
0.0368 |
|
|
|
40 |
408.19 |
61.93 |
0.1183 |
28.434 |
84.923 |
0.06008 |
0.17314 |
|
0.4411 |
2.1338 |
314 |
488 |
|
0.0379 |
|
|
|
45 |
438.99 |
60.32 |
0.1074 |
30.598 |
84.365 |
0.06421 |
0.17074 |
|
0.4803 |
2.2840 |
296 |
481 |
|
0.0390 |
|
|
|
50 |
471.64 |
58.58 |
0.0971 |
32.901 |
83.654 |
0.06855 |
0.16813 |
|
0.5319 |
2.4859 |
277 |
472 |
|
0.0402 |
|
|
|
55 |
506.27 |
56.68 |
0.0874 |
35.389 |
82.745 |
0.07319 |
0.16520 |
|
0.6039 |
2.7721 |
257 |
463 |
|
0.0416 |
|
|
|
60 |
543.01 |
54.55 |
0.0780 |
38.138 |
81.561 |
0.07827 |
0.16182 |
|
0.7125 |
3.2100 |
236 |
452 |
|
|
|
|
|
65 |
581.99 |
52.08 |
0.0688 |
41.270 |
79.972 |
0.08400 |
0.15777 |
|
0.8981 |
3.9663 |
213 |
441 |
|
|
|
|
|
70 |
623.39 |
49.05 |
0.0594 |
45.032 |
77.695 |
0.09085 |
0.15252 |
|
1.2953 |
5.5959 |
|
|
|
|
|
|
|
75 |
667.39 |
44.71 |
0.0488 |
50.138 |
73.842 |
0.10012 |
0.14445 |
|
|
|
|
|
|
|
|
|
|
78.66 |
701.4 |
32.78 |
0.0305 |
61.455 |
61.455 |
0.1209 |
0.1209 |
inf. | inf. | inf. | 0 |
0 |
|
|
inf. | inf. | 0 |