Pres- Density, Volume, Temp., sure, lb/ft ft/lb Entropy, Btu/lb.F Specific Heat cp, Btu/lb.F Thermophysical Properties of Refrigerants Refrigerant 134a (1,1,1,2-Tetrafluoroethane) Properties of Saturated Liquid and Saturated Vapor Enthalpy, Btu/lb Viscosity, Thermal Cond., lb/ft-h Btu/h-ft-F Surface Tension, Temp.,* 30.17 Sple, Vel. of Sound, ft/s F -150 -140 -130 -120 -110 -100 0.903 94.33 -90 1.359 93.38 -80 1.993 92.42 -75 2.392 91.94 -70 2.854 91.46 -65 3.389 90.97 -60 4.002 90.49 -55 4.703 90.00 -50 5.501 89.50 -45 6.406 89.00 -40 -35 -30 -25 -20 -15 -14.93b 14.696 85.94 -10 16.632 85.43 psia Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor -153.94 0.057 99.33 568.59 -32.992 80.362 -0.09154 0.27923 0.2829 0.1399 0.072 98.97 452.12 -31.878 80.907 -0.08791 0.27629 0.2830 0.1411 0.129 98.05 260.63 -29.046 82.304 -0.07891 0.26941 0.2834 0.1443 0.221 97.13 156.50 -26.208 83.725 -0.07017 0.26329 0.2842 0.1475 0.365 96.20 97.481 -23.360 85.168 -0.06166 0.25784 0.2853 0.1508 0.583 95.27 62.763 -20.500 86.629 -0.05337 0.25300 0.2866 0.1540 41.637 -17.626 88.107 -0.04527 0.24871 0.2881 0.1573 28.381-14.736 89.599 -0.03734 0.24490 0.2898 0.1607 19.825 -11.829 91.103 -0.02959 0.24152 0.2916 0.1641 16.711 10.368 91.858 -0.02577 0.23998 0.2925 0.1658 14.161 -8.903 92.614 -0.02198 0.23854 0.2935 0.1676 12.060 -7.432 93.372 -0.01824 0.23718 0.2945 0.1694 10.321 -5.957 94.131 -0.01452 0.23590 0.2955 0.1713 8.8733 4.476 94.890 -0.01085 0.23470 0.2965 0.1731 7.6621 -2.989 95.650 -0.00720 0.23358 0.2976 0.1751 6.6438 -1.498 96.409 -0.00358 0.23252 0.2987 0.1770 7.427 88.50 5.7839 0.000 97.167 0.00000 0.23153 0.2999 0.1790 8.576 88.00 5.0544 1.503 97.924 0.00356 0.23060 0.3010 0.1811 9.862 87.49 4.4330 3.013 98.679 0.00708 0.22973 0.3022 0.1832 11.299 86.98 3.9014 4.529 99.433 0.01058 0.22892 0.3035 0.1853 12.898 86.47 3.4449 6.051 100.184 0.01406 0.22816 0.3047 0.1875 14.671 85.95 3.0514 7.580 100.932 0.01751 0.22744 0.3060 0.1898 3.0465 7.600 100.942 0.01755 0.22743 0.3061 0.1898 2.7109 9.115 101.677 0.02093 0.22678 0.3074 0.1921 1.1637 3674 416.0 1.1623 3638 418.3 1.1589 3545 424.2 1.1559 3452 429.9 1.1532 3360 435.5 1.1509 3269 440.8 1.1490 3178 446.0 1.1475 3087 450.9 1.1465 2998 455.6 1.1462 2954 457.8 1.1460 2909 460.0 1.1459 2866 462.1 1.1460 2822 464.1 1.1462 2778 466.0 1.1466 2735 467.8 1.1471 2691 469.6 1.1478 2648 471.2 1.1486 2605 472.8 1.1496 2563 474.2 1.1508 2520 475.6 1.1521 2477 476.8 1.1537 2435 477.9 1.1537 2434 477.9 1.1554 2393 478.9 Vapor Liquid Vapor Liquid Vapor Liquid Vapor dyne/cm F 5.262 0.0156 4.790 0.0159 3.880 0.0164 3.238 0.0170 2.762 0.0176 2.396 0.0182 2.105 0.0187 1.869 0.0193 1.673 0.0199 1.587 0.0201 1.509 0.0204 1.436 0.0207 1.369 0.0210 1.306 0.0212 1.248 0.0215 1.193 0.0218 1.142 0.0221 1.095 0.0223 1.050 0.0226 1.007 0.0229 0.968 0.0231 0.930 0.0234 0.929 0.0234 0.0840 0.00178 0.0832 0.00188 0.0813 0.00214 0.0794 0.00240 0.0775 0.00265 0.0757 0.00291 0.0739 0.00317 0.0722 0.00343 22.07 -90 0.0705 0.00369 21.16 -80 0.0696 0.00382 20.71 -75 0.0688 0.00395 20.26 -70 0.0680 0.00408 19.81 -65 0.0671 0.00420 19.36 -60 0.0663 0.00433 18.92 -55 0.0655 0.00446 18.47 -50 0.0647 0.00460 18.03 -45 0.0639 0.00473 17.60 -40 0.0632 0.00486 17.16 -35 0.0624 0.00499 16.73 -30 0.0616 0.00512 16.30 -25 0.0608 0.00525 15.87 -20 0.0601 0.00538 15.44 0.0601 0.00538 28.07 -153.94 27.69 -150 26.74 -140 25.79 -130 24.85 -120 23.92 -110 22.99 -100 -15 15.44 -14.93 0.894 0.0237 0.0593 0.00552 15.02 -10 -5 0 5 10 26.628 83.29 15 29.739 82.74 20 33.124 82.19 25 30 40 45 50 55 60 65 78.729 76.87 18.794 84.90 2.4154 21.171 84.37 2.1579 23.777 83.83 1.9330 1.7357 1.5623 1.4094 36.800 81.63 1.2742 40.784 81.06 1.1543 35 45.092 80.49 1.0478 49.741 79.90 0.9528 54.749 79.32 0.8680 60.134 78.72 0.7920 65.913 78.11 0.7238 72.105 77.50 0.6625 0.6072 70 75 80 85 90 95 128.65 72.88 100 110 115 120 125 130 135 140 145 150 155 85.805 76.24 0.5572 93.351 75.59 0.5120 101.39 74.94 0.4710 109.93 74.27 0.4338 119.01 73.58 0.3999 0.3690 138.85 72.17 0.3407 105 149.65 71.44 0.3148 161.07 70.69 0.2911 173.14 69.93 0.2693 185.86 69.14 0.2493 199.28 68.32 0.2308 213.41 67.49 0.2137 228.28 66.62 0.1980 243.92 65.73 0.1833 260.36 64.80 0.1697 277.61 63.83 0.1571 295.73 62.82 0.1453 10.657 102.419 0.02433 0.22615 0.3088 0.1945 12.207 103.156 0.02771 0.22557 0.3102 0.1969 13.764 103.889 0.03107 0.22502 0.3117 0.1995 15.328 104.617 0.03440 0.22451 0.3132 0.2021 16.901 105.339 0.03772 0.22403 0.3147 0.2047 18.481 106.056 0.04101 0.22359 0.3164 0.2075 20.070 106.767 0.04429 0.22317 0.3181 0.2103 21.667 107.471 0.04755 0.22278 0.3198 0.2132 23.274 108.167 0.05079 0.22241 0.3216 0.2163 24.890 108.856 0.05402 0.22207 0.3235 0.2194 26.515 109.537 0.05724 0.22174 0.3255 0.2226 28.150 110.209 0.06044 0.22144 0.3275 0.2260 29.796 110.871 0.06362 0.22115 0.3297 0.2294 31.452 111.524 0.06680 0.22088 0.3319 0.2331 33.120 112.165 0.06996 0.22062 0.3343 0.2368 34.799 112.796 0.07311 0.22037 0.3368 0.2408 36.491 113.414 0.07626 0.22013 0.3394 0.2449 38.195 114.019 0.07939 0.21989 0.3422 0.2492 39.913 114.610 0.08252 0.21966 0.3451 0.2537 41.645 115.186 0.08565 0.21944 0.3482 0.2585 43.392 115.746 0.08877 0.21921 0.3515 0.2636 45.155 116.289 0.09188 0.21898 0.3551 0.2690 46.934 116.813 0.09500 0.21875 0.3589 0.2747 48.731 117.317 0.09811 0.21851 0.3630 0.2809 50.546 117.799 0.10123 0.21826 0.3675 0.2875 52.382 118.258 0.10435 0.21800 0.3723 0.2948 54.239 118.690 0.10748 0.21772 0.3775 0.3026 56.119 119.095 0.11062 0.21742 0.3833 0.3112 58.023 119.468 0.11376 0.21709 0.3897 0.3208 59.954 119.807 0.11692 0.21673 0.3968 0.3315 61.915 120.108 0.12010 0.21634 0.4048 0.3435 63.908 120.366 0.12330 0.21591 0.4138 0.3571 65.936 120.576 0.12653 0.21542 0.4242 0.3729 1.1573 2350 479.8 0.860 0.0240 0.0586 0.00565 1.1595 2308 480.5 0.828 0.0242 0.0578 0.00578 1.1619 2266 481.1 0.798 0.0245 0.0571 0.00592 1.1645 2224 481.6 0.769 0.0248 0.0564 0.00605 1.1674 2182 482.0 0.741 0.0250 0.0556 0.00619 1.1705 2140 482.2 0.715 0.0253 0.0549 0.00632 1.1740 2098 482.2 0.689 0.0256 0.0542 0.00646 1.1777 2056 482.2 0.665 0.0258 0.0535 0.00660 11.72 30 1.1818 2014 481.9 0.642 0.0261 0.0528 0.00674 11.32 35 1.1862 1973 481.5 0.620 0.0264 0.0521 0.00688 10.92 40 1.1910 1931 481.0 0.598 0.0267 0.0514 0.00703 10.53 45 1.1961 1889 480.3 0.578 0.0270 0.0507 0.00717 10.14 1.2018 1847 479.4 0.558 0.0273 0.0500 0.00732 9.75 55 1.2079 1805 478.3 0.539 0.0275 0.0493 0.00747 9.36 60 1.2145 1763 477.0 0.520 0.0278 0.0486 0.00762 1.2217 1721 475.6 0.503 0.0281 0.0479 0.00777 1.2296 1679 474.0 0.485 0.0284 0.0472 0.00793 1.2382 1636 472.2 0.469 0.0287 0.0465 0.00809 1.2475 1594 470.1 0.453 0.0291 0.0458 0.00825 1.2578 1551 467.9 0.437 0.0294 0.0451 0.00842 1.2690 1509 465.4 0.422 0.0297 0.0444 0.00860 1.2813 1466 462.7 0.407 0.0301 0.0437 0.00878 1.2950 1423 459.8 0.393 0.0304 0.0431 0.00897 1.3101 1380 456.7 0.378 0.0308 0.0424 0.00916 1.3268 1337 453.2 0.365 0.0312 0.0417 0.00936 1.3456 1294 449.6 0.351 0.0316 0.0410 0.00958 1.3666 1250 445.6 0.338 0.0320 0.0403 0.00981 1.3903 1206 441.4 0.325 0.0324 0.0396 0.01005 1.4173 1162 436.8 0.313 0.0329 0.0389 0.01031 1.4481 1117 432.0 0.301 0.0334 0.0382 0.01058 1.4837 1072 426.8 0.288 0.0339 0.0375 0.01089 1.5250 1027 421.2 0.276 0.0344 0.0368 0.01122 1.5738 980 415.3 0.264 0.0350 0.0361 0.01158 14.60 -5 14.18 13.76 0 5 13.35 10 12.94 15 12.53 20 12.12 25 50 8.98 65 8.60 70 8.23 75 7.86 80 7.49 85 7.13 90 6.77 95 6.41 100 6.06 105 5.71 110 5.36 115 5.03 120 4.69 125 4.36 130 4.04 135 3.72 140 3.40 145 3.09 150 2.79 155 160 314.73 61.76 0.1343 165 170 175 180 185 424.36 55.38 190 449.52 53.76 334.65 60.65 0.1239 355.53 59.47 0.1142 377.41 58.21 0.1051 400.34 56.86 0.0964 0.0881 0.0801 195 200 475.91 51.91 503.59 49.76 0.0647 205 532.68 47.08 0.0567 210 563.35 43.20 0.0477 213.91 588.75 31.96 0.0313 0.0724 94.530 113.746 103.894 103.894 68.005 120.731 0.12979 0.21488 0.4362 0.3914 1.6318 934 409.1 70.118 120.823 0.13309 0.21426 0.4504 0.4133 1.7022 886 402.4 72.283 120.842 0.13644 0.21356 0.4675 0.4400 1.7889 837 395.3 74.509 120.773 0.13985 0.21274 0.4887 0.4733 1.8984 786 387.7 76.807 120.598 0.14334 0.21180 0.5156 0.5159 2.0405 734 379.6 79.193 120.294 0.14693 0.21069 0.5512 0.5729 2.2321 680 371.0 0.194 0.0403 81.692 119.822 0.15066 0.20935 0.6012 0.6532 2.5041 624 361.8 0.182 0.0417 84.343 119.123 0.15459 0.20771 0.6768 0.7751 2.9192 565 352.0 0.169 0.0435 87.214 118.097 0.15880 0.20562 0.8062 0.9835 3.6309 502 341.3 0.155 0.0457 90.454 116.526 0.16353 0.20275 1.0830 1.4250 5.1360 436 329.4 0.140 0.0489 0.16945 0.19814 2.1130 3.0080 10.5120 363 315.5 0.120 0.0543 0.18320 0.18320 0.0 0.253 0.0357 0.0354 0.01199 0.241 0.0364 0.229 0.0372 0.218 0.0381 0.206 0.0391 2.50 160 0.0346 0.01245 0.0339 0.01297 0.0332 0.01358 0.0325 0.01430 0.0318 0.01516 0.0311 0.01623 0.0304 0.01760 0.0300 0.01949 0.0300 0.02240 2.21 165 1.93 170 1.66 1.39 180 1.14 185 175 0.90 190 0.67 195 0.45 200 0.26 205 0 0.0316 0.02848 00 0.09 210 00 0.00 213.91 *Temperatures on ITS-90 scale "Triple point bNormal boiling point "Critical point 30.18 Pressure 14.696 psia Saturation temperature--14.92F 2021 ASHRAE Handbook-Fundamentals Refrigerant 134a Properties of Superheated Vapor Pressure -25.00 psia Saturation temperature -7.22F Pressure 50.00 psia Saturation temperature -40.29F F Saturated Temp.,* Density, Enthalpy, Entropy, Vel. Sound, Temp., lb/ft Btu/lb Btu/lb.F ft/s Liquid 85.7972 7.53 0.01739 2451.2 Vapor 0.3283 100.81 0 0.3158 103.62 0.22713 478.0 0.23335 F Saturated Liquid Vapor lb/ft ft/s Density, Enthalpy, Entropy, Vel. Sound, Temp.,* Density, Enthalpy, Entropy, Vel. Sound, Btu/lb Btu/lb F lb/ft Btu/lb Btu/lb.F ft/s 83.4823 0.5426 14.32 0.03224 104.07 0.22446 2263.9 481.5 F Saturated Liquid 79.8125 Vapor 1.0545 24.79 0.05377 108.74 0.22170 1982.3 481.7 487.2 20 0.3008 107.45 0.24149 499.0 20 0.5245 106.60 0.22982 489.9 40 0.2874 111.34 0.24944 510.2 40 0.4991 110.61 0.23800 502.4 60 0.2753 115.31 0.25723 521.0 60 0.4765 114.66 0.24596 514.1 60 80 0.2642 119.35 0.26486 531.5 80 0.4563 118.78 0.25373 525.4 80 100 0.2541 123.47 0.27236 541.6 100 0.4379 122.96 0.26135 536.2 100 120 0.2448 127.68 0.27974 551.4 120 0.4212 127.22 0.26881 546.6 120 0.9982 113.00 0.23005 0.9489 117.32 0.23822 0.9055 0.8670 126.07 496.2 509.8 121.68 0.24614 522.5 0.25385 534.5 140 0.2362 131.96 0.28700 561.0 140 0.4058 131.55 0.27615 556.7 140 0.8322 130.51 0.26139 545.8 160 0.2282 136.32 0.29416 570.4 160 0.3916 135.95 180 0.2208 140.77 0.30122 579.5 180 0.3786 0.28337 140.43 0.29048 566.5 160 0.8008 135.01 0.26877 556.7 576.0 180 0.7718 139.57 0.27601 567.2 200 0.2139 145.30 0.30819 588.5 200 0.3663 144.98 0.29750 585.3 200 0.7454 144.20 0.28313 577.4 220 0.2074 149.90 0.31507 597.3 220 0.3549 149.61 0.30441 594.4 220 0.7208 240 0.2013 154.59 0.32187 606.0 240 0.3443 154.32 0.31124 603.3 240 0.6980 260 0.1955 159.36 0.32858 614.5 260 280 0.1901 164.20 0.33522 622.8 280 0.3343 159.10 0.3248 163.96 0.31798 612.0 260 300 0.1850 169.12 0.34178 631.1 300 0.3160 168.90 0.32464 0.33122 620.6 280 629.0 300 148.89 0.29014 153.65 0.29704 0.6768 158.48 0.30385 0.6569 163.38 0.31056 0.6383 168.35 0.31719 587.2 596.8 606.1 615.2 624.1 Pressure 75.00 psia - Saturation temperature = 62.24F - Pressure 100.00 psia Saturation temperature -79.17F F Saturated Temp., Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb. F ft/s Liquid 77.1862 31.98 0.06775 Vapor 1.5686 111.67 0.22042 1793.6 478.1 F Saturated Liquid Temp., Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s F Saturated - Pressure 125.00 psia Saturation temperature=93.15F Temp.,* Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s Vapor 80 1.4873 115.74 0.22809 492.7 80 75.0245 37.69 0.07840 2.0917 113.78 0.21960 2.0858 113.98 0.21998 1646.8 472.8 473.6 Liquid 73.1279 42.53 0.08715 Vapor 2.6279 115.41 1524.7 0.21898 466.7 100 1.4092 120.30 0.23639 507.7 100 1.9576 118.80 0.22874 491.6 100 2.5638 117.16 0.22212 473.9 120 1.3416 124.85 0.24439 521.6 120 1.8509 123.55 0.23709 507.8 120 140 1.2822 129.43 0.25215 534.5 140 1.7597 128.29 0.24512 522.4 140 160 1.2294 134.04 0.25971 546.6 160 1.6800 133.02 0.25288 536.0 160 2.4025 122.16 2.2694 127.08 2.1561 131.96 0.24725 0.23090 492.9 0.23924 509.7 525.0 180 1.1817 138.69 0.26710 558.2 180 1.6094 137.78 0.26044 548.8 180 200 1.1383 143.39 0.27434 569.2 200 1.5463 142.57 0.26781 560.8 200 2.0577 136.83 1.9710 141.71 0.26250 0.25498 539.0 552.2 220 1.0984 148.15 0.28145 579.8 220 1.4891 147.40 0.27502 572.3 220 1.8935 146.62 0.26983 564.6 240 1.0620 152.97 0.28843 590.1 240 1.4368 152.27 0.28210 583.3 240 260 1.0280 157.85 0.29531 600.0 260 1.3886 280 0.9966 162.79 0.30208 609.7 280 1.3444 300 0.9671 167.80 0.30876 619.0 300 1.3031 167.24 157.21 162.19 0.29588 0.30261 0.28905 593.9 260 604.1 280 614.0 300 1.8233 151.56 0.27700 1.7592 156.55 0.28402 1.7006 161.59 1.6463 166.67 576.4 587.6 0.29093 598.4 0.29771 608.8 320 0.9398 172.87 0.31535 628.2 320 1.2647 172.35 0.30925 623.6 320 1.5959 171.82 0.30440 618.9 340 0.9138 178.01 0.32186 637.1 340 1.2287 177.52 0.31579 632.9 340 1.5492 177.02 0.31098 628.7 360 0.8895 183.21 0.32828 645.9 360 1.1950 182.75 0.32225 642.1 360 380 0.8665 188.48 0.33463 654.5 380 1.1633 400 0.8448 193.82 0.34091 662.9 400 1.1334 188.04 193.39 0.33494 0.32863 651.0 380 659.8 400 1.5055 1.4644 187.59 1.4258 192.97 182.27 0.31747 638.2 0.32388 647.5 0.33021 656.6 Pressure 150.00 psia Saturation temperature -105.17F Temp., Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s Pressure 175.00 psia Saturation temperature - 115.76F Temp., Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s Pressure 200.00 psia - Saturation temperature -125.27F Temp., Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s F Saturated F Saturated Liquid 71.4013 Vapor 3.1801 46.78 0.09464 116.71 0.21844 1419.1 460.0 69.7902 Liquid Vapor 3.7511 117.76 0.21794 50.62 0.10126 1325.3 453.0 F Saturated Liquid 68.2602 Vapor 4.3437 54.14 118.61 0.10721 1240.5 0.21743 445.6 120 3.0077 120.64 0.22530 476.6 120 140 2.8181 125.78 0.23403 496.0 140 3.6836 3.4148 118.95 124.38 0.21999 458.4 0.22921 481.3 140 4.0726 122.86 0.22460 465.2 160 2.6620 130.83 0.24231 513.3 160 180 2.5295 135.83 0.25026 528.9 180 3.0271 3.2025 129.64 134.79 0.23783 500.9 160 3.7850 128.36 0.23363 487.8 0.24602 518.3 180 3.5561 133.70 0.24210 507.2 200 2.4146 140.82 0.25794 543.3 200 220 2.3132 145.82 0.26539 556.7 220 240 2.2223 150.83 0.27267 569.3 240 260 2.1401 155.88 0.27978 581.3 260 2.5328 2.8785 139.90 0.25388 2.7494 144.99 0.26148 2.6349 150.08 0.26887 155.19 534.0 200 3.3656 138.94 0.25018 524.5 548.5 220 3.2036 144.14 0.25793 540.2 562.1 240 3.0623 149.31 0.26544 554.7 0.27607 574.8 260 2.9371 154.50 0.27274 568.3 280 2.0658 160.97 0.28675 592.7 280 2.4403 160.34 0.28312 586.9 280 2.8247 159.69 0.27987 581.1 300 1.9971 166.10 0.29360 603.7 300 2.3558 165.51 0.29003 598.5 300 320 1.9338 171.28 0.30033 614.2 320 2.2785 170.73 0.29681 609.5 320 2.7234 164.92 0.28684 2.6305 170.18 0.29368 593.2 604.8 340 1.8751 176.51 0.30696 624.5 340 2.2071 176 0.30348 620.2 340 2.5455 175.49 0.30039 615.9 360 1.8208 181.80 0.31349 634.4 360 2.1411 380 1.7695 187.14 0.31993 644.0 380 2.0795 400 1.7216 192.54 0.32628 653.4 400 2.0216 181.32 0.31004 186.69 0.31651 192.11 0.32290 630.5 360 2.4668 180.83 0.30700 626.7 640.5 380 650.3 400 420 1.6766 198.00 0.33256 662.6 420 1.9675 197.59 0.32920 659.7 420 440 1.6341 203.51 0.33876 671.6 440 1.9164 203.12 0.33542 669.0 440 2.3934 186.23 0.31350 2.3254 191.68 2.2614 197.18 2.2017 202.73 0.33248 637.0 0.31991 647.1 0.32624 656.9 666.4 460 1.5940 209.08 0.34488 680.4 460 1.8683 208.71 0.34156 678.0 460 2.1453 208.34 0.33864 675.7 480 500 220.40 1.5558 214.71 0.35094 1.5197 689.0 480 0.35692 697.4 500 1.8228 1.7797 214.36 220.05 0.34763 0.35363 686.9 695.6 480 2.0920 214.00 0.34473 684.8 500 2.0417 219.71 0.35075 693.7 *Temperatures on ITS-90 scale F Saturated F Saturated Pressure =225.00 psia Refrigerant 134a Properties of Superheated Vapor (Concluded) Saturation temperature = 133.93F Pressure = 250.00 psia Saturation temperature = 141.89F Temp., Density, Enthalpy, Entropy, Vel. Sound, Temp.,* Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s lb/ft Btu/lb Btu/lb.F ft/s Pressure = 275.00 psia Saturation temperature = 149.27F Temp.,* Density, Enthalpy, Entropy, Vel. Sound, F lb/ft Btu/lb Btu/lb.F ft/s Saturated Liquid 66.7870 57.42 0.11266 1162.8 Vapor 4.9609 119.30 0.21690 140 4.8123 121.16 0.22002 Liquid 438.1 Vapor 65.3526 60.50 0.11770 5.6060 119.84 0.21634 1090.7 Liquid 430.3 Vapor 63.9423 63.43 0.12241 6.2831 120.25 0.21572 1023.4 422.3 447.3 160 4.4191 126.99 0.22959 473.6 160 5.1189 125.49 0.22560 458.2 160 5.9060 123.82 0.22155 441.2 180 4.1206 132.54 0.23840 495.5 180 4.7275 200 3.8796 137.94 0.24671 514.6 200 4.4239 131.31 0.23484 136.89 0.24343 483.1 180 504.2 200 220 3.6784 240 260 153.78 143.25 3.5058 148.52 0.26229 3.3542 0.25465 531.6 220 4.1756 142.34 0.25156 522.8 220 5.3869 129.98 0.23133 5.0031 135.78 0.24026 4.6978 141.38 0.24862 469.9 493.4 513.7 547.2 240 3.9664 147.71 0.25935 539.5 240 4.4465 146.87 0.25658 531.7 0.26970 561.6 260 3.7854 153.05 0.26688 554.9 260 4.2314 152.30 0.26423 548.0 280 3.2202 159.04 0.27691 575.1 280 3.6265 158.37 0.27418 569.2 280 4.0446 157.69 0.27162 563.1 300 3.0995 164.32 0.28395 587.9 300 3.4847 163.71 0.28129 582.6 300 3.8803 163.08 0.27881 577.2 320 2.9899 169.62 0.29084 600.0 320 3.3571 169.06 0.28824 595.3 320 3.7317 168.49 0.28583 590.5 340 2.8897 174.97 0.29761 611.7 340 360 2.7978 180.35 0.30425 622.8 360 380 2.7122 185.77 0.31079 633.6 380 3.0359 400 2.6330 191.24 0.31723 644.0 400 2.9451 3.2408 3.1342 179.85 185.31 190.81 0.31479 174.44 0.29506 607.4 340 3.5987 173.91 0.29270 603.1 0.30175 618.9 360 3.4764 179.36 0.29943 615.1 0.30832 630.1 380 640.8 400 420 2.5592 196.77 0.32358 654.0 420 2.8604 196.35 0.32117 651.2 420 440 2.4900 202.34 0.32984 663.9 440 2.7813 201.94 0.32745 661.3 440 460 2.4249 207.96 0.33603 673.4 460 2.7072 480 2.3636 213.64 0.34213 682.8 480 500 2.3057 219.36 0.34816 691.9 500 2.6374 213.27 2.5717 219.02 207.58 0.33365 0.33977 671.1 460 3.3646 3.2612 190.37 0.31254 3.1653 195.93 0.31894 3.0758 201.55 0.32525 2.9922 207.20 0.33147 184.84 0.30604 626.6 637.7 648.4 658.8 668.9 680.7 480 2.9136 212.91 0.33761 678.7 0.34582 690.1 500 2.8397 218.67 0.34368 688.3 Pressure 300.00 psia Saturation temperature = 156.16F Pressure 325.00 psia = Saturation temperature = 162.62F Pressure 350.00 psia Saturation temperature 168.71F Temp., F Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s Saturated Liquid 62.5436 66.23 0.12686 959.8 Vapor 6.9967 120.54 0.21505 414.2 F Saturated Liquid Vapor Temp., Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s Temp., F Saturated Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s 61.1446 68.92 0.13110 7.7526 120.71 0.21431 899.5 405.9 Liquid 59.7334 71.54 0.13516 Vapor 8.5577 120.76 0.21349 841.7 397.5 160 6.8168 121.92 0.21730 422.0 180 6.1118 128.55 0.22782 455.8 180 200 5.6239 134.61 0.23715 482.1 200 220 5.2494 140.39 0.24578 504.3 220 5.8341 240 4.9472 146.00 0.25393 523.7 240 5.4723 6.9220 126.96 0.22423 440.3 6.2928 133.36 0.23408 470.2 139.34 0.24301 494.5 0.25136 180 200 220 260 4.6939 151.52 0.26171 541.1 260 5.1741 145.10 150.73 0.25930 515.5 240 534.0 260 280 4.4758 157.00 0.26921 557.0 280 4.9208 156.29 0.26692 550.9 280 300 4.2852 162.45 0.27649 571.8 300 4.7017 161.81 0.27428 566.4 300 320 4.1160 167.90 0.28357 585.7 320 4.5082 167.31 0.28144 580.9 320 340 3.9631 173.37 0.29049 598.8 340 4.3352 172.82 0.28841 594.5 340 360 3.8247 178.85 0.29727 611.2 360 4.1790 178.35 0.29524 607.4 360 380 3.6981 184.37 0.30392 623.1 380 4.0368 183.90 0.30193 619.7 380 400 3.5816 189.92 0.31045 634.6 400 3.9063 189.48 0.30849 631.5 400 7.8491 7.0242 6.4561 138.24 0.24029 6.0219 144.17 0.24888 5.6728 149.91 0.25698 5.3805 155.56 0.26472 544.7 5.1295 161.15 4.9098 166.72 4.7148 172.27 4.5396 177.84 0.29332 4.3807 183.42 4.2355 189.03 125.18 0.22046 423.2 132.01 0.23098 457.6 484.4 507.1 526.9 0.27218 561.0 0.27941 576.1 0.28644 590.2 603.6 0.30005 616.3 0.30665 628.4 420 440 3.4737 3.3735 201.15 195.51 0.31688 645.6 420 3.7859 195.09 0.31495 642.8 420 4.1019 194.67 0.31313 640.1 0.32321 656.3 440 3.6743 200.75 0.32131 653.8 440 3.9784 200.35 0.31952 651.4 460 3.2799 206.83 0.32945 666.6 460 3.5703 206.44 0.32757 664.4 460 480 3.1922 212.55 0.33561 676.7 480 3.4731 500 3.1098 218.32 0.34169 686.5 500 3.3819 212.19 217.97 0.33984 0.33375 674.7 480 684.7 500 3.8636 206.06 3.7564 211.82 3.6561 217.62 0.33811 0.32580 662.2 0.33199 672.8 683.0 Pressure 375.00 psia Saturation temperature -174.46F Pressure 400.00 psia Saturation temperature -197.93F F Saturated Temp., Density, Enthalpy, Entropy, Vel. Sound, Temp., lb/ft Btu/lb Btu/lb.F ft/s F Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F Temp., ft/s F Pressure 600.00 psia Saturation temperature n/a (supercritical) Density, Enthalpy, Entropy, Vel. Sound, lb/ft Btu/lb Btu/lb.F ft/s Saturated Liquid 58.2974 74.09 0.13908 785.9 Vapor 9.4209 120.69 0.21256 389.0 180 8.9498 123.10 0.21634 403.8 Liquid 56.8213 Vapor 10.3541 180 76.60 0.14289 731.8 120.50 0.21152 380.4 10.3454 120.53 0.21158 380.6 200 7.8311 130.54 0.22781 444.1 200 220 7.1211 137.08 0.23758 474.0 220 8.7370 7.8399 135.85 128.93 0.22451 429.5 0.23484 463.0 220 19.6784 118.27 0.20421 340.3 240 6.6028 143.19 0.24644 498.5 240 7.2145 142.18 0.24403 489.7 240 14.2159 131.50 0.22343 409.1 260 6.1926 149.07 0.25473 519.6 260 6.7351 148.21 0.25252 512.3 260 12.2674 139.92 0.23530 449.7 280 5.8555 154.82 0.26260 538.4 280 6.3472 154.06 0.26055 532.1 280 300 5.5694 160.49 0.27016 555.5 300 6.0221 159.81 0.26821 550.0 300 320 5.3212 166.11 0.27747 571.3 320 5.7425 340 5.1022 171.72 0.28457 586.0 340 360 4.9066 177.32 0.29149 599.8 360 165.49 5.4977 171.15 0.28277 5.2802 176.80 0.28975 0.27560 566.5 320 581.7 340 596.0 360 380 4.7300 182.94 0.29826 612.9 380 5.0848 182.45 0.29656 609.5 380 11.0672 147.15 10.2049 153.83 9.5351 160.21 0.26241 8.9895 166.39 0.27024 8.5305 172.45 0.27774 8.1351 178.45 0.28496 0.24522 480.8 0.25413 506.7 529.2 549.2 567.5 584.4 400 4.5692 188.58 0.30490 625.4 400 4.9075 188.12 0.30323 622.4 400 420 4.4217 194.24 0.31141 637.4 420 4.7454 193.82 0.30978 634.7 420 7.7885 7.4804 440 4.2857 199.94 0.31782 648.9 440 4.5964 199.54 0.31621 646.5 440 460 4.1596 205.68 0.32413 660.1 460 4.4584 205.30 0.32254 657.9 460 480 4.0421 211.46 0.33034 670.8 480 4.3303 211.09 0.32878 669.0 480 500 3.9323 217.28 0.33647 681.3 500 4.2107 216.93 0.33492 679.6 500 184.40 0.29197 190.34 7.2035 196.26 6.9523 202.20 0.31198 6.7229 208.15 0.31838 6.5118 214.12 0.32467 600.1 0.29879 615.0 0.30546 629.0 642.4 655.3 667.6 *Temperatures on ITS-90 scale PRESSURE, psia 2 -20 0 20 40 60 2000 1000 800 600 400 200 100 80 60 40 20 10 86 4 1 -20 -0.04 200-- R-134a (1,1,1,2-furethane) Reference state: --80F h-00 Btub, -0.00" for saturated liquid at -40F 09- --90- 40 -20 085- 20 40. 0.00- -0.02- 01- 900- 100 02. 0 Properties computed with: NIST REFPROP version 7.0 20 20 EO 08 09 40 -20 0.08- -0.10 8-810--8- 04 0,5 40 40 T=20F 0 60 0.14- -0.16- -0.18- 0.20- 0.22 40 60 80 80 100 120 140 160 180 60 80 100 80 55 50 40 30 p=20 b cp 15 1801 160 140 120 80 100 120 140 ENTHALPY, Btu/lb 0- 160 0.38 180 80 N 200 2000 1000 10 800 8.0 600 6.0 400 4.0 99 3.0 200 2.0 1.5 100 1.0 0.80 8 8 8 0.60 40 0.40 0.30 20 0.20 20 0.15 10 0.10 8 0.080 6 0.060 4 0.040 0.030 2 0.020 0.015 1 200 Based on formulation of Tilliner-Roth and Baehr (1994)