Table Refrigerant R71 Ammonia) Saturation Properties Temperature Saturation Temperature Saturation Pressure Volume Vapour V g Density Liquid /V f Enthalpy kJ/kg Entropy kJ/kg 53.8 .2270 28.8 13.3 236.8 450. .8301 .244 73. .2195 27.4 18.0 233.0 451. .8466 .232 94.0 .2123 26.0 22.7 229.2 45 .8631 .220 15.0 .2054 24.6 27. 225. 452. .8796 .207 36.5 .1987 23.2 32.0 221.7 453. .8960 .195 58.6 .1923 21.7 36.7 217.9 454. .9124 .183 81.3 .1862 20.3 41.4 214.1 455. .9287 .171 04.6 .1803 18.9 46. 210. 456. .9450 .159 28.5 .1746 17.4 50.9 206.2 457. .9613 .147 53.0 .1691 16.0 55.6 202.3 45 .9775 .135 78.1 .1638 14.5 60.3 198.4 458. .9937 .124 03.9 .1587 13.1 65.1 194.3 459. .009 .112 30.3 .1539 11.6 69.8 190.4 460. .026 .100 57.4 .149 10. 74.6 186.3 46 .042 .089 85.2 .1446 08.7 79.3 182.3 461. .058 .077 13.6 .1402 07.2 84.1 178.2 462. .074 .066 42.8 .1360 05.7 88.9 174.0 46 .090 .054 72.6 .1320 04.2 93. 169. 463. .106 .043 003. .1280 02.7 98. 165. 464. .122 .032 034. .1243 01.2 03. 161. 464. .13 .020 066. .1206 99.7 08.1 157.2 465. .153 .009 099. .1171 98.2 12.9 153.0 46 .169 .998 132. .1137 96. 17.7 148.7 466. .185 .987 167. .1104 95.1 22.5 144.4 46 .201 .976 202. .1072 93.6 27.4 140.0 467. .217 .965 238. .1042 92.0 32.2 135.6 467. .232 .954 274. .1012 90.5 37.1 131.2 468. .248 .943 312. .09839 88.9 42.0 126.7 468. .264 .932 350. .09563 87. 46. 122. 469. .279 .921 39 .09295 85.8 51.7 117.7 469. .295 .91 43 .0903 84.2 56. 113. 469. .311 .900 470. .08786 82.6 61.6 108.5 470. .326 .889 512. .08544 81.0 66.5 103.9 470. .342 .878 555. .08310 79.4 71.4 099.2 470. .357 .868 59 .08083 77.8 76.4 094.5 47 .373 .857 643. .07863 76. 81.3 089.8 471. .388 .84 68 .07650 74.5 86.3 085.0 471. .404 .836 735. .07444 72.9 91.3 080.1 471. .419 .825 782. .0724 71.2 96.3 075.3 471. .435 .815 83 .07051 69.6 01.3 070.4 471. .450 .804 880. .0686 67.9 06.3 065.4 471. .466 .794 PanGlobal Training Systems Refrigeration Tables °C kPa m kg kg/m³ h f h fg h g s f s g