Refrigerant Properties

Pressure – Temperature Chart

DEG.F
PSIG
R-12 R-22 R-502 R-717
DEG.F.
PSIG
R-12 R-22 R-502 R-717
-50 15.5* 6.2* 0.2* 14.3* 80 84.2 143.6 161.2 138.3
-45 13.4* 2.8* 1.9 11.7* 85 91.8 155.7 174.0 151.7
-40 11.0* 0.5 4.1 8.7* 90 100.0 168.4 187.4 165.9
-35 8.4* 2.6 6.5 5.4* 95 108.36 181.8 201.4 181.1
-30 5.5* 4.9 9.2 1.6* 100 117.2 195.9 216.2 197.2
-25 2.3* 7.4 12.1 1.3 105 126.2 210.8 231.7 214.2
-20 0.6 10.2 15.3 3.6 110 136.4 226.4 247.9 232.3
-15 2.3 13.2 18.9 6.2 115 146.8 242.8 264.9 251.5
-10 4.5 16.5 22.6 9.0 120 157.7 259.9 282.7 271.7
-5 6.8 20.1 26.7 12.2 125 169.1 277.9 301.4 293.1
0 9.2 24.0 31.1 15.7 130 181.0 296.0 320.8
5 11.8 28.2 35.9 19.6 135 193.5 316.6 341.3
10 14.7 32.8 41.0 23.8 140 206.6 337.3 362.6
15 17.7 37.7 46.5 28.4 145 220.3 358.9 384.9
20 21.0 43.0 52.6 33.5 150 234.6 381.5 408.4
25 24.6 48.8 58.8 39.0 155 249.5 405.0 632.4
30 28.5 54.9 65.6 45.0 160 265.1 429.8 458.7
35 32.6 61.5 72.8 51.6 165 281.4 455.6 485.8
40 37.0 68.5 80.5 58.6 170 298.3 482.6 514.4
45 41.7 76.0 88.7 66.3 175 315.9 510.7 544.7
50 46.7 84.0 97.4 74.5 180 334.3 540.1
55 52.0 92.6 106.6 83.4 185 353.4 570.8
60 57.7 101.6 116.4 92.9 190 373.3 602.9
65 63.8 111.3 126.7 103.1 195 393.9 636.5
70 70.2 121.4 137.6 114.1 200 415.4 671.7
75 77.0 132.2 149.1 125.8