Ammonia Chart

P/T Chart - Ammonia

For Ammonia (NH3)

Italicized pressure values (in red) represent inches of Mercury (vacuum).

Temp Pressure     Temp Pressure     Temp Pressure     Temp Pressure
°F PSIA PSIG °F PSIA PSIG °F PSIA PSIG °F PSIA PSIG
-60 5.6 18.6 -14 21.4 6.7 31 61.0 46.3 76 143.0 128.3
-58 5.9 17.8 -13 22.0 7.3 32 62.3 47.6 77 145.4 130.7
-57 6.1 17.4 -12 22.6 7.9 33 63.6 48.9 78 147.9 133.2
-56 6.3 17.0 -11 23.2 8.4 34 64.9 50.2 79 150.5 135.8
-55 6.5 16.6 -10 23.7 9.0 35 66.3 51.6 80 153.0 138.3
-54 6.8 16.2 -9 24.4 9.6 36 67.6 52.9 81 155.6 140.9
-53 7.0 15.7 -8 25.0 10.3 37 69.0 54.3 82 158.3 143.6
-52 7.2 15.3 -7 25.6 10.9 38 70.4 55.7 83 161.0 146.3
-51 7.4 14.8 -6 26.3 11.6 39 71.9 57.2 84 163.7 149.0
-50 7.7 14.3 -5 26.9 12.2 40 73.3 58.6 85 166.4 151.7
-49 7.9 13.8 -4 27.6 12.9 41 74.8 60.1 86 169.2 154.5
-48 8.2 13.3 -3 28.3 13.6 42 76.3 61.6 87 172.0 157.3
-47 8.4 12.8 -2 29.0 14.3 43 77.8 63.1 88 174.8 160.1
-46 8.7 12.2 -1 29.7 15.0 44 79.4 64.7 89 177.7 163.0
-45 9.0 11.7 0 30.4 15.7 45 81.0 66.3 90 180.6 165.9
-44 9.2 11.1 1 31.2 16.5 46 82.6 67.8 91 183.6 168.9
-43 9.5 10.6 2 31.9 17.2 47 84.2 69.5 92 186.6 171.9
-42 9.8 10.0 3 32.7 18.0 48 85.8 71.1 93 189.6 174.9
-41 10.1 9.3 4 33.5 18.8 49 87.5 72.8 94 192.7 178.0
-40 10.4 8.7 5 34.3 19.6 50 89.2 74.5 95 195.8 181.1
-39 10.7 8.1 6 35.1 20.4 51 90.9 76.2 96 198.9 184.2
-38 11.0 7.4 7 35.9 21.2 52 92.7 78.0 97 202.1 187.4
-37 11.4 6.8 8 36.8 22.1 53 94.4 79.7 98 205.3 190.6
-36 11.7 6.1 9 37.6 22.9 54 96.2 81.5 99 208.6 193.9
-35 12.1 5.4 10 38.5 23.8 55 98.1 83.4 100 211.9 197.2
-34 12.4 4.7 11 39.4 24.7 56 99.9 85.2 101 215.2 200.5
-33 12.8 3.9 12 40.3 25.6 57 101.8 87.1 102 218.6 203.9
-32 13.1 3.2 13 41.2 26.5 58 103.7 89.0 103 222.0 207.3
-31 13.5 2.4 14 42.2 27.5 59 105.6 90.9 104 225.4 210.7
-30 13.9 1.6 15 43.1 28.4 60 107.6 92.9 105 228.9 214.2
-29 14.3 0.8 16 44.1 29.4 61 109.6 94.9 106 232.5 217.8
-28 14.7 0.0 17 45.1 30.4 62 111.6 96.9 107 236.0 221.3
-27 15.1 0.4 18 46.1 31.4 63 113.6 98.9 108 239.7 225.0
-26 15.6 0.8 19 47.2 32.5 64 115.7 101.0 109 243.3 228.6
-25 16.0 1.3 20 48.2 33.5 65 117.8 103.1 110 247.0 232.3
-24 16.4 1.7 21 49.3 34.6 66 120.0 105.3 111 250.8 236.1
-23 16.9 2.2 22 50.4 35.7 67 122.1 107.4 112 254.5 239.8
-22 17.3 2.6 23 51.5 36.8 68 124.3 109.6 113 258.4 243.7
-21 17.8 3.1 24 52.6 37.9 69 126.5 111.8 114 262.2 247.5
-20 18.3 3.6 25 53.7 39.0 70 128.8 114.1 115 266.2 251.5
-19 18.8 4.1 26 54.9 40.2 71 131.1 116.4 116 270.1 255.4
-18 19.3 4.6 27 56.1 41.4 72 133.4 118.7 117 274.1 259.4
-17 19.8 5.1 28 57.3 42.6 73 135.7 121.0 118 278.2 263.5
-16 20.3 5.6 29 58.5 43.8 74 138.1 123.4 119 282.3 267.6
-15 20.9 6.2 30 59.7 45.0 75 140.5 125.8 120 286.4 271.7


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