T Vapor Pressure (KPA) T Vapor Pressure (PSIA)
(°C) Ref. 1 Ref. 2 Ref. 3
Average
Ref. 2 & 3 (°F) Ref. 2 Ref. 3
Average Ref.
2 & 3
-56.6 50.662 50.78 51.01 50.89 -69.9 7.37 7.40 7.38
-55.6 53.329 53.46 53.69 53.57 -68.1 7.75 7.79 7.77
-42.05 101.325 101.19 101.49 101.34 -43.8 14.68 14.72 14.70
-42.1 101.325 101.41 101.72 101.57 -43.7 14.71 14.75 14.73
-25.6 202.650 198.68 198.91 198.80 -14.1 28.82 28.85 28.83
-25.1 202.650 202.55 202.77 202.66 -13.2 29.38 29.41 29.39
-13.8 303.975 303.45 303.56 303.51 7.1 44.01 44.03 44.02
-13.0 312.04 312.14 312.09 8.6 45.26 45.27 45.27
-12.0 322.75 322.85 322.80 10.4 46.81 46.83 46.82
-11.0 333.74 333.84 333.79 12.2 48.41 48.42 48.41
-10.0 345.01 345.10 345.05 14.0 50.04 50.05 50.05
-9.0 356.55 356.65 356.60 15.8 51.71 51.73 51.72
-8.0 368.38 368.48 368.43 17.6 53.43 53.44 53.44
-7.0 380.50 380.61 380.56 19.4 55.19 55.20 55.20
-6.0 392.92 393.04 392.98 21.2 56.99 57.01 57.00
-5.1 405.300 404.35 404.48 404.41 22.8 58.65 58.66 58.66
-5.0 405.63 405.76 405.70 23.0 58.83 58.85 58.84
-4.0 418.65 418.80 418.72 24.8 60.72 60.74 60.73
-3.0 431.97 432.14 432.05 26.6 62.65 62.68 62.66
-2.0 445.60 445.80 445.70 28.4 64.63 64.66 64.64
-1.0 459.54 459.78 459.66 30.2 66.65 66.69 66.67
0.0 473.81 474.08 473.94 32.0 68.72 68.76 68.74
Figure 6-1.
Vapor Pressure of Propane
(-56.6–0 °C; -69.9–32 °F).
PN 903-8797, Rev A
Functional Verication | 6-5
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