Pressure - Temperature information / R-134A

Select a refrigerant to view its boiling point, liquid density and pressure/temperature.




Refrigerant Boiling Point


High Pressure

Refrigerant BP
R-134A 1,1,1,2-Tetrafluoroethane R-134a -15.1°F



Liquid Density

Refrigerant -80°F -40°F 0°F 40°F 80°F 120°F
R-134A #/cu. ft.
#/gal.
92.4
12.4
88.5
11.8
84.4
11.3
79.9
10.7
75.0
10.0
69.2
9.3



Pressure Temperature Charts

Vapor Pressure in PSIG In Vacuum (inches in Hg)

High Pressure

°C °F R-134a
-45.6 -50
-42.8 -45
-40 -40 14.8
-37.2 -35 12.5
-34.4 -30 9.9
-31.7 -25 6.9
-28.9 -20 3.7
-26.1 -15 0.6
-23.3 -10 1.9
-20.6 -5 4.0
-17.8 0 6.5
-15 5 9.1
-12.2 10 11.9
-9.4 15 15.0
-6.7 20 18.4
-3.9 25 22.1
-1.1 30 26.1
1.7 35 30.4
4.4 40 35.0
7.2 45 40.1
10 50 45.5
12.8 55 51.3
15.6 60 57.5
18.3 65 64.1
21.1 70 71.2
23.9 75 78.8
26.7 80 86.8
29.4 85 95.4
32.2 90 104.0
35 95 114.0
37.8 100 124.0
40.6 105 135.0
43.3 110 147.0
46.1 115 159.0
48.9 120 171.0
51.7 125 185.0
54.4 130 199.0
57.2 135 214.0
60 140 229.0
62.8 145 246.0
65.6 150 263.0