Refrigerant R134a Properties Thermodynamic properties refrigerant R-134a Sponsored Links
1,1,1,2-Tetrafluoroethane, R-134a Genetron 134a Suva 134a HFC-134a
is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. R-134a has the formula CH2FCF3.
Temperature
Pressure
Density
Specific Volume
Enthalpy (Btu/lb.)
(lb./cu.ft.)
(cu.ft./lb.)
Liquid
Vapor
(oF)
(psia)
(psig) (*inches mercury below one atmosphere)
-150
0.07107
29.776*
102.34
457.07
-32.781
80.212
-125
0.28333
29.344*
99.64
123.44
-25.383
83.716
-100
0.89915
28.090*
96.89
41.52
-17.939
87.245
-75
2.3866
25.062*
94.09
16.56
-10.472
90.760
-50
5.4966
18.730*
91.22
7.56
-2.995
94.248
-25
11.2964
6.9214*
88.28
3.83
4.503
97.721
-15
14.6686
0.0555*
87.08
2.99
7.518
99.109
-10
16.6293
1.9334
86.47
2.66
9.030
99.804
-5
18.7906
4.0947
85.86
2.37
10.546
100.499
0
21.1665
6.4706
85.25
2.12
12.067
101.195
5
237710
9.0751
84.63
1.90
13.593
101.891
10
26.619
11.923
84.01
1.70
15.125
102.587
25
36.773
22.078
82.11
1.25
19.763
104.677
50
60.032
45.335
78.84
0.781
27.666
108.149
75
93.080
78.384
75.39
0.507
35.851
111.553
86
111.321
96.626
73.80
0.424
39.560
113.004
100
138.28
123.58
71.70
0.340
44.393
114.782
125
198.27
183.57
67.68
0.232
53.385
117.660
150
276.12
261.42
63.13
0.159
62.989
119.879
175
375.69
360.99
57.60
0.107
73.581
120.788
200
502.54
487.85
49.44
0.065
86.528
118.155