Thermodynamic Properties (R134A)

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Composition:

100% 1,1,1,2-tetrofluoroethane (CF3CH2F)

Application:

Household appliances, refrigeration (commercial and self-contained equipment), centrifugal chillers and automotive air conditioning

Performance:

  • Industry standard choice for automotive AC and small appliances
  • Equipment optimized for R-134a over last 20 years

Lubricant:

Compatible with polyolester lubricant for stationary equipment and polyalkaline glycol for automotive A/C systems

Thermodynamic Properties

TEMP. (˚F)
Pressure Liquid (psia)
Density Liquid (lb/ftˆ3)
Density Vapor (lb/ftˆ3)
Enthalpy Liquid (Btu/lb)
Enthalpy Vapor (Btu/lb)
Entropy Liquid (Btu/R-lb)
Entropy Vapor (Btu/R-lb)
-60
4.0
90.49
0.0969
-5.957
94.13
-0.01452
0.2359
-55
4.7
90.00
0.1127
-4.476
94.89
-0.01085
0.2347
-50
5.5
89.50
0.1305
-2.989
95.65
-0.00720
0.2336
-45
6.4
89.00
0.1505
-1.498
96.41
-0.00358
0.2325
-40
7.4
88.50
0.1729
0.000
97.17
0.00000
0.2315
-35
8.6
88.00
0.1978
1.503
97.92
0.00356
0.2306
-30
9.9
87.49
0.2256
3.013
98.68
0.00708
0.2297
-25
11.3
86.98
0.2563
4.529
99.43
0.01058
0.2289
-20
12.9
86.47
0.2903
6.051
100.2
0.01406
0.2282
-15
15.3
85.95
0.3277
7.580
100.9
0.01751
0.2274
-10
16.6
85.43
0.3689
9.115
101.7
0.02093
0.2268
-5
18.8
84.90
0.4140
10.66
102.4
0.02433
0.2262
0
21.2
84.37
0.4634
12.21
103.2
0.02771
0.2256
5
23.8
83.83
0.5173
13.76
103.9
0.03107
0.2250
10
26.6
83.29
0.5761
15.33
104.6
0.03440
0.2245
15
29.7
82.74
0.6401
16.90
105.3
0.03772
0.2240
20
33.1
82.19
0.7095
18.48
106.1
0.04101
0.2236
25
36.8
81.63
0.7848
20.07
106.8
0.04429
0.2232
30
40.8
81.06
0.8663
21.67
107.5
0.04755
0.2228
35
45.1
80.49
0.9544
23.27
108.2
0.05079
0.2224
40
49.7
79.90
1.050
24.89
108.9
0.05402
0.2221
45
54.8
79.32
1.152
26.51
109.5
0.05724
0.2217
50
60.2
78.72
1.263
28.15
110.2
0.06044
0.2214
55
65.9
78.11
1.382
29.80
110.9
0.06362
0.2212
60
72.2
77.50
1.510
31.45
111.5
0.06680
0.2209
65
78.8
76.87
1.647
33.12
112.2
0.06996
0.2206
70
85.8
76.24
1.795
34.80
112.8
0.07311
0.2204
75
93.5
75.59
1.953
36.49
113.4
0.07626
0.2201
80
101.4
74.94
2.123
38.20
114.0
0.07939
0.2199
85
109.9
74.27
2.305
39.91
114.6
0.08252
0.2197
90
119.0
73.58
2.501
41.65
115.2
0.08565
0.2194
95
128.6
72.88
2.710
43.39
115.7
0.08877
0.2192
100
138.9
72.17
2.935
45.15
116.3
0.09188
0.2190
105
149.7
71.44
3.176
46.93
116.8
0.09500
0.2187
110
161.1
70.69
3.435
48.73
117.3
0.09811
0.2185
115
173.1
69.93
3.713
50.55
117.8
0.1012
0.2183
120
185.9
69.14
4.012
52.38
118.3
0.1044
0.2180
125
199.3
68.32
4.333
54.24
118.7
0.1075
0.2177
130
213.4
67.49
4.679
56.12
119.1
0.1106
0.2174
135
228.3
66.62
5.052
58.02
119.5
0.1138
0.2171
140
243.9
65.73
5.455
59.95
119.8
0.1169
0.2167
145
260.4
64.80
5.892
61.92
120.1
0.1201
0.2163
150
277.6
63.83
6.366
63.91
120.4
0.1233
0.2159
155
295.7
62.82
6.882
65.94
120.6
0.1265
0.2154
160
314.7
61.76
7.447
68.00
120.7
0.1298
0.2149

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