Thermodynamic Properties (R407A)

Composition:

(R-32 / 125 / 134a) • (20 / 40 / 40 wt%)

Replaces:

R-22

Application:

Medium and low temperature commercial and industrial refrigeration

Performance:

  • Lower discharge temperature
  • Closest capacity match to R-22
  • Similar P/T and flow properties = no component changes

Lubricant:

Polyolester lubricant

Thermodynamic Properties

TEMP. (˚F)
Pressure Liquid (psia)
Pressure Vapor (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
10.8
7.6
88.81
0.164
-6.1454
95.41
-0.01496
0.2434
-55
12.5
8.9
88.26
0.189
-4.6163
96.12
-0.01117
0.2418
-50
14.3
10.3
87.72
0.218
-3.0826
96.82
-0.00741
0.2404
-45
16.4
11.9
87.17
0.250
-1.5440
97.52
-0.00369
0.2390
-40
18.6
13.7
86.61
0.285
0.000
98.21
0.00000
0.2376
-35
21.1
15.7
86.05
0.325
1.5496
98.90
0.00366
0.2364
-30
23.9
18.0
85.49
0.368
3.1052
99.59
0.00729
0.2351
-25
26.9
20.4
84.92
0.416
4.6672
100.3
0.01088
0.2340
-20
30.3
23.2
84.35
0.469
6.2358
100.9
0.01446
0.2329
-15
33.9
26.2
83.77
0.527
7.8114
101.6
0.01800
0.2319
-10
37.9
29.6
83.18
0.591
9.3945
102.3
0.02152
0.2309
-5
42.2
33.2
82.59
0.660
10.99
102.9
0.02502
0.2299
0
46.9
37.2
81.99
0.736
12.58
103.6
0.02849
0.2290
5
52.0
41.6
81.39
0.818
14.19
104.2
0.03195
0.2281
10
57.5
46.3
80.77
0.908
15.81
104.8
0.03538
0.2273
15
63.4
51.4
80.15
1.005
17.44
105.4
0.03880
0.2264
20
69.8
57.0
79.52
1.111
19.07
106.0
0.04219
0.2257
25
76.7
63.0
78.88
1.225
20.72
106.6
0.04558
0.2249
30
84.0
69.5
78.23
1.349
22.38
107.2
0.04894
0.2242
35
91.9
76.5
77.57
1.482
24.05
107.8
0.05230
0.2235
40
100
84.1
76.90
1.626
25.73
108.3
0.05564
0.2228
45
109
92.1
76.21
1.782
27.42
108.9
0.05897
0.2221
50
119
101
75.52
1.949
29.13
109.4
0.06229
0.2214
55
129
110
74.81
2.130
30.85
109.9
0.06561
0.2208
60
140
120
74.08
2.325
32.59
110.4
0.06892
0.2202
65
151
130
73.34
2.534
34.35
110.9
0.07222
0.2195
70
164
142
72.58
2.760
36.12
111.3
0.07552
0.2189
75
176
154
71.80
3.003
37.91
111.7
0.07882
0.2182
80
190
166
71.01
3.265
39.72
112.1
0.08213
0.2176
85
204
180
70.19
3.548
41.55
112.5
0.08543
0.2169
90
220
194
69.34
3.853
43.40
112.9
0.08874
0.2163
95
236
209
68.48
4.183
45.27
113.2
0.09206
0.2156
100
252
225
67.58
4.539
47.17
113.4
0.09539
0.2148
105
270
242
66.65
4.925
49.10
113.7
0.09874
0.2141
110
289
260
65.69
5.345
51.06
113.9
0.1021
0.2133
115
308
279
64.69
5.801
53.06
114.1
0.1055
0.2125
120
329
299
63.64
6.298
55.09
114.2
0.1089
0.2116
125
350
320
62.55
6.843
57.16
114.2
0.1124
0.2107
130
373
342
61.39
7.443
59.28
114.2
0.1159
0.2097
135
396
365
60.17
8.106
61.45
114.1
0.1194
0.2086
140
421
390
58.87
8.843
63.69
113.9
0.1230
0.2074