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Table 7–5 R-134a Refrigerant Pressure Temperature Chart
Note: Underline figures are inches of mercury vacuum
°F
°C
4
-15.6
6
-14.4
8
-13.3
10
-12.2
12
-11.1
14
-10.0
16
-8.9
18
-7.8
20
-6.7
22
-5.6
24
-4.4
26
-3.3
28
-2.2
30
-1.1
32
0.0
34
1.1
36
2.2
38
3.3
40
4.4
42
5.6
44
6.7
46
7.8
48
8.9
50
10.0
52
11.1
54
12.2
56
13.3
58
14.4
60
15.6
62
16.7
64
17.8
66
18.9
68
20.0
70
21.1
72
22.2
74
23.3
76
24.4
78
25.6
80
26.7
82
27.8
84
28.9
86
30.0
PSIG
°C
8.5
-18
9.6
-17
10.8
-16
11.9
-15
13.1
-14
14.4
-13
15.7
-12
17.0
-11
18.4
-10
19.9
-9
21.3
-8
22.9
-7
24.5
-6
26.1
-5
27.8
-4
29.5
-3
31.3
-2
33.1
-1
35.0
0
37.0
1
39.0
2
41.1
3
43.2
4
45.4
5
47.7
6
50.0
7
52.4
8
54.9
9
57.4
10
60.0
11
62.7
12
65.4
13
68.2
14
71.1
15
74.1
16
77.1
17
80.2
18
83.4
19
86.7
20
90.0
21
93.5
22
97.0
23
7–45
°F
BAR
-0.4
0.45
1.4
0.51
3.2
0.57
5.0
0.64
6.8
0.71
8.6
0.78
10.4
0.85
12.2
0.93
14.0
1.01
15.8
1.09
17.6
1.17
19.4
1.25
21.2
1.34
23.0
1.43
24.8
1.53
26.6
1.62
28.4
1.72
30.2
1.82
32.0
1.93
33.8
2.04
35.6
2.15
37.4
2.26
39.2
2.38
41.0
2.50
42.8
2.62
44.6
2.75
46.4
2.88
48.2
3.01
50.0
3.15
51.8
3.29
53.6
3.43
55.4
3.58
57.2
3.73
59.0
3.88
60.8
4.04
62.6
4.21
64.4
4.37
66.2
4.54
68.0
4.72
69.8
4.90
71.6
5.08
73.4
5.27
T-340
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