TM 9-4110-258-13
5.14 REFRIGERANT SYSTEM PRESSURE CHECK. - Continued
Table 5-1. Pressure Temperature Relationship of Saturated Refrigerant R-134a
Temperature
Pressure
Temperature
Pressure
DegF
DegF
DegC
Deg C
psia
kg/cm2
psia
kg/cm2
-20
12.95
5.87
62
16.66
74.69
33.87
-18
13.63
6.18
64
17.77
77.36
35.08
-16
14.35
6.50
66
18.88
80.09
36.32
-14
-25.55
15.09
6.84
68
20
82.90
37.60
-12
-24.44
15.87
7.19
70
21.11
85.79
38.91
-10
-23.33
16.67
7.56
72
22.22
88.75
40.25
-8
-22.22
17.51
7.94
74
23.33
91.79
41.63
-6
-21.11
18.38
8.33
76
24.44
94.90
43.04
-4
-20.00
19.29
8.74
78
25.55
98.09
44.49
-2
-18.88
20.23
9.17
80
26.66
101.37
45.98
0
-17.77
21.20
9.61
82
27.77
104.73
47.50
2
-16.66
22.22
10.07
84
28.88
108.16
49.06
4
-15.55
23.27
10.55
86
30
111.69
50.66
6
-28.88
24.35
11.04
88
31.11
115.30
52.16
8
-27.77
25.48
11.55
90
32.22
118.99
53.97
10
-26.66
26.65
12.08
92
33.33
122.78
55.69
12
-11.11
27.86
12.63
94
34.44
126.65
57.44
14
-10.00
29.11
13.20
96
35.55
130.62
59.24
16
-8.88
30.41
13.79
98
36.66
134.68
61.08
18
-7.77
31.75
14.40
100
37.77
138.83
62.59
20
-6.66
33.14
15.03
102
38.88
143.07
64.86
22
-5.55
34.57
15.68
104
40
147.42
66.86
24
-4.44
36.05
16.35
106
41.11
151.86
68.88
26
-3.33
37.58
16.78
108
42.22
158.40
71.84
28
-2.22
39.16
17.76
110
43.33
161.04
73.04
30
-1.11
40.79
18.50
112
44.44
165.79
75.20
32
0
42.47
19.26
114
45.55
170.64
77.40
34
1.11
44.21
20.05
116
46.66
175.59
79.64
36
2.22
45.99
20.86
118
47.77
180.65
82.58
38
3.33
47.84
21.69
120
48.88
185.82
84.28
40
4.44
49.74
22.56
122
50
191.11
89.13
42
5.55
51.70
23.45
124
51.11
196.50
91.62
44
6.66
53.71
24.36
126
52.22
202.00
94.17
46
7.77
55.79
25.30
128
53.33
207.62
96.77
48
8.88
57.93
26.27
130
54.44
213.36
99.43
50
10
60.13
27.27
132
55.55
219.22
102.14
52
11.11
62.39
28.29
134
56.66
225.19
104.91
54
12.22
64.71
29.35
136
57.77
231.29
107.73
56
13.33
67.11
30.44
138
58.88
237.51
110.06
58
14.44
69.57
31.55
140
60
243.86
113.54
60
15.55
72.09
32.69
142
61.11
250.33
116.54
5-28