TM 9-4110-255-14
Table 5-1. Pressure Temperature Relationship of Saturated Refrigerant R-134a - Continued
Temperature
Pressure
Temperature
Pressure
kg/cm2
kg/cm2
Deg F
Deg C
psia
Deg F
Deg C
psia
22
-5.55
34.57
15.68
102
38.88
143.07
64.86
24
-4.44
36.05
16.35
104
40.00
147.42
66.86
26
-3.33
37.58
16.78
106
41.11
151.86
68.88
28
-2.22
39.16
17.76
108
42.22
158.40
71.84
30
-1.11
40.79
18.50
110
43.33
161.04
73.04
32
-0
42.47
19.26
112
44.44
165.79
75.20
34
1.11
44.21
20.05
114
45.55
170.64
77.40
36
2.22
45.99
20.86
116
46.66
175.79
79.64
38
3.33
47.84
21.69
118
47.77
180.82
82.58
40
4.44
49.74
22.56
120
48.88
185.82
84.28
42
5.55
51.70
23.45
122
50.00
191.11
86.68
44
6.66
53.71
24.36
124
51.11
196.50
89.13
46
7.77
55.79
25.30
126
52.22
202.00
91.62
48
8.88
57.93
26.27
128
53.33
207.62
94.17
50
10.00
60.13
27.27
130
54.44
213.36
96.77
52
11.11
62.39
28.29
132
55.55
219.22
99.43
54
12.22
64.71
29.35
134
56.66
225.19
102.14
56
13.33
67.11
30.44
136
57.77
231.29
104.91
58
14.44
69.57
31.55
138
58.88
237.51
107.73
140
60.00
243.86
110.06
152
66.66
284.67
129.12
142
61.11
250.33
113.54
154
67.77
291.95
132.42
144
62.22
256.94
116.54
156
68.88
299.37
135.79
146
63.33
263.67
119.59
158
70.00
306.64
139.08
148
64.44
270.54
122.71
160
71.11
314.64
142.71
150
65.55
277.54
125.89
Table 5-2. Nominal Operating Pressure At Suction And Discharge Shut Off Valves
Air Temperature Entering
Air Temperature Entering Condenser Coil 110F (43C)
Evaporator Coil
0F (-18C)
Suction 1 psi (7 kPa)
Discharge 177 psi (1221 kPa)
35F (2C)
Suction 10 psi (69 kPa)
Discharge 199 psi (1373 kPa)
5-31
