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 TM 55-1905-219-14-8
4-28.
AIR CONDITIONING SYSTEM-MAINTENANCE INSTRUCTIONS (Continued).
PHYSICAL PROPERTIES OF SATURATED REFRIGERANT-12*
PRESSURE
DENSITY
HEAT CONTENT ABOVE-40F
Temp. LBS. PER SQ. IN
LBS. PER CU.FT.
B.T.U. PER LB.
Temp
Deg. F. Absolute Gauge
Liquid Vapor
Liquid Latent
Total of Vapor
Deg. F.
Col.1
Col.2
Col.3
Col.4
Col.5
Col.6
Col.7
Col.8
Col.9
-40
9.32
10.92+
94.58
0.2557
0.00
73.50
73.50
-40
-38
9.82
9.91+
94.39
.2683
0.40
73.34
73.34
-38
-36
10.34
8.87+
94.20
.2815
0.81
73.17
73.98
-36
-34
10.87
7.80+
93.99
.2951
1.21
73.01
74.22
-34
-32
11.43
6.66+
93.79
.3092
1.62
72.84
74.46
-32
-30
12.02
5.45+
93.59
0.3238
2.03
72.67
74.70
-30
-28
12.62
4.23+
93.39
.3390
2.44
72.50
74.94
-28
-26
13.26
2.93+
93.18
.3546
2.85
72.33
75.18
-26
-24
13.90
1.63+
92.98
.3706
3.25
72.16
75.41
-24
-22
14.58
0.24+
92.78
.3871
3.66
71.98
75.64
-22
-20
15.28
0.58
92.58
0.4042
4.07
71.80
75.87
-20
-18
16.01
1.31
92.38
.4219
4.48
71.63
76.11
-18
-16
16.77
2.07
92.18
.4403
4.89
71.45
76.34
-16
-14
17.55
2.85
91.97
.4593
5.30
71.27
76.57
-14
-12
18.37
3.67
91.77
.4789
5.72
71.09
76.81
-12
-10
19.20
4.50
91.57
0.4993
6.14
70.91
77.05
-10
-8
20.08
5.38
91.35
.5203
6.57
70.72
77.29
-8
-6
20.98
6.28
91.14
.5420
6.99
70.53
77.52
-6
-4
21.91
7.21
90.93
.5644
7.41
70.34
77.75
-4
-2
22.87
8.17
90.72
.5872
7.83
70.15
77.98
-2
0
23.87
9.17
90.52
0.6109
8.25
69.96
78.21
0
2
24.89
10.19
90.31
.6352
8.67
69.77
78.44
2
4
25.96
11.26
90.11
.6606
9.10
69.57
78.67
4
6
27.05
12.35
89.88
.6864
9.53
69.37
78.90
6
8
28.18
13.48
89.68
.7129
9.96
69.17
79.13
8
10
29.35
14.65
89.45
0.7402
10.39
68.97
79.36
10
12
30.56
15.86
89.24
.7687
10.82
68.77
79.59
12
14
31.80
17.10
89.03
.7981
11.26
68.56
79.82
14
16
33.08
18.38
88.81
.8288
11.70
68.35
80.05
16
18
34.40
19.70
88.58
.8598
12.12
68.15
80.27
18
20
35.75
21.05
88.37
0.8921
12.55
67.94
80.49
20
22
37.15
22.45
88.13
.9251
13.00
67.72
80.72
22
24
38.58
23.88
87.91
.9588
13.44
67.51
80.95
24
26
40.07
25.37
87.68
.9930
13.88
67.29
81.17
26
28
41.59
26.89
87.47
1.028
14.32
67.07
81.39
28
30
43.16
28.46
87.24
1.065
14.76
66.85
81.61
30
32
44.77
30.07
87.02
1.102
15.21
66.62
81.83
32
34
46.42
31.72
86.78
1.140
15.65
66.40
82.05
34
36
48.13
33.43
86.55
1.180
16.10
66.17
82.27
36
38
49.88
35.18
86.33
1.221
16.55
65.94
82.49
38
4-826
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