Refrigerant Comparison (Pt Chart)
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1Refrigerant Comparison (PT Chart)
This chart compares the pressure-temperature relationshipsfor coexisting vapor and liquid at the saturated conditions for liquid at the bubble-point
for the blends of all five refrigerants
Pressure (PSIG)
R438A
R22
421A
422D
407C
Temp(F)
(MO99)
-40
0.6
0.5
1.7
2.4
2.7
-35
2.6
2.6
3.9
4.6
5.1
-30
4.9
4.9
6.4
7.1
7.7
-25
7.4
7.4
9.1
9.9
10.6
-20
10.2
10.2
12
12.9
13.7
-15
13.2
13.2
15.3
16.2
17.2
-10
16.5
16.5
18.8
19.8
21
-5
20.1
20.1
22.7
23.7
25
0
24
24
26.9
27.9
29.5
5
28.3
28.3
31.4
32.5
34.3
10
32.8
32.9
36.3
37.5
39.5
15
37.8
37.8
41.6
42.8
45.2
20
43.1
43.2
47.3
48.5
51.2
25
48.8
48.9
53.4
54.7
57.7
30
55
55
59.9
61.3
64.7
35
61.5
61.6
67
68.4
72.2
40
68.6
68.7
74.5
75.9
80.2
45
76.1
76.2
82.5
84
88.8
50
84.1
84.2
91.1
92.6
97.9
55
92.6
92.8
100.2
101.7
107.6
60
101.6
101.9
109.8
111.4
117.9
65
111.2
111.5
120.1
121.7
128.9
70
121.4
121.8
131
132.6
140.5
75
132.2
132.6
142.6
144.1
152.8
80
143.6
144.1
154.7
156.3
165.8
85
155.7
156.2
167.6
169.2
179.6
90
168.4
169
181.2
182.8
194.1
100
195.9
196.7
210.6
212.2
225.5
105
210.8
211.7
226.5
228
242.4
110
226.4
227.5
243.1
244.7
260.3
115
242.8
244
260.7
262.3
279
120
260
261.4
279.1
280.7
298.6
125
278
279.7
298.3
300
319.2
130
296.9
298.9
318.5
320.2
340.7
135
316.7
319
339.7
341.5
363.3
140
337.4
340.1
361.9
363.7
387
145
359
362.1
385
387
411.7
Number of
1
2
5
3
3
components per
ref.
All information here has been collected from the manufactures websites none of these values have
been generated by this company
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