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Refrigerant Pressure - Temperature Chart

Pressure values are displayed for R-22, R-410a, R-407c, R-134a and R-404a refrigerants.

Fahrenheit
Celsius
R-22
R-410a
R-407c
R-134a
R-404a
155
68.3
405.4
645.2
456.6
281.0
484.8
150
65.6
381.7
607.6
430.3
262.8
456.8
145
62.8
359.1
571.7
405.1
245.6
429.6
140
60.0
337.4
537.6
380.9
229.2
403.7
135
57.2
316.7
505.0
357.8
213.5
379.1
130
54.4
297.0
474.0
335.7
198.7
355.6
125
51.7
278.1
444.5
314.5
184.5
333.4
120
48.9
260.0
416.4
294.2
171.1
312.1
115
46.1
242.8
289.6
274.9
158.4
291.9
110
43.3
226.4
364.1
256.5
146.3
272.5
105
40.6
210.8
339.9
239.0
134.9
254.2
100
37.8
196.0
316.9
222.3
124.1
236.8
95
35.0
181.9
295.0
206.4
113.9
220.2
90
32.2
168.4
274.3
191.3
104.3
204.5
85
29.4
155.7
254.6
177.0
95.2
189.6
80
26.7
143.7
235.9
163.5
86.7
175.4
75
23.9
132.2
218.2
150.6
78.6
161.9
70
21.1
121.5
201.5
138.5
71.1
149.3
65
18.3
111.3
185.7
127.0
64.0
137.4
60
15.6
101.6
170.7
116.2
57.4
126.0
55
12.8
92.6
156.6
106.0
51.2
115.3
50
10.0
84.1
143.3
77.1
45.4
105.3
49
9.4
82.4
140.7
75.4
44.3
103.3
48
8.9
80.8
138.2
73.8
43.2
101.4
47
8.3
79.2
135.6
72.2
42.2
99.5
46
7.8
77.6
133.2
70.6
41.1
97.6
45
7.2
76.1
130.7
69.1
40.0
95.8
44
6.7
74.5
128.3
67.6
39.0
94.0
43
6.1
73.0
125.9
66.1
38.0
92.2
42
5.6
71.5
123.6
64.6
37.0
90.4
41
5.0
70.0
121.8
63.1
36.0
88.6
40
4.4
68.6
118.9
61.7
35.0
86.9
39
3.9
67.1
116.7
60.3
34.1
85.2
38
3.3
65.7
114.4
58.9
33.1
83.5
37
2.8
64.3
112.2
57.5
32.2
81.7
36
2.2
62.9
110.0
56.1
31.3
80.2
35
1.7
61.5
107.9
54.8
30.4
78,5
34
1.1
60.2
105.7
53.4
29.5
76.9
33
0.6
58.8
103.6
52.1
28.6
75.3
32
0.0
57.5
101.6
50.9
27.8
73.8
31
-0.6
56.2
99.5
49.6
26.9
72.1
30
-1.1
54.9
97.5
48.4
26.1
70.7
29
-1.7
53.7
95.5
47.1
25.3
69.2
28
-2.2
52.4
93.5
45.9
24.5
67.7
27
-2.8
51.2
91.6
44.7
23.7
66.2
26
-3.3
50.0
89.7
43.6
22.9
64.8
25
-3.9
48.8
87.8
42.4
22.1
63.4
24
-4.4
47.6
85.9
41.3
21.4
62.0
23
-5.0
46.5
84.1
40.2
20.6
60.6
22
-5.6
45.3
82.3
39.1
19.9
59.3
21
-6.1
44.2
80.5
38.0
19.2
57.9
20
-6.7
43.1
78.7
36.9
18.4
56.6
19
-7.2
42.0
77.0
35.9
17.7
55.3
18
-7.8
40.9
75.2
34.8
17.1
54.0
17
-8.3
39.9
73.5
33.8
16.4
52.7
16
-8.9
38.8
71.9
32.8
15.7
51.5
15
-9.4
37.8
70.2
31.8
15.1
50.2
14
-10.0
36.8
68.6
30.9
14.4
49.0
13
-10.6
35.8
67.0
29.9
13.8
47.8
12
-11.1
34.8
65.4
29.0
13.2
46.6
11
-11.7
33.8
63.9
28.0
12.6
45.4
10
-12.2
32.8
62.3
27.1
12.0
44.3
9
-12.8
31.9
60.8
26.2
11.4
43.1
8
-13.3
31.0
59.3
25.4
10.8
42.0
7
-13.9
30.0
57.9
24.5
10.2
40.9
6
-14.4
29.1
56.4
23.7
9.7
39.8
5
-15.0
28.3
55.0
22.8
9.1
38.8
4
-15.6
27.4
53.6
22.0
8.6
37.7
3
-16.1
25.5
52.2
21.2
8.0
36.7
2
-16.7
25.7
50.9
20.4
7.5
35.7
1
-17.2
24.8
49.5
19.6
7.0
34.7
-0
-17.8
24.0
48.2
18.9
6.5
33.7
-2
-18.9
22.4
45.6
17.4
5.5
31.7
-4
-20.0
20.9
43.1
15.9
4.6
29.8
-6
-21.1
19.4
40.7
14.6
3.7
28.0
-8
-22.2
17.9
38.4
13.2
2.8
26.3
-10
-23.3
16.5
36.1
11.9
2.0
24.6
-12
-24.4
15.2
33.9
10.7
1.2
22.9
-14
-25.6
13.9
31.8
9.5
0.4
21.3
-16
-26.7
12.6
29.7
8.4
0.7
19.8
-18
-27.8
11.4
27.8
7.2
2.2
18.3
-20
-28.9
10.2
25.9
6.2
3.6
16.8
-25
-31.7
7.5
21.4
3.7
6.8
13.5
-30
-34.4
4.9
17.2
1.5
9.7
10.3
-35
-37.2
2.6
13.5
1.1
12.3
7.5
-40
-40.0
0.6
10.1
4.8
14.7
4.9
-45
-42.8
2.7
7.0
8.1
16.7
n/a
-50
-45.6
6.1
4.3
11.1
18.6
n/a
-55
-48.3
9.2
1.8
13.7
20.2
n/a
-60
-51.1
11.9
0.9
16.0
21.6
n/a

Items Displayed in Red shows pressure in inches of Mercury.

Items Displayed in Black shows pressure in pounds per inch gauge.

Data points are reproduced based on available information. Advantage assumes no responsibililty or liabilitly for data errors.

For more information on refrigerant temperatures and pressures call the Advantage Service Department at 317-887-0729.

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