R452A pressure–temperature chart

R452A (Opteon XP44)

A1GWP (AR4) 2140Blend · glide ≈ 4.2 K

Pressures are gauge, in bar (g): bar (a) minus 1.01325 bar.

°C	Bubble (liquid) bar (g)use for subcooling	Dew (vapour) bar (g)use for superheat
-50	-0.14	-0.30
-49	-0.10	-0.27
-48	-0.05	-0.23
-47	-0.00	-0.19
-46	0.05	-0.14
-45	0.10	-0.10
-44	0.15	-0.05
-43	0.21	-0.01
-42	0.27	0.04
-41	0.33	0.10
-40	0.39	0.15
-39	0.45	0.20
-38	0.52	0.26
-37	0.59	0.32
-36	0.66	0.38
-35	0.74	0.45
-34	0.81	0.51
-33	0.89	0.58
-32	0.98	0.65
-31	1.06	0.73
-30	1.15	0.80
-29	1.24	0.88
-28	1.33	0.96
-27	1.43	1.05
-26	1.53	1.13
-25	1.63	1.22
-24	1.73	1.32
-23	1.84	1.41
-22	1.95	1.51
-21	2.07	1.61
-20	2.19	1.72
-19	2.31	1.82
-18	2.43	1.93
-17	2.56	2.05
-16	2.70	2.16
-15	2.83	2.29
-14	2.97	2.41
-13	3.12	2.54
-12	3.26	2.67
-11	3.41	2.80
-10	3.57	2.94
-9	3.73	3.09
-8	3.89	3.23
-7	4.06	3.38
-6	4.23	3.54
-5	4.41	3.70
-4	4.59	3.86
-3	4.78	4.03
-2	4.97	4.20
-1	5.16	4.37
0	5.36	4.55
1	5.56	4.74
2	5.77	4.93
3	5.99	5.12
4	6.20	5.32
5	6.43	5.53
6	6.66	5.73
7	6.89	5.95
8	7.13	6.17
9	7.38	6.39
10	7.63	6.62
11	7.88	6.86
12	8.14	7.10
13	8.41	7.34
14	8.68	7.59
15	8.96	7.85
16	9.24	8.11
17	9.53	8.38
18	9.83	8.66
19	10.13	8.94
20	10.44	9.22
21	10.75	9.52
22	11.07	9.81
23	11.40	10.12
24	11.73	10.43
25	12.07	10.75
26	12.42	11.08
27	12.77	11.41
28	13.13	11.75
29	13.50	12.09
30	13.87	12.45
31	14.25	12.81
32	14.64	13.17
33	15.03	13.55
34	15.44	13.93
35	15.85	14.32
36	16.26	14.72
37	16.69	15.13
38	17.12	15.54
39	17.56	15.96
40	18.01	16.39
41	18.46	16.83
42	18.92	17.28
43	19.40	17.73
44	19.87	18.20
45	20.36	18.67
46	20.86	19.16
47	21.36	19.65
48	21.87	20.15
49	22.39	20.66
50	22.92	21.18
51	23.46	21.71
52	24.01	22.25
53	24.57	22.81
54	25.13	23.37
55	25.71	23.94
56	26.29	24.52
57	26.88	25.12

Saturation data derived from reference equations of state. Always cross-check against calibrated gauges.