R449A pressure–temperature chart

R449A (Opteon XP40)

A1GWP (AR4) 1397Blend · glide ≈ 5.7 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	-0.19	-0.41
-49	-0.14	-0.38
-48	-0.10	-0.34
-47	-0.05	-0.31
-46	-0.01	-0.27
-45	0.04	-0.23
-44	0.10	-0.19
-43	0.15	-0.15
-42	0.20	-0.10
-41	0.26	-0.06
-40	0.32	-0.01
-39	0.38	0.04
-38	0.45	0.09
-37	0.52	0.15
-36	0.58	0.20
-35	0.66	0.26
-34	0.73	0.32
-33	0.81	0.38
-32	0.88	0.45
-31	0.97	0.52
-30	1.05	0.59
-29	1.14	0.66
-28	1.23	0.73
-27	1.32	0.81
-26	1.42	0.89
-25	1.51	0.97
-24	1.62	1.06
-23	1.72	1.15
-22	1.83	1.24
-21	1.94	1.33
-20	2.05	1.43
-19	2.17	1.53
-18	2.29	1.63
-17	2.42	1.74
-16	2.55	1.85
-15	2.68	1.96
-14	2.81	2.07
-13	2.95	2.19
-12	3.10	2.32
-11	3.24	2.44
-10	3.39	2.57
-9	3.55	2.71
-8	3.71	2.85
-7	3.87	2.99
-6	4.04	3.13
-5	4.21	3.28
-4	4.39	3.44
-3	4.57	3.60
-2	4.75	3.76
-1	4.94	3.92
0	5.14	4.10
1	5.33	4.27
2	5.54	4.45
3	5.75	4.64
4	5.96	4.83
5	6.18	5.02
6	6.40	5.22
7	6.63	5.42
8	6.87	5.63
9	7.11	5.85
10	7.35	6.07
11	7.60	6.29
12	7.86	6.52
13	8.12	6.76
14	8.38	7.00
15	8.66	7.24
16	8.94	7.50
17	9.22	7.75
18	9.51	8.02
19	9.81	8.29
20	10.11	8.56
21	10.42	8.85
22	10.73	9.13
23	11.05	9.43
24	11.38	9.73
25	11.72	10.04
26	12.06	10.35
27	12.41	10.67
28	12.76	11.00
29	13.12	11.34
30	13.49	11.68
31	13.86	12.03
32	14.25	12.38
33	14.64	12.75
34	15.03	13.12
35	15.44	13.50
36	15.85	13.88
37	16.27	14.28
38	16.69	14.68
39	17.13	15.09
40	17.57	15.51
41	18.02	15.94
42	18.48	16.37
43	18.94	16.81
44	19.42	17.27
45	19.90	17.73
46	20.39	18.20
47	20.89	18.68
48	21.40	19.16
49	21.91	19.66
50	22.44	20.17
51	22.97	20.69
52	23.51	21.21
53	24.06	21.75
54	24.62	22.30
55	25.19	22.85
56	25.77	23.42
57	26.36	24.00
58	26.95	24.59
59	27.56	25.19
60	28.18	25.80
61	28.80	26.43
62	29.44	27.07

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