R448A pressure–temperature chart

R448A (Solstice N40)

A1GWP (AR4) 1387Blend · glide ≈ 6.2 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	-0.17	-0.42
-49	-0.13	-0.39
-48	-0.09	-0.35
-47	-0.04	-0.32
-46	0.01	-0.28
-45	0.06	-0.24
-44	0.11	-0.20
-43	0.17	-0.15
-42	0.22	-0.11
-41	0.28	-0.06
-40	0.34	-0.02
-39	0.40	0.03
-38	0.47	0.09
-37	0.54	0.14
-36	0.61	0.20
-35	0.68	0.25
-34	0.75	0.31
-33	0.83	0.38
-32	0.91	0.44
-31	0.99	0.51
-30	1.08	0.58
-29	1.17	0.65
-28	1.26	0.72
-27	1.35	0.80
-26	1.45	0.88
-25	1.55	0.96
-24	1.65	1.05
-23	1.76	1.14
-22	1.87	1.23
-21	1.98	1.32
-20	2.10	1.42
-19	2.22	1.52
-18	2.34	1.62
-17	2.47	1.73
-16	2.60	1.84
-15	2.73	1.95
-14	2.87	2.07
-13	3.01	2.19
-12	3.15	2.31
-11	3.30	2.44
-10	3.45	2.57
-9	3.61	2.70
-8	3.77	2.84
-7	3.94	2.98
-6	4.11	3.13
-5	4.28	3.28
-4	4.46	3.43
-3	4.64	3.59
-2	4.83	3.75
-1	5.02	3.92
0	5.22	4.09
1	5.42	4.27
2	5.63	4.45
3	5.84	4.64
4	6.06	4.83
5	6.28	5.02
6	6.50	5.22
7	6.74	5.43
8	6.97	5.64
9	7.22	5.85
10	7.46	6.07
11	7.72	6.30
12	7.98	6.53
13	8.24	6.77
14	8.51	7.01
15	8.79	7.26
16	9.07	7.51
17	9.36	7.77
18	9.65	8.04
19	9.95	8.31
20	10.26	8.59
21	10.57	8.87
22	10.89	9.16
23	11.22	9.46
24	11.55	9.76
25	11.89	10.07
26	12.23	10.39
27	12.59	10.71
28	12.94	11.04
29	13.31	11.38
30	13.68	11.72
31	14.06	12.07
32	14.45	12.43
33	14.85	12.80
34	15.25	13.17
35	15.66	13.56
36	16.07	13.95
37	16.50	14.34
38	16.93	14.75
39	17.37	15.16
40	17.82	15.59
41	18.27	16.02
42	18.74	16.46
43	19.21	16.90
44	19.69	17.36
45	20.18	17.83
46	20.67	18.30
47	21.18	18.78
48	21.69	19.28
49	22.21	19.78
50	22.75	20.29
51	23.29	20.82
52	23.83	21.35
53	24.39	21.89
54	24.96	22.44
55	25.54	23.01
56	26.12	23.58
57	26.72	24.17
58	27.32	24.76
59	27.94	25.37
60	28.56	25.99
61	29.19	26.62
62	29.84	27.27

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