R32 pressure–temperature chart

R32 (Difluoromethane)

A2LGWP (AR4) 675

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

Refrigerant Converter →

°C	Saturation pressure bar (g)
-45	0.39
-44	0.46
-43	0.53
-42	0.61
-41	0.68
-40	0.76
-39	0.84
-38	0.93
-37	1.02
-36	1.11
-35	1.20
-34	1.30
-33	1.40
-32	1.50
-31	1.61
-30	1.72
-29	1.84
-28	1.95
-27	2.08
-26	2.20
-25	2.33
-24	2.47
-23	2.60
-22	2.75
-21	2.89
-20	3.04
-19	3.20
-18	3.36
-17	3.52
-16	3.69
-15	3.87
-14	4.05
-13	4.23
-12	4.42
-11	4.61
-10	4.81
-9	5.02
-8	5.23
-7	5.44
-6	5.67
-5	5.89
-4	6.13
-3	6.36
-2	6.61
-1	6.86
0	7.12
1	7.38
2	7.65
3	7.93
4	8.21
5	8.50
6	8.80
7	9.10
8	9.41
9	9.73
10	10.06
11	10.39
12	10.73
13	11.08
14	11.43
15	11.79
16	12.17
17	12.55
18	12.93
19	13.33
20	13.73
21	14.14
22	14.57
23	15.00
24	15.44
25	15.88
26	16.34
27	16.81
28	17.28
29	17.77
30	18.26
31	18.77
32	19.28
33	19.81
34	20.34
35	20.89
36	21.44
37	22.01
38	22.58
39	23.17
40	23.77
41	24.38
42	25.00
43	25.63
44	26.28
45	26.93
46	27.60
47	28.28
48	28.98
49	29.68
50	30.40
51	31.13
52	31.87
53	32.63
54	33.40
55	34.19
56	34.98
57	35.80
58	36.62
59	37.46
60	38.32
61	39.19
62	40.08
63	40.98
64	41.90
65	42.83
66	43.78
67	44.75
68	45.73
69	46.73
70	47.75
71	48.79
72	49.85
73	50.93
74	52.03

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