R404A pressure–temperature chart
R404A
A1GWP (AR4) 3922Blend · glide ≈ 0.5 K
Pressures are gauge, in bar (g): bar (a) minus 1.01325 bar.
Refrigerant Converter →| °C | Bubble (liquid) bar (g)use for subcooling | Dew (vapour) bar (g)use for superheat |
|---|---|---|
| -50 | -0.17 | -0.20 |
| -49 | -0.13 | -0.16 |
| -48 | -0.08 | -0.12 |
| -47 | -0.04 | -0.07 |
| -46 | 0.01 | -0.03 |
| -45 | 0.06 | 0.02 |
| -44 | 0.11 | 0.07 |
| -43 | 0.17 | 0.13 |
| -42 | 0.22 | 0.18 |
| -41 | 0.28 | 0.24 |
| -40 | 0.34 | 0.30 |
| -39 | 0.40 | 0.36 |
| -38 | 0.47 | 0.42 |
| -37 | 0.53 | 0.49 |
| -36 | 0.60 | 0.55 |
| -35 | 0.67 | 0.62 |
| -34 | 0.75 | 0.70 |
| -33 | 0.82 | 0.77 |
| -32 | 0.90 | 0.85 |
| -31 | 0.98 | 0.93 |
| -30 | 1.06 | 1.01 |
| -29 | 1.15 | 1.09 |
| -28 | 1.24 | 1.18 |
| -27 | 1.33 | 1.27 |
| -26 | 1.43 | 1.37 |
| -25 | 1.52 | 1.46 |
| -24 | 1.62 | 1.56 |
| -23 | 1.73 | 1.66 |
| -22 | 1.83 | 1.77 |
| -21 | 1.94 | 1.88 |
| -20 | 2.06 | 1.99 |
| -19 | 2.17 | 2.10 |
| -18 | 2.29 | 2.22 |
| -17 | 2.42 | 2.34 |
| -16 | 2.54 | 2.47 |
| -15 | 2.67 | 2.60 |
| -14 | 2.81 | 2.73 |
| -13 | 2.94 | 2.86 |
| -12 | 3.08 | 3.00 |
| -11 | 3.23 | 3.15 |
| -10 | 3.38 | 3.29 |
| -9 | 3.53 | 3.44 |
| -8 | 3.69 | 3.60 |
| -7 | 3.85 | 3.76 |
| -6 | 4.01 | 3.92 |
| -5 | 4.18 | 4.09 |
| -4 | 4.35 | 4.26 |
| -3 | 4.53 | 4.44 |
| -2 | 4.71 | 4.62 |
| -1 | 4.90 | 4.80 |
| 0 | 5.09 | 4.99 |
| 1 | 5.28 | 5.18 |
| 2 | 5.48 | 5.38 |
| 3 | 5.69 | 5.58 |
| 4 | 5.90 | 5.79 |
| 5 | 6.11 | 6.00 |
| 6 | 6.33 | 6.22 |
| 7 | 6.55 | 6.44 |
| 8 | 6.78 | 6.67 |
| 9 | 7.02 | 6.91 |
| 10 | 7.26 | 7.14 |
| 11 | 7.50 | 7.39 |
| 12 | 7.75 | 7.64 |
| 13 | 8.01 | 7.89 |
| 14 | 8.27 | 8.15 |
| 15 | 8.54 | 8.42 |
| 16 | 8.81 | 8.69 |
| 17 | 9.09 | 8.96 |
| 18 | 9.37 | 9.25 |
| 19 | 9.66 | 9.54 |
| 20 | 9.96 | 9.83 |
| 21 | 10.26 | 10.13 |
| 22 | 10.57 | 10.44 |
| 23 | 10.88 | 10.75 |
| 24 | 11.20 | 11.07 |
| 25 | 11.53 | 11.40 |
| 26 | 11.87 | 11.73 |
| 27 | 12.21 | 12.07 |
| 28 | 12.55 | 12.42 |
| 29 | 12.91 | 12.77 |
| 30 | 13.27 | 13.13 |
| 31 | 13.64 | 13.50 |
| 32 | 14.01 | 13.87 |
| 33 | 14.40 | 14.25 |
| 34 | 14.79 | 14.64 |
| 35 | 15.18 | 15.04 |
| 36 | 15.59 | 15.44 |
| 37 | 16.00 | 15.86 |
| 38 | 16.42 | 16.27 |
| 39 | 16.85 | 16.70 |
| 40 | 17.28 | 17.14 |
| 41 | 17.73 | 17.58 |
| 42 | 18.18 | 18.03 |
| 43 | 18.64 | 18.49 |
| 44 | 19.10 | 18.96 |
| 45 | 19.58 | 19.43 |
| 46 | 20.07 | 19.92 |
| 47 | 20.56 | 20.41 |
| 48 | 21.06 | 20.92 |
| 49 | 21.57 | 21.43 |
| 50 | 22.10 | 21.95 |
| 51 | 22.63 | 22.48 |
| 52 | 23.16 | 23.02 |
| 53 | 23.71 | 23.57 |
| 54 | 24.27 | 24.13 |
| 55 | 24.84 | 24.70 |
| 56 | 25.42 | 25.28 |
| 57 | 26.01 | 25.87 |
| 58 | 26.61 | 26.47 |
| 59 | 27.22 | 27.08 |
| 60 | 27.84 | 27.70 |
| 61 | 28.47 | 28.33 |
| 62 | 29.11 | 28.98 |
| 63 | 29.77 | 29.63 |
| 64 | 30.43 | 30.30 |
Saturation data derived from reference equations of state. Always cross-check against calibrated gauges.