R-407A PT Chart
A1 GWP 2107Zeotropic blend (R-32/R-125/R-134a). HFC Blend.
Boiling Point
-49°F
-45°C
Critical Temp
180°F
82.2°C
Critical Pressure
654.7 psia
45.14 bar
R-407A Pressure-Temperature Graph
R-407A Saturation Pressure Table
Blue values indicate vacuum (below atmospheric pressure).
| °F | °C | PSIG | PSIA | kPa | bar |
|---|---|---|---|---|---|
| -80 | -62.2 | -8.8 | 5.89 | 40.6 | 0.406 |
| -75 | -59.4 | -7.8 | 6.9 | 47.6 | 0.476 |
| -70 | -56.7 | -6.6 | 8.06 | 55.5 | 0.555 |
| -65 | -53.9 | -5.3 | 9.36 | 64.5 | 0.645 |
| -60 | -51.1 | -3.9 | 10.83 | 74.7 | 0.747 |
| -55 | -48.3 | -2.2 | 12.47 | 86.0 | 0.86 |
| -50 | -45.6 | -0.4 | 14.31 | 98.7 | 0.987 |
| -45 | -42.8 | 1.7 | 16.35 | 112.8 | 1.128 |
| -40 | -40.0 | 3.9 | 18.62 | 128.4 | 1.284 |
| -35 | -37.2 | 6.4 | 21.13 | 145.7 | 1.457 |
| -30 | -34.4 | 9.2 | 23.9 | 164.8 | 1.648 |
| -25 | -31.7 | 12.2 | 26.94 | 185.8 | 1.858 |
| -20 | -28.9 | 15.6 | 30.28 | 208.8 | 2.088 |
| -15 | -26.1 | 19.2 | 33.93 | 233.9 | 2.339 |
| -10 | -23.3 | 23.2 | 37.9 | 261.3 | 2.613 |
| -5 | -20.6 | 27.5 | 42.23 | 291.2 | 2.912 |
| 0 | -17.8 | 32.2 | 46.93 | 323.6 | 3.236 |
| 5 | -15.0 | 37.3 | 52.01 | 358.6 | 3.586 |
| 10 | -12.2 | 42.8 | 57.51 | 396.5 | 3.965 |
| 15 | -9.4 | 48.7 | 63.44 | 437.4 | 4.374 |
| 20 | -6.7 | 55.1 | 69.82 | 481.4 | 4.814 |
| 25 | -3.9 | 62.0 | 76.68 | 528.7 | 5.287 |
| 30 | -1.1 | 69.3 | 84.03 | 579.4 | 5.794 |
| 35 | 1.7 | 77.2 | 91.91 | 633.7 | 6.337 |
| 40 | 4.4 | 85.6 | 100.32 | 691.7 | 6.917 |
| 45 | 7.2 | 94.6 | 109.3 | 753.6 | 7.536 |
| 50 | 10.0 | 104.2 | 118.87 | 819.6 | 8.196 |
| 55 | 12.8 | 114.4 | 129.05 | 889.8 | 8.898 |
| 60 | 15.6 | 125.2 | 139.87 | 964.4 | 9.644 |
| 65 | 18.3 | 136.7 | 151.35 | 1043.5 | 10.435 |
| 70 | 21.1 | 148.8 | 163.51 | 1127.4 | 11.274 |
| 75 | 23.9 | 161.7 | 176.39 | 1216.1 | 12.161 |
| 80 | 26.7 | 175.3 | 190.0 | 1310.0 | 13.1 |
| 85 | 29.4 | 189.7 | 204.37 | 1409.1 | 14.091 |
| 90 | 32.2 | 204.8 | 219.54 | 1513.7 | 15.137 |
| 95 | 35.0 | 220.8 | 235.52 | 1623.8 | 16.238 |
| 100 | 37.8 | 237.6 | 252.34 | 1739.8 | 17.398 |
| 105 | 40.6 | 255.3 | 270.04 | 1861.9 | 18.619 |
| 110 | 43.3 | 273.9 | 288.64 | 1990.1 | 19.901 |
| 115 | 46.1 | 293.5 | 308.16 | 2124.7 | 21.247 |
| 120 | 48.9 | 314.0 | 328.65 | 2266.0 | 22.66 |
| 125 | 51.7 | 335.4 | 350.13 | 2414.1 | 24.141 |
| 130 | 54.4 | 357.9 | 372.64 | 2569.2 | 25.692 |
| 135 | 57.2 | 381.5 | 396.2 | 2731.7 | 27.317 |
| 140 | 60.0 | 406.2 | 420.86 | 2901.7 | 29.017 |
| 145 | 62.8 | 431.9 | 446.64 | 3079.5 | 30.795 |
| 150 | 65.6 | 458.9 | 473.58 | 3265.2 | 32.652 |
| 155 | 68.3 | 487.0 | 501.71 | 3459.2 | 34.592 |
| 160 | 71.1 | 516.4 | 531.06 | 3661.6 | 36.616 |
| 165 | 73.9 | 546.9 | 561.64 | 3872.4 | 38.724 |
| 170 | 76.7 | 578.7 | 593.38 | 4091.2 | 40.912 |
Properties
| ASHRAE Designation | 407A |
| Safety Classification | A1 (non-flammable, low toxicity) |
| GWP (AR5) | 2107 |
| ODP | 0 |
| Molecular Weight | 90.11 g/mol |
| Boiling Point (1 atm) | -49°F / -45°C |
| Critical Temperature | 180°F / 82.2°C |
| Critical Pressure | 654.7 psia / 45.14 bar |
| Category | HFC Blend |
Common Applications
- Medium-temp refrigeration
- R-404A retrofit