R-513A PT Chart
A1 GWP 631Zeotropic blend (R-1234yf/R-134a, 56.0/44.0%). HFO/HFC Blend.
Boiling Point
-20.6°F
-29.2°C
Critical Temp
205.7°F
96.5°C
Critical Pressure
546.2 psia
37.66 bar
R-513A Pressure-Temperature Graph
R-513A Saturation Pressure Table
Blue values indicate vacuum (below atmospheric pressure).
| °F | °C | PSIG | PSIA | kPa | bar |
|---|---|---|---|---|---|
| -55 | -48.3 | -9.0 | 5.7 | 39.3 | 0.39 |
| -50 | -45.6 | -8.1 | 6.6 | 45.5 | 0.45 |
| -45 | -42.8 | -7.0 | 7.7 | 53.1 | 0.53 |
| -40 | -40.0 | -5.9 | 8.8 | 60.6 | 0.61 |
| -35 | -37.2 | -4.6 | 10.1 | 69.6 | 0.7 |
| -30 | -34.4 | -3.2 | 11.5 | 79.3 | 0.79 |
| -25 | -31.7 | -1.6 | 13.1 | 90.3 | 0.9 |
| -20 | -28.9 | 0.1 | 14.8 | 102.0 | 1.02 |
| -15 | -26.1 | 2.1 | 16.8 | 115.8 | 1.16 |
| -10 | -23.3 | 4.2 | 18.9 | 130.3 | 1.3 |
| -5 | -20.6 | 6.6 | 21.3 | 146.8 | 1.47 |
| 0 | -17.8 | 9.1 | 23.8 | 164.1 | 1.64 |
| 5 | -15.0 | 11.9 | 26.6 | 183.4 | 1.83 |
| 10 | -12.2 | 15.0 | 29.7 | 204.7 | 2.05 |
| 15 | -9.4 | 18.3 | 33.0 | 227.5 | 2.27 |
| 20 | -6.7 | 21.9 | 36.6 | 252.3 | 2.52 |
| 25 | -3.9 | 25.9 | 40.6 | 279.9 | 2.8 |
| 30 | -1.1 | 30.1 | 44.8 | 308.9 | 3.09 |
| 35 | 1.7 | 34.6 | 49.3 | 339.9 | 3.4 |
| 40 | 4.4 | 39.6 | 54.3 | 374.4 | 3.74 |
| 45 | 7.2 | 44.8 | 59.5 | 410.2 | 4.1 |
| 50 | 10.0 | 50.5 | 65.2 | 449.5 | 4.5 |
| 55 | 12.8 | 56.5 | 71.2 | 490.9 | 4.91 |
| 60 | 15.6 | 63.0 | 77.7 | 535.7 | 5.36 |
| 65 | 18.3 | 69.9 | 84.6 | 583.3 | 5.83 |
| 70 | 21.1 | 77.3 | 92.0 | 634.3 | 6.34 |
| 75 | 23.9 | 85.1 | 99.8 | 688.1 | 6.88 |
| 80 | 26.7 | 93.4 | 108.1 | 745.3 | 7.45 |
| 85 | 29.4 | 102.0 | 116.7 | 804.6 | 8.05 |
| 90 | 32.2 | 112.0 | 126.7 | 873.5 | 8.74 |
| 95 | 35.0 | 121.0 | 135.7 | 935.6 | 9.36 |
| 100 | 37.8 | 132.0 | 146.7 | 1011.4 | 10.11 |
| 105 | 40.6 | 143.0 | 157.7 | 1087.3 | 10.87 |
| 110 | 43.3 | 155.0 | 169.7 | 1170.0 | 11.7 |
| 115 | 46.1 | 167.0 | 181.7 | 1252.7 | 12.53 |
| 120 | 48.9 | 180.0 | 194.7 | 1342.4 | 13.42 |
| 125 | 51.7 | 193.0 | 207.7 | 1432.0 | 14.32 |
| 130 | 54.4 | 207.0 | 221.7 | 1528.5 | 15.29 |
| 135 | 57.2 | 222.0 | 236.7 | 1632.0 | 16.32 |
| 140 | 60.0 | 238.0 | 252.7 | 1742.3 | 17.42 |
| 145 | 62.8 | 254.0 | 268.7 | 1852.6 | 18.53 |
| 150 | 65.6 | 271.0 | 285.7 | 1969.8 | 19.7 |
| 155 | 68.3 | 289.7 | 304.4 | 2098.7 | 20.99 |
| 160 | 71.1 | 308.7 | 323.4 | 2229.9 | 22.3 |
| 165 | 73.9 | 328.7 | 343.4 | 2367.4 | 23.67 |
| 170 | 76.7 | 349.5 | 364.2 | 2511.1 | 25.11 |
| 175 | 79.4 | 371.4 | 386.1 | 2661.9 | 26.62 |
| 180 | 82.2 | 394.2 | 408.9 | 2819.4 | 28.19 |
| 185 | 85.0 | 418.2 | 432.9 | 2985.0 | 29.85 |
| 190 | 87.8 | 443.3 | 458.0 | 3158.0 | 31.58 |
| 195 | 90.6 | 469.8 | 484.5 | 3340.3 | 33.4 |
| 200 | 93.3 | 497.5 | 512.2 | 3531.3 | 35.31 |
| 205 | 96.1 | 527.0 | 541.7 | 3734.9 | 37.35 |
Properties
| ASHRAE Designation | 513A |
| Safety Classification | A1 (non-flammable, low toxicity) |
| GWP (AR5) | 631 |
| ODP | 0 |
| Molecular Weight | 108.4 g/mol |
| Boiling Point (1 atm) | -20.6°F / -29.2°C |
| Critical Temperature | 205.7°F / 96.5°C |
| Critical Pressure | 546.2 psia / 37.66 bar |
| Category | HFO/HFC Blend |
Common Applications
- Centrifugal and screw chillers (direct R-134a replacement)
- Commercial and industrial refrigeration at medium/high temperature
- Data center and building comfort-cooling chiller systems