Pressure Temperature Table
| Degrees Fahrenheit | R-134a Pressure (PSIG) | R-12 Pressure (PSIG) |
|---|---|---|
| -30 °F | 9.8 in. Hg. | 5.5 in. Hg. |
| -20 °F | 3.7 in. Hg. | 0.6 in. Hg. |
| -10 °F | 1.9 | 4.5 |
| 0 °F | 6.5 | 9.2 |
| 10 °F | 12.0 | 14.6 |
| 20 °F | 18.4 | 21.0 |
| 24 °F | 21.4 | 23.9 |
| 25 °F | 22.1 | 24.6 |
| 26 °F | 22.9 | 25.3 |
| 28 °F | 24.5 | 26.9 |
| 30 °F | 26.1 | 28.5 |
| 40 °F | 35.0 | 37.0 |
| 50 °F | 45.3 | 46.7 |
| 60 °F | 57.3 | 57.7 |
| 70 °F | 70.9 | 70.2 |
| 80 °F | 86.4 | 84.2 |
| 90 °F | 103.9 | 99.8 |
| 100 °F | 123.6 | 117.2 |
| 110 °F | 145.6 | 136.4 |
| 120 °F | 170.3 | 157.7 |
| 130 °F | 197.6 | 181.1 |
| 140 °F | 227.9 | 206.6 |
| 150 °F | 261.4 | 234.6 |
| 160 °F | 298.4 | 265.1 |
| 170 °F | 338 | 298 |
| inch Hg. Figures are Vacuum / All Others are PSIG | ||