REFRIGERANT • PT DATA v1
R-508A
PT data, curve stats, and quick routes into the field calculators. Data shown here is derived from the versioned PT asset set under /assets/pt/v1.
At a glance
SAFETY • A1
CURVE • bubble
POINTS • 267
GWP
13214
ODP
Curves available
Dew + Bubble
Pressure range (psig)
-14.47 to 512.37
Temperature range (°F)
-216 to 50
Note: PT points are stored in psig and °F. For blends, bubble and dew represent different saturation states. Always follow OEM charging procedures.
Quick actions
These routes are designed to be technician-friendly: minimal taps, prefilled context, and predictable URLs for bookmarks and sharing.
Pressure → Saturation temperature (quick)
Linear interpolation between nearest points. Out-of-range values show “—”.
| Pressure (psig) | Sat Temp (°F) | Source |
|---|---|---|
| 0 | -125.7 | linear |
| 25 | -91 | linear |
| 50 | -70.8 | linear |
| 75 | -55.8 | linear |
| 100 | -43.7 | linear |
| 150 | -24.5 | linear |
| 200 | -9.3 | linear |
| 250 | 3.5 | linear |
| 300 | 14.6 | linear |
| 350 | 24.4 | linear |
| 400 | 33.1 | linear |
| 450 | 41.1 | linear |
Temperature → Saturation pressure (quick)
Useful for “I have a target saturation temp—what pressure should I see?” checks.
| Temp (°F) | Sat Pressure (psig) | Source |
|---|---|---|
| -40 | 108.7 | exact |
| -20 | 163.8 | exact |
| 0 | 235.5 | exact |
| 20 | 327 | exact |
| 40 | 442.8 | exact |
Data source & notes
PT asset ID
r508aOriginal name
R-508A
CAS
75-46-7, 76-16-4
Units
psig / F (atm: 14.6959 psi)
Default curve
dew
PT index version
v1(from /assets/pt/v1/index.json)Safety note: PT lookups are a foundational building block for charging and diagnostics, but they do not replace OEM procedures or full system context.