REFRIGERANT • PT DATA v1
R-508B
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 • 273
GWP
13396
ODP
Curves available
Dew + Bubble
Pressure range (psig)
-14.54 to 515.69
Temperature range (°F)
-222 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 | -43.8 | linear |
| 150 | -24.6 | linear |
| 200 | -9.5 | linear |
| 250 | 3.3 | linear |
| 300 | 14.3 | linear |
| 350 | 24 | linear |
| 400 | 32.8 | linear |
| 450 | 40.7 | 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 | 108.9 | exact |
| -20 | 164.2 | exact |
| 0 | 236.4 | exact |
| 20 | 328.6 | exact |
| 40 | 445.5 | exact |
Data source & notes
PT asset ID
r508bOriginal name
R-508B
CAS
—
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.