REFRIGERANT • PT DATA v1

R-509A

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 • dew
POINTS • 391
GWP
5741
ODP
Curves available
Dew + Bubble
Pressure range (psig)
-14.69 to 475.34
Temperature range (°F)
-251 to 150
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.

Open PT Chart
Fast lookup (pressure ↔ temp)
Open →
Browse Equipment
See equipment using this refrigerant
Open →
Superheat/Subcool
Preselect this refrigerant
Open →
Charge Calculator
Line set adjustments
Open →
Curve toggle
Tip: For blends, evaporator saturation is typically based on dew, and condenser saturation is typically based on bubble.

Pressure → Saturation temperature (quick)

Linear interpolation between nearest points. Out-of-range values show “—”.

Pressure (psig)Sat Temp (°F)Source
0-54.5linear
25-13.4linear
5010.7linear
7528.6linear
10043.1linear
15066.2linear
20084.6linear
250100linear
300113.4linear
350125.3linear
400135.9linear
450145.5linear

Temperature → Saturation pressure (quick)

Useful for “I have a target saturation temp—what pressure should I see?” checks.

Temp (°F)Sat Pressure (psig)Source
-406.8exact
-2019.7exact
037.8exact
2062.3exact
4094.4exact
60135.3exact
80186.6exact
100249.8exact
120326.9exact
140420.7exact

Data source & notes

PT asset ID
r509a
Original name
R-509A
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.