REFRIGERANT • PT DATA v1

R-504

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 •
CURVE • bubble
POINTS • 361
GWP
ODP
Curves available
Dew + Bubble
Pressure range (psig)
-14.68 to 598.03
Temperature range (°F)
-220 to 140
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
0-72.2linear
25-32.2linear
50-9.1linear
758linear
10021.7linear
15043.4linear
20060.6linear
25075linear
30087.5linear
35098.5linear
400108.4linear
450117.5linear

Temperature → Saturation pressure (quick)

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

Temp (°F)Sat Pressure (psig)Source
-4018.6exact
-2037exact
062.6exact
2096.7exact
40141.2exact
60198exact
80269.1exact
100357.1exact
120465exact
140598exact

Data source & notes

PT asset ID
r504
Original name
R-504
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.