REFRIGERANT • PT DATA v1

R-441A

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.

RefrigerantsLearnDownload JSON

At a glance

SAFETY • A3
CURVE • bubble
POINTS • 509
GWP
3.6
ODP
Curves available
Dew + Bubble
Pressure range (psig)
-14.69 to 621.51
Temperature range (°F)
-278 to 240
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
AutoDewBubble
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
0-42.8linear
257linear
5036.1linear
7557.8linear
10075.3linear
150103.4linear
200125.9linear
250144.8linear
300161.4linear
350176.2linear
400189.7linear
450202.1linear
Do a lookup in PT Chart →

Temperature → Saturation pressure (quick)

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

Temp (°F)Sat Pressure (psig)Source
-400.9exact
-209.1exact
020.3exact
2035exact
4054exact
6077.9exact
80107.4exact
100143.2exact
120186exact
140236.5exact
Use this in Superheat/Subcool →

Data source & notes

PT asset ID
r441a
Original name
R-441A
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.