R-290 is an ultra-low GWP natural hydrocarbon refrigerant offering superior thermodynamic cycle efficiency and zero ozone depletion for modern eco-friendly appliances.
C3H8
A3 (Higher Flammability)
GWP: 3
ODP: 0
R-290 (Refrigerant Grade Propane)
R-290 is an ultra-low GWP natural hydrocarbon refrigerant offering superior thermodynamic cycle efficiency and zero ozone depletion for modern eco-friendly appliances.
Antoine Saturation Engine
R-290 (Refrigerant Grade Propane) PT Saturation Calculator
Compute exact vapor saturation pressure from evaporating/condensing temperature in real-time.
A=3.928 | B=803.9 | C=246.9
Absolute Pressure
-- bar
Gauge Pressure (Manifold)
-- PSI(g)
Atmospheric Saturation
-- kPa
Thermodynamic & Chemical Specifications
Chemical Formula
C3H8
ASHRAE Flammability
A3 (Higher Flammability)
GWP (100-Year)
3
Compatible Lubricant
Mineral Oil (MO) or POE
Operating Range (Pune Summer)
Low: 60-80 PSI | High: 220-280 PSI
Retrofit Substitute
Dedicated hydrocarbon systems only; never charge into non-A3 circuits.
⚡ Field Charging & Handling Protocols
- Strict charge weight limits (typically <150g in sealed systems).
- No open flames, smoking, or standard electrical switches within 5 meters.
🔍 Leak Detection Protocols
- Explosion-proof combustible gas detector (LEL meter)
♻️ Recovery & Legal Compliance
- ATEX-certified spark-proof recovery equipment.
🏢 Target Systems & Applications
✓ Eco-friendly residential split ACs
✓ Commercial reach-in display coolers
✓ Heat pump water heaters