R-404A is the workhorse refrigerant for low and medium temperature refrigeration including commercial cold rooms, supermarket display cases, and pharma cold chains.
R-125 / R-143a / R-134a (44/52/4%)
A1 (Non-Toxic, Non-Flammable)
GWP: 3922
ODP: 0
R-404A
R-404A is the workhorse refrigerant for low and medium temperature refrigeration including commercial cold rooms, supermarket display cases, and pharma cold chains.
Antoine Saturation Engine
R-404A PT Saturation Calculator
Compute exact vapor saturation pressure from evaporating/condensing temperature in real-time.
A=4.175 | B=891.2 | C=248.8
Absolute Pressure
-- bar
Gauge Pressure (Manifold)
-- PSI(g)
Atmospheric Saturation
-- kPa
Thermodynamic & Chemical Specifications
Chemical Formula
R-125 / R-143a / R-134a (44/52/4%)
ASHRAE Flammability
A1 (Non-Toxic, Non-Flammable)
GWP (100-Year)
3922
Compatible Lubricant
Polyolester (POE) Oil
Operating Range (Pune Summer)
Low: 20-35 PSI | High: 250-320 PSI
Retrofit Substitute
R-448A or R-449A lower-GWP alternatives.
⚡ Field Charging & Handling Protocols
- MUST charge as LIQUID from cylinder liquid port to prevent fractionation of the ternary blend.
🔍 Leak Detection Protocols
- Electronic diode or ultrasonic leak detectors
♻️ Recovery & Legal Compliance
- High-pressure recovery machine into DOT-rated containers.
🏢 Target Systems & Applications
✓ Commercial cold storage rooms
✓ Walk-in supermarket freezers
✓ Industrial blast freezers (-30°C)