Forane® R-22 refrigerant retrofit solutions
Arkema recommends Forane® 407C, Forane® 407A, and Forane® 427A (R427A) - The EASY RETROFIT™ as R-22 retrofit options for many R-22 applications. All are SNAP approved.
When reviewing the various retrofit considerations – GWP, capacity, efficiency, operating pressures, flow rates – you will find that these products represent some of the closest overall performance matches to R-22 available on the market today. R-407C has the closest capacity to R-22 for air conditioning, while R-407A offers performance similar to R-22 in supermarket refrigeration. R427A is a hybrid blend that mirrors R-22's operating pressures, allowing it to be used in a wider range of systems.
Table 1: Retrofit solutions
| Forane® 22 | Forane® 407C | Forane® 427A | Forane® 407A | |
|---|---|---|---|---|
| Primary usage | All R-22 systems | Air conditioning |
General-purpose R-22 retrofit |
Commercial refrigeration |
| Application range | All R-22 systems | AC → MT (DX) retrofit | AC → LT (DX) retrofit only | MT → LT (DX) new & retrofit |
| Composition (weight %) |
100% R-22 |
23% R-32 25% R-125 52% R-134a |
15% R-32 25% R-125 10% R-143a 50% R-134a |
20% R-32 40% R-125 40% R-134a |
| GWP (100 year, AR5) | 1,760 | 1,624 | 2,024 | 1,923 |
| Normal boiling point (ºF) | -41 | -47 | -45 | -49 |
| Critical temperature (ºF) | 205 | 187 | 186 | 180 |
| Capacity (relative to R-22) | - | Similar (AC) | Slightly lower | Similar (MT → LT) |
| Flow rates (relative to R-22) | - | Similar | Similar | Slightly higher |
| TXV change-out | - | No | No | No |
| Recommended lubricant | MO or AB | POE | POE, MO*, AB* | POE |
| Charge ratio (relative to R-22) | - | 90-95% | 95-100% | 95-100% |
| Discharge pressure (relative to R-22) | - | 15-25 psi higher | 0-10 psi higher | 25-35 psi higher |
| Discharge temperature (relative to R-22) | - | 10-15 ºF lower | 20-40 ºF lower | 20-35 ºF lower |
* A lubricant change may not be required, but POE is always recommended for optimal performance. See retrofit guidelines at www.forane-us.com before any refrigerant retrofit; consult your OEM for complete warranty considerations.