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Most widely used low and medium temperature replacement. Slightly higher pressures and eficiency than R 404A Best choice for systems with flooded evaporators. Use of POE will enhance oil return, if required. Reasonable performance match to R-22 in medium temperature refrigeration. Lower capacity in low temperature refrigeration system.
REPLACEMENTS FOR R22: RS-44 (R424A) & RS-45 (R434A) R22 is a unique refrigerant & there is no single fluid or blend which has identical properties; this includes R125, R143a, R32, R134a, R410A, R407C, R404A, R507, R422D, R417A & other refrigerants. In attempting to replace R22, it is only possible
13 Αυγ 2017 · This MO99 refrigerant is designed to be a drop in R-22 replacement. The thing about this type of refrigerant and the reason you hear it brought up all the time when looking for R-22 replacement is that it is the closest alternative refrigerant when it comes to capacity and efficiency.
This chart is intended to show relative performance of blends over a range of test conditions. In general, the test results presented to date show that R-407A / C together with R-427A have the closest match to R-22 capacity and efficiency, followed by R-422D and then finally R-417A. R-404A maintains capacity at a cost of valve change.
29 Ιουν 2020 · NON-FLOODED USE: ComStar’s RS-44b can be used to replace R-22 in all non-flooded, high-, medium-, and low-temperature systems down to minus 20°F evaporating temperature.
16 Φεβ 2017 · The best replacement for R-22 Freon is usually R-407c. It has a very low loss in capacity (0 – 5%) relative to R-22 and is less expensive than many other R-22 replacement refrigerants. If a system has R22 in it already you cannot use a replacement refrigerant to simply add to the R22.
5 Νοε 2021 · So if you have an air conditioning or HVAC unit that utilizes Freon and requires service, you have three different options for R22 Freon replacement, all of which are detailed below.
