For many years, hydrofluorocarbon (HFC)-134a was the alternate refrigerant of choice to replace chlorofluorocarbon (CFC)-12 in many medium- and high-temperature stationary refrigeration, air ...
Following an extensive qualification program, Bitzer has announced approval of the R1234yf and R1234ze(E) HFO refrigerants for its CSH and CSW screw compressors. The two alternatives to R134a have a ...
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