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 ...
PASSING THE TEST: Bitzer subjected R-1234yf and R-1234ze(E) refrigerants to intensive testing, and its CSH and CSW (shown) screw compressors performed well with both in all of the tests and laboratory ...