BITZER adds R515B to BITZER software

Date: 22 October 2020
BITZER adds R515B to BITZER software
With the BITZER software, customers can calculate the performance data for most BITZER products with the most diverse refrigerants and access technical information. The refrigeration and air conditioning specialist is continuously expanding its BITZER software – and has made it possible to use it with the new refrigerant R515B for its screw compressors. R515B is a non-toxic, non-flammable A1 alternative to R134a and R1234ze(E) with a low GWP factor.

R515B was designed as a replacement for R134a for use in medium temperature applications, comfort air conditioning, heat pumps, process air conditioning and process heating. BITZER has now implemented the refrigerant in its BITZER software: screw compressors from the CSH series can be used with R515B from software version 6.15.2. R515B is also already included in the Refrigerant Ruler app from BITZER. 

Made of 91.1 per cent R1234ze(E) and 8.9 per cent R227ea, R515B as a A1 safety refrigerant is classified according to DIN EN378-1 and has been graded as being neither toxic nor flammable. In terms of thermodynamics, R515B reacts similarly to pure R1234ze(E). The R227ea it contains suppresses the flammability. The refrigerating capacity and performance statistics are, however, almost the same as pure R1234ze(E). 

With a GWP of 299, R515B has a global warming potential that is 80 per cent less than that of R134a. R515B is therefore particularly interesting for screw compressor applications for which R134a was being used until now and which can not be changed to use flammable, low-GWP refrigerants such as R1234ze(E) or R1234yf for the most diverse of reasons. 

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