16.07.2019

Question
Hello! I design a central on three Bitzer HSN7461-70 compressors (mode: -33C / 45C, with economizer, freon -R507A). According to the oil separator selection graphs in the Frigopoint catalog, two oil separators are suitable: FP-OS-45-258, or FP-OS-40-218. Which oil separator is better to take for this task?
Answer:
Hello, for screw compressors, incl. Bitzer HSN7461-70 is recommended to use cyclone oil separators FP-OS-40-218, FP-OS-80-318 and FP-OS-200-418.
We also recommend double-checking that the selection is correct, since The FP-OS-40-218 is equivalent in performance to the FP-OS-25, due to the fact that cyclone oil separators are combined (oil separator and oil sump) and the oil is separated only in half the capacity ie. in volume ~ 20 l.

Answer
Hello! I design a central on three Bitzer HSN7461-70 compressors (mode: -33C / 45C, with economizer, freon -R507A). According to the oil separator selection graphs in the Frigopoint catalog, two oil separators are suitable: FP-OS-45-258, or FP-OS-40-218. Which oil separator is better to take for this task?
Answer:
Hello, for screw compressors, incl. Bitzer HSN7461-70 is recommended to use cyclone oil separators FP-OS-40-218, FP-OS-80-318 and FP-OS-200-418.
We also recommend double-checking that the selection is correct, since The FP-OS-40-218 is equivalent in performance to the FP-OS-25, due to the fact that cyclone oil separators are combined (oil separator and oil sump) and the oil is separated only in half the capacity ie. in volume ~ 20 l.

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