The unit is an Alfa Laval centrifuge, model VNPX507SGD-31GO, S/N 4119556-2002, Product No. 881222-01-01,
Machine 567776-01, Bowl 567723-01, Machine Bottom Part 548071-09, Max speed bowl 8400 r/min,
Speed motor shaft 3600 r/min.

Last used in beer production.  The original Owner upgraded to larger centrifuges and has put this on the market for sale.