Model A-1 Baker Perkins Podbielniak Centrifuge - 316 S/S Mfr.: Baker Perkins, Model A-1 Podbielniak Contactor Centrifuge, Type- 316 stainless steel construction, S/N 57715, bowl speed 10,000 RPM, rated 250 psi @ 250 F, 3 HP, 3/60/230- 460 volt explosion proof vari-drive, mounted on base with pump.