... lines, easy to use Model of compressor unit type compressor nominal power ( HP / KW ) compressor weight (KW) remark 4VB12-FNJ4VB12 ... refrigeration compressors and parallel interfacing ultra-low temperature refrigeration compressor, turbine, widely used in chemical industry, oil ... frozen and refrigerated large-scale cold storage. Penguin semi-closed compressor is characterized by small size, low noise, ...