... dual-separators combined full auto-control unit(2 sets single separator units into one base to realize ... heaters,auto temperature control executor,triple valves,oil feed pumps,sludge oil pumps,solenoid valves set,sensor and ... steam(-S) or by conducted oil(-O) to separate diesel oil,lubricated oil and 380cst/50 celsius degree HFO ... with auto history record copy etc. automatic heavy oil purifier module