separate diesel oil,lubricated oil and HFO380cst/50 celsius degree or other HFO ... steel plate heater,auto temperature control executor,oil feed pump,slag oil pump,sensor and control box as well ... unit can be applied in separating diesel oil,lubricated oil and heavy fuel oil,of which hot water heating separator can only ... degree HFO or higher viscosity grades. heavy fuel oil lube oil diesel oil purifier