automatically mainly use centrifugal force to remove water and mechanical impurities from the dirty fuel oil, lube oil, HFO, etc (1)DS-XXX-S/O is an automatic control dual separator unit with two centrifugal purifier,filter,stainless steel plate heater,auto temperature control executor,triple valves,oil feed pump,electric actuator,slag oil pump,sensor and control box as well as alarms system all ...