... 22 - 33 – 65 – 98 – 20(1)Fuel supply unit is the fuel control equipment before the fuel enters into internal combustion engine,when ... which can guarantee the diesel engine run in best condition.(4)KHVU-CIII-XE-C is the very ordinary model, ... backwash filter,flow meter,mixed oil tank ,composite heating device,viscosity and temperature control system with the technique data . Heavy Fuel Oil booster Unit