... – 22 - 33 – 65 – 98 – 20(1)Fuel supply unit is the fuel control equipment before the fuel enters into ... combustion engine,when the fuel goes through the supply unit inside,it can remove partial mechanical impurities and ensure ... meet the requirements of internal combustion engines.(2)This unit is composed of oil feed pump,circulating pump ,strainer ... the technique data . Marine Heavy Fuel Oil booster Unit