... 0.8± 0.05Max. fuel heatingtemperatureDegree ces.135Minimum fuel feed ratio Equal or upper than 2Rated fuel viscosity(temperature) controlrangecst (D ... the fuel meet the requirements of internal combustion engines.(2)This unit is composed of oil feed pump,circulating pump , ... very ordinary model,its configuration integrates oil feed pump,circulating pump,strainer,auto filter or duplex backwash filter, ...