... ISO9001 1.5''-4'' air-cooled 4-stroke Gasoline Sewage Water Pump FEATURE1.Larhe fuel tank for hours of continuous operation2 ... MODELYW40GP-1.5"YW50GP-2"YW80GP-3"YW100GP-4"Water PumpInlet and outlet inside diameter(mm)40(1.5inch)50(2inch)80 ... wide range of electromechanical products,covering water pimps,motors, gasoline generator set,air-cooled and water-cooled diesel generator,engineering devices,mining ...