... ,ISO9001 1.5''-4'' air-cooled 4-stroke Gasoline Sewage Water Pump FEATURE1.Larhe fuel tank for hours of continuous operation2.Aluminum alloy high pressure casting ... -cooled and water-cooled diesel generator,engineering devices,mining machine,electrical appliance, water-heating,metal products, electro-mechanic spare parts etc.. 1.5''-4'' air ...