This series of diesel pump sets with the advanced and reasonable structure, high efficiency, little vibration, low noise, smooth operation, reliable and convenient advantages of Assembly and Disassembly of diesel pump sets in this series are available for delivery 80 C below the water and physical and chemical properties similar to the water, other liquids mainly applicable to fire-fighting system, water plant, building water supply, irrigation and drainage pumping stations, power plants, industrial water supply systems, shipbuilding industry, mine drainage and petroleum, chemical, and metallurgical industries of liquid occasions.