... single suction 3. energy saving 4. horizontal centrifugal pumpSpecificationsmultistage pump Iso9001:2000 High effciency energy-saving Low noise Reliable performance ... .D, DG series multistage pumpD type pump is suitable for conveying water or physical and chemical ... and factory building, city water supply, etc.D series multistage pump Flow: 6.3 - 450m³/h, Head: 17.5- ...