Is centrifugal pump is a new type of single stage single suction horizontal clear water centrifugal pump designed according to the performance and size stipulated by international standard ISO2858. The technical standard of is centrifugal pump is close to the international standard, and its versatility is wide. There are 140 kinds of specifications in the whole series, but only four kinds of shafts are used. Shafts, bearings, shaft seals, impeller fasteners, etc. of the same specification are interchangeable; there are only four types of suspension for the full range of pumps. Reach the international advanced level. It is one of the energy-saving pump products popularized in our country. The pump is rear-open, and when the pump cover and impeller are removed, the suction and discharge lines need not be removed. The suspension is equipped with two ball bearings lubricated with machine oil or grease. The pump is driven directly by the motor through an elastic coupling. The cochlear chamber, foot, inlet flange and outlet flange are cast as a whole.Water for suction and physical and chemical properties similar to water does not contain solid particles of the liquid. It is widely used in industry and agriculture and cities, drainage, fire water supply and so on.