Centrifugal pump is based on this principle. Impeller blades rotating at high speed rotation drive water D6-25 * 7 multistage centrifugal pump, the water out, so as to achieve the purpose of transportation. Centrifugal pump has a good variety. From the use can be divided into civil and industrial pumps, from the transmission medium can be divided into clear water pump, trash pump, corrosion resistant pumps and so on. Shaft seal in the form of a mechanical seals and packing two, when packing centrifugal pump, the position packing rings placed to the right, the tightness of the packing must be appropriate to the liquid can drop by drop oozing appropriate. Various sealing element is mounted pump seal cavity, the cavity to pass into certain pressure of water D6-25 * 6 multi-stage centrifugal pumps from the water seal, water, or water lubricated in, fitted in shaft seal replaceable bushings to protect shaft. D6-25 * 3 _ multistage centrifugal pump manufacturer (certified) _ Limited provided by the Shijiazhuang-centrifugal pump to send. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) is Shijiazhuang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Pump in Shijiazhuang-school leadership with the staff warmly welcome all inquiries negotiations to create the Shijiazhuang-pump send a better future.