A centrifugal pump is composed of many parts, mainly: the pump body, impeller, pump shaft and other major components. The quality of the parts directly affects the quality of the pump. When the centrifugal pump parts failure, whether it is to replace the new parts or centrifugal pump on the original parts, before they are assembled into a whole centrifugal pump, it should carefully check the quality, in order to ensure the overall quality of the centrifugal pump. According to the relevant technical staff, most parts of the over-current part of the centrifugal pump is cast as a whole, the casting dimensional accuracy and surface roughness directly affect the performance of the pump. At the same time, the exact size of the casting is a necessary condition for the safe operation of the pump. For example, casting size deviation is too large, may result in uneven casting thickness, too thin and easily damaged. Centrifugal pump impeller centrifugal pump The main components of the quality requirements are as follows: ① pump, impeller, brackets and other castings, there should be no slag, porosity, trachoma, flash, burrs and other casting defects; ② pump, impeller and other flow channels must be smooth ; ③ impeller must be static balance test, if necessary, dynamic balance test, the test results should meet the relevant standards; ④ for large pump body, impeller, pump shaft, if necessary, non-destructive testing; ⑤ for the high-pressure pump housing When necessary, hydraulic pressure test, pressure test pressure. The so-called details determine the success or failure of a small component in terms of technology, technology or material quality should be done better. In recent years, with the development of our country in the field of urban sewage treatment and energy and chemical industry, the demand for centrifugal pump products is getting larger and larger, and the centrifugal pump product market is ushering in a booming period. With the continuous development of the market, China's centrifugal pump technology will have new innovations and breakthroughs. This article is copyrighted industry interconnect (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network (CEO QQ / micro letter: 18,189,528) Editor: Blue Golden Flower (QQ / micro-channel:) starting : Http://beng.liuti.cn/ (Service Hotline:)

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