The use of self-balancing multi-stage centrifugal pumps in the production of life is getting higher and higher, to understand its design features, not only help to improve production efficiency, reduce the frequency of misuse, but also in the event of failure, Initial repair. Therefore, understanding the design characteristics of self-balancing multistage centrifugal pumps are very necessary. Today Xiaobian introduces the design features of self-balancing multistage centrifugal pumps for your reference. The design of the ZPD self-balancing multistage centrifugal pump is based on practical safety, economy, trouble-free movement and low maintenance costs throughout the entire pump operation. Self-balancing multistage centrifugal pump (picture from the network) 1, high-strength, high-quality materials and a variety of choice of import and export flange and take over design to improve the high pump allowable load, high strength, high quality Pump shell structure and material structure of the service life is 5 times the normal castings, overcurrent parts impeller, guide vane using precision casting, smooth and smooth than the average casting efficiency increased by 2%. 2, at any time to meet the user's special circumstances under the system's specific requirements. Fast assembly and disassembly design allows the pump to be replaced without seals, bearing components and parts without overhauling the pump body and inlet and outlet lines, ensuring minimal overhaul and inspection time. High efficiency, high reliability and low cost combination. Through the best combination of impeller and guide vane, as well as the reasonable fit clearance and wide axial throttling design, the ZPD self-balance multistage centrifugal pump can still maintain its high stability and high running after long-term operation effectiveness. 3, good cavitation performance: the use of excellent impeller hydraulic model or a special double-suction impeller structure, users do not need to configure the front pump or increase the height of the inlet tank. Symmetrical arrangement of the impeller rotor parts, rotor parts on both ends of the impeller points high and low pressure, the axial force offset each other and balance the pump transient operation of the transient axial force and machining errors and spiral residual pressure generated by the axial force, It is borne by the thrust bearing mechanism of the bearing components. This kind of pump cancels the axial force balance mechanism such as balancing disc or balance drum, completely avoids the rotor locking due to the failure of the balance disc or the balance drum caused by the change of the pump working condition, , Broken shaft, or even the occurrence of burned motor accident. 4, safe pump seal design: According to different pressure and structure, the pump body adopts metal to face hard seal or O-ring seal of metal surface. According to user requirements, increase the middle tap and the minimum flow system. The pump can be replaced without the import and export of bearings in the case of replacement, sealed. This article belongs to Industrial Internet (Xiamen) Technology Co., Ltd. All are welcome to reprint, please indicate the author and source. Author: Asian pumps Network Editor: Yue Lijuan (QQ / micro letter:) starting: http: //beng.liuti.cn/ (service hotline:)
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