1, high strength, high quality materials and a variety of options, the import and export flange and take over design to improve the high pump allowable load, high strength, high quality pump shell structure, material structure, close life is normal casting 5 times, over-current parts impeller, guide vane using precision casting, smooth and more than ordinary casting efficiency increase of 2%. At any time to meet the user's special circumstances, the system's specific requirements.
2, fast assembly and disassembly design, allowing the pump without removing the pump and inlet and outlet pipelines to replace the seal, bearing parts, to ensure that less overhaul and inspection time.
3, high efficiency, high reliability, 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 high-pressure multistage centrifugal pump can still maintain its high stability and high running after long-term operation effectiveness.
4, the symmetrical arrangement of the impeller rotor parts, rotor parts on both ends of the impeller points of high and low pressure, the axial force offset each other and balance the instantaneous axial force of the pump working condition and the residual shaft due to machining errors and spiral seal To the force, the thrust bearing institutions bear the bearing components, such pumps canceled balance plate or balancing drum and other axial force balancing mechanism, completely avoid the pump operating conditions due to instantaneous change, balance disc or balance drum failure caused by rotor lock , Parts damaged, broken shaft, and even the occurrence of burned motor accidents.
5, safe pump seal design. Depending on the pressure and structure, the pump body is faced with a metal seal or O-ring seal on the metal surface.
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