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The function of the centrifugal pump coupling is to connect the connecting parts of the centrifugal pump shaft and the motor shaft. A centrifugal pump coupling is a mechanical part that connects an electric motor to a hydraulic device of a centrifugal pump. In the field of centrifugal pump technology, the non-slip centrifugal pump coupling is often used, which can be divided into rigid centrifugal pump coupling and flexible centrifugal pump coupling. Centrifugal pump coupling, some people also call it "backrest wheel", which is the mechanical part that transmits the rotational power of the motor to the pump. Centrifugal pump coupling has two forms of rigidity and flexibility, and the rigid centrifugal pump coupling is actually two ring flanges, which cannot adjust the concentricity of the pump shaft and the motor shaft. Therefore, the installation accuracy is required to be high, and it is often used for the connection of small water pump units and detachable centrifugal pump units.
