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1. Impeller: The impeller is the main working part of a centrifugal pump, which is composed of a hub and a number of blades. The blades are connected to the hub at an angle, and the blades are curved to form a curved surface. This curved surface is designed to create a pressure differential in order to propel fluid through the pump. The material of the impeller is usually made of cast iron or stainless steel, and the shape and number of blades are designed according to the specific flow conditions and application. 2. Shaft: The shaft is the connecting part between the impeller and the motor, and is usually made of high-strength steel or stainless steel. The shaft has to be able to transmit the torque generated by the motor to the impeller, while also preventing it from bending or vibrating. 3. Bearing: The bearing is an important part of the centrifugal pump, and is usually made of high-precision steel or stainless steel. It is designed to reduce friction between the rotating shaft and the stationary body of the pump, and also to support and protect the shaft from wear and tear. 4. Seals: The seals are used to prevent fluid from leaking from the pump, and are usually made of rubber or other materials to provide a tight seal. It is important to choose the right type of seal for the specific application in order to ensure that the pump is running properly and without any leaks. 5. Casing: The casing is the part of the pump that houses the other components, and is usually made of cast iron or stainless steel. The casing is designed to hold the other components in place and to protect them from damage due to external factors.
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