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   - Review the performance curves for the selected pump models to ensure they meet your flow rate and head requirements.

   - Throat Bush: Protects the area around the impeller eye where the slurry first enters.

There are several types of impellers used in sewage pumps, each with distinct features catering to various types of sewage applications. The most common types include open, semi-open, and enclosed impellers. Open impellers have no front shroud, allowing for larger solids to pass through without clogging. This makes them ideal for handling raw sewage containing debris. Semi-open and enclosed impellers, on the other hand, are more suitable for cleaner liquids, offering better efficiency and pressure generation.

These flanges serve as the connection points for the inlet and outlet of the pump. Proper alignment and sealing of these flanges are vital to ensure the efficient operation of the pump and to prevent leaks. They can vary in size and shape depending on the specific application and the system's design.

   - Most slurry pump manufacturers provide selection charts that correlate slurry characteristics and operating conditions with suitable pump models.

Function: The expeller and expeller rings work together to reduce the pressure and minimize leakage from the pump.

6. Bearing Assemblies