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Another critical factor in impeller design is the material used for construction. Sewage pump impellers can be made from various materials, including cast iron, stainless steel, or thermoplastics. The choice of material depends on the chemical composition of the waste being pumped. For example, stainless steel impellers offer excellent corrosion resistance, making them suitable for applications involving harsh chemicals.

Function: Seals prevent slurry from leaking out of the pump and protect the internal components.

   - Consider the type of seal (e.g., mechanical seals, packing) based on the slurry's properties and operating conditions.

   - Concentration: Measure the percentage of solids by weight or volume in the slurry.

   - Flow Rate: Determine the required flow rate (typically in cubic meters per hour or gallons per minute).

Efficient Horizontal Slurry Pumps Transport in Mining Operations

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

Assessing Head and Pressure in Centrifugal Slurry Pumps