Impeller: Rotating component that adds kinetic energy to the fluid. Types: Open, semi-open, and closed.
Casing: Encloses the impeller and guides the flow of fluid. Converts kinetic energy into pressure energy.
Types: Volute and diffuser casing.
Shaft: Connects the impeller to the motor. Transmits mechanical energy for impeller rotation.
Shaft Sleeve: Cylindrical cover over the shaft. Protects the shaft from wear, corrosion, and leakage.
Bearings: Support the rotating shaft. Reduce friction and allow smooth rotation.
Mechanical Seal / Gland Packing: Prevent leakage of fluid along the shaft. Mechanical seals are commonly used for efficiency.
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