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Centrifugal Pump Selection Aid

Centrifugal pumps are a popular type of pump used for various industrial applications, including fluid handling, wastewater management, and chemical processing. In this blog, we will discuss the different types of centrifugal pumps and their key features.




  1. End-Suction Centrifugal Pumps: End-suction centrifugal pumps are the most commonly used type of centrifugal pump. These pumps have a single inlet and outlet, and the impeller is located at the end of the shaft. They are ideal for low-viscosity fluids and are often used in water supply and HVAC applications.

Key Features:

  • Single suction and discharge port

  • Simple construction

  • Easy to install and maintain

  • Low cost

  • Suitable for low-viscosity fluids

  1. Split-Case Centrifugal Pumps: Split-case centrifugal pumps have a horizontally split casing, which allows for easy access to the internal components. The impeller is located between the casing halves, and the suction and discharge nozzles are located on the top of the casing. These pumps are ideal for high-flow, low-to-medium pressure applications.

Key Features:

  • Horizontal split casing for easy maintenance

  • Double suction impeller for balanced flow

  • Suitable for high-flow, low-to-medium pressure applications

  • Can handle solids up to a certain size

  1. Vertical Inline Centrifugal Pumps: Vertical inline centrifugal pumps have a vertical orientation, with the motor located above the pump. These pumps have a single impeller and are often used in HVAC and water supply applications.

Key Features:

  • Vertical orientation for space-saving installation

  • Single impeller for simple operation

  • Easy to maintain

  • Suitable for low-to-medium flow applications

  1. Multistage Centrifugal Pumps: Multistage centrifugal pumps consist of two or more impellers mounted on a common shaft, which allows for increased pressure and flow rate. These pumps are often used in high-pressure applications, such as water treatment and chemical processing.

Key Features:

  • Multiple impellers for increased pressure and flow rate

  • Suitable for high-pressure applications

  • Can handle low-to-medium viscosity fluids

  • Often used in water treatment and chemical processing

  1. Self-Priming Centrifugal Pumps: Self-priming centrifugal pumps are designed to remove air from the suction line and prime themselves without external assistance. These pumps are often used in applications where the pump is located above the fluid level.

Key Features:

  • Can prime themselves without external assistance

  • Ideal for applications where the pump is located above the fluid level

  • Suitable for low-to-medium viscosity fluids

  • Often used in water supply and wastewater treatment applications


In conclusion, there are various types of centrifugal pumps available, each with its own unique features and benefits. The choice of pump will depend on the specific application and fluid being handled. It's important to choose the right pump for the job to ensure efficient and reliable operation.


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