Booster Pump

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A booster pump is a type of pump that is used to increase the pressure of a liquid or gas. This type of pump is commonly used in water systems, such as in municipal water supply systems or in irrigation systems, to increase the pressure of the water so that it can be transported over long distances or through small pipes. Booster pumps can also be used in other systems, such as air conditioning systems or fuel systems, to increase the pressure of the fluid being transported.

Centrifugal booster pump station

Booster Pump Types

There are several types of booster pumps that are commonly used, including:

  1. Centrifugal pumps: These pumps use a spinning impeller to increase the pressure of the liquid or gas.
  2. Positive displacement pumps: These pumps use a piston, diaphragm, or other mechanical means to move a fixed volume of liquid or gas through the pump.
  3. Multistage pumps: These pumps use multiple impellers or pistons to increase the pressure of the liquid or gas in multiple stages.
  4. Inline pumps: These pumps are installed in the line of the fluid being transported, allowing for a more compact and efficient design.
  5. Submersible pumps: These pumps are designed to be submerged in the liquid being pumped, allowing for easy installation and maintenance.
  6. Variable frequency drive (VFD) pumps: These pumps use an electronic control system to adjust the speed and flow rate of the pump, allowing for greater control and energy efficiency.

Booster pump applications

In building and construction, booster pumps are often used to increase the pressure and flow of water in sprinkler systems and fire suppression systems. These pumps are typically installed in the basement or mechanical room of a building, and they are activated in the event of a fire to provide the necessary water pressure and flow to suppress the fire.

In swimming pools, booster pumps are used to increase the flow of water through the pool’s filtration system. These pumps are typically located in a pump room or mechanical area near the pool, and they are responsible for circulating the water through the filtration system and keeping it clean and clear.

In plumbing systems, booster pumps are used to increase the flow and pressure of hot and cold water. Hot water booster pumps are used to increase the flow of hot water in a plumbing system, while cold water booster pumps are used to increase the flow of cold water. These pumps are often used in homes and buildings that have a high demand for hot or cold water and that need to ensure that the water is delivered quickly and efficiently to fixtures.

Overall, booster pumps are an essential component of many different types of systems and applications, and they play a vital role in ensuring that liquids are delivered at the necessary pressure and flow.

Booster Pump Sizing

The size of a booster pump will depend on the specific application and the flow rate and pressure requirements of the system. To determine the size of the pump needed, the following factors should be considered:

  • The flow rate of the liquid or gas being pumped: The flow rate is the volume of liquid or gas that the pump needs to move per unit of time. This is typically measured in gallons per minute (GPM) or liters per minute (LPM).

Flow Rate Calculator

Enter the flow rate in gallons per minute:

Flow rate in liters per minute:


  • The total dynamic head (TDH): The TDH is the total resistance to flow in the system, including the pressure drop due to friction in the pipes and fittings, the elevation change between the inlet and outlet of the pump, and any additional pressure required by the system. This is typically measured in feet or meters of head.

Total Dynamic Head Calculator

Enter the values for the following factors:

Pressure drop due to friction in pipes and fittings (ft or m):

Elevation change between inlet and outlet (ft or m):

Additional pressure required by the system (ft or m):

Total dynamic head:


  • The desired flow rate and pressure at the outlet of the pump: The desired flow rate and pressure at the outlet of the pump will depend on the specific requirements of the system.

There are several factors to consider when determining the desired flow rate and pressure at the outlet of the pump. These may include the type of liquid or gas being pumped, the distance and elevation change between the inlet and outlet of the pump, the size and layout of the piping system, and the type of equipment or devices that will be connected to the pump.

It is important to carefully consider these factors and to ensure that the pump is sized correctly to meet the desired flow rate and pressure at the outlet. If the pump is not sized correctly, it may not be able to meet the demands of the system, which can lead to reduced performance and efficiency.

Booster pump package

Once these factors are known, the size of the booster pump can be determined by consulting a pump performance curve or by using a pump sizing calculator. It is important to select a pump that is capable of delivering the required flow rate and pressure at the desired efficiency.

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