A booster pump is a centrifugal pump that increases low water pressure and flow. It is mainly used to increase the pressure of water or other fluid flow systems to maintain water pressure in areas with low or fluctuating water pressure. The booster pump is also called a pressure pump. Usually, the booster pump is used in the water delivery system, and the water can easily reach the required height by installing the booster pump. The most common application is the water delivery of high-rise buildings.
The booster pump follows the traditional centrifugal pump working principle, the impeller is connected to the motor or diesel engine through the drive shaft and rotates at high speed. The fluid enters the impeller eye, and the rotational motion of the impeller accelerates the fluid through the impeller blades and is discharged into the pump casing by centrifugal force along its circumference. The action of the impeller increases the velocity and pressure of the fluid and leads it to the pump outlet.
The main goal of the volute is to convert the velocity of the fluid into pressure, thereby increasing its pressure
The impeller is the core part of the booster pump, it has high speed and high output, the impeller on the blade and plays a major role, the impeller should pass the static balance test before assembly. The inner and outer surfaces on the impeller are required to be smooth to reduce the friction loss of water flow. With the help of centrifugal force, this impeller rotates the water axially and radially.
Inlet and Outlet Valves
Water is drawn into the pump through the intake valve. On the other hand, the outlet valve is used to release the water under pressure.
Depending on the application, many types of pumps can be used as booster pumps. Fluid is drawn into the pump and the fluid pressure builds up through the impeller and diffuser housing to deliver the fluid to the desired height
Horizontal Multistage Centrifugal Pump
Used to increase the pressure of liquids that are already flowing
Vertical Multistage Centrifugal Pump
Centrifugal pumps with multiple impellers, which can be used in series for lower volume flow at high pressures
End suction centrifugal pump
Highly configurable pumps that can be used in parallel
In-line centrifugal pump or Pipeline centrifugal pump
Simple structure and smaller installation space for in-line boosting
High-pressure spray cleaning system
Municipal Pressure Maintenance
Boiler feed water
Home utility water supply
Save energy and improve efficiency by connecting a booster pump to a variable frequency drive (VFD) for speed control
VFD can also be used to start a water booster pump and avoid inrush currents, which are typically 5 to 8 times the rated current. Such surges can create unexpected voltage drops that, without a soft-start mechanism, can damage sensitive electronics
When the VFD is connected to the booster pump, you can modify operation in real-time based on building and water supply conditions to maximize energy efficiency. Electronically commutated motors provide optimum energy savings while also providing integrated speed control for low-power applications.
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