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A typical centrifugal pump characteristic curve is shown below. There are several terms associated with the pump characteristic curve that must be defined. Shutoff head is the maximum head that can be developed by a .
An axial-flow pump, or AFP, is a common type of pump that essentially consists of a propeller (an axial impeller) in a pipe. The propeller can be driven directly by a sealed motor in the pipe or by electric motor or petrol/diesel engines mounted to the pipe from the outside or by a right-angle drive shaft that pierces the pipe.
An axial-flow pump, or AFP, is a common type of pump that essentially consists of a propeller (an axial impeller) in a pipe. The propeller can be driven directly by a sealed motor in the pipe or by electric motor or petrol/diesel engines mounted to the pipe from the outside or by a right-angle drive shaft that pierces
Axial Flow Pump Velocity Diagram
In an axial flow pump, the flow of fluid is parallel to the axis of rotation of the impeller. This results in a relatively low-pressure increase as the fluid passes through the pump. The velocity diagram for an axial flow pump shows the fluid entering the impeller at a low velocity, accelerating as it moves through the impeller, and then exiting at a higher velocity.
Axial Flow Pump Manufacturers
There are several reputable manufacturers of axial flow pumps in the market. Some of the well-known manufacturers include:
1. Grundfos
2. KSB
3. Flowserve
4. Sulzer
5. Xylem
These manufacturers offer a wide range of axial flow pumps suitable for various applications and industries.
Single Stage Centrifugal Pump Working
A single-stage centrifugal pump works by converting mechanical energy from a motor into kinetic energy in the fluid being pumped. The rotating impeller of the pump accelerates the fluid radially outward from the center of rotation, creating a flow of fluid through the pump.
Types of Axial Flow Pumps
There are different types of axial flow pumps based on their design and application. Some common types include:
1. Mixed Flow Pumps
2. Propeller Pumps
3. Vertical Axial Flow Pumps
Each type of pump is suited for specific applications and operating conditions.
Axial Flow Impeller Diagram
The impeller of an axial flow pump plays a crucial role in the pump's operation. The impeller blades are designed to efficiently move the fluid in a direction parallel to the impeller shaft. The diagram of an axial flow impeller shows the shape and arrangement of the blades, which are optimized for maximum fluid flow.
Axial Flow Pump vs Centrifugal
While both axial flow pumps and centrifugal pumps are used for fluid transfer, they operate on different principles. Axial flow pumps are designed for high flow rates and low head applications, where the fluid moves parallel to the impeller shaft. In contrast, centrifugal pumps are more suitable for applications requiring higher pressure, as the fluid moves perpendicular to the impeller shaft.
Mixed Flow vs Axial Pumps
Mixed flow pumps are a hybrid between axial flow and centrifugal pumps, combining features of both types. These pumps offer a balance between flow rate and pressure, making them suitable for a wide range of applications. Axial flow pumps, on the other hand, are specialized for high flow, low head applications where efficiency and flow rate are critical.
Axial Flow Pump Diagram
The characteristics of an axial flow pump are shown in the figure. As shown in the figure, the head at the zero flow rate can be as much as three
Vacuum assist pumps combine an impeller and vacuum suction to handle the toughest sewage pumping applications. Construction industries use it for quarry dewatering, while industrial wastewater plants use it for both .
centrifugal pump axial flow|axial flow impeller diagram