What types of chemical centrifugal pumps are there?
Release time:
2025-02-14
1. Classification by the number of working impellers
Single-stage centrifugal pump: There is only one impeller on the pump shaft, suitable for occasions with low lift and large flow.
Multi-stage centrifugal pump: There are two or more impellers on the pump shaft, achieving lift through the series operation of multiple impellers. Multi-stage centrifugal pumps are commonly used in environments that require long-distance transportation or overcoming greater resistance.
2. Classification by working pressure
Low-pressure centrifugal pump: Working pressure is low, suitable for transporting low-pressure liquids.
Medium-pressure centrifugal pump: Working pressure is moderate, suitable for liquid transportation under medium pressure.
High-pressure centrifugal pump: Working pressure is high, suitable for liquid transportation in high-pressure environments.
3. Classification by impeller water inlet method
Single-side inlet pump (single suction pump): There is only one water inlet on the impeller, suitable for occasions with small flow.
Double-side inlet pump (double suction pump): There is one water inlet on each side of the impeller, which can balance axial forces, improve the stability and efficiency of the pump, and is suitable for occasions with large flow.
4. Classification by pump shaft position
Horizontal centrifugal pump: The pump shaft is in a horizontal position, compact in structure, easy to install and maintain, suitable for various chemical production occasions.
Vertical centrifugal pump: The pump shaft is perpendicular to the ground, occupies a small area, suitable for occasions with limited space.
5. Special types
Self-balancing multi-stage centrifugal pump: It has the function of automatically balancing axial forces, which can reduce pump vibration and wear, improving the stability and service life of the pump.
High-temperature pipeline centrifugal pump: Suitable for liquid transportation in high-temperature environments, usually made of high-temperature materials and special sealing structures.
6. Other classification methods
In addition, chemical centrifugal pumps can also be classified based on material, sealing method, driving method, etc. For example, by material, they can be divided into stainless steel centrifugal pumps, cast iron centrifugal pumps, etc.; by sealing method, they can be divided into mechanical seal centrifugal pumps, packing seal centrifugal pumps, etc.; by driving method, they can be divided into electric centrifugal pumps, pneumatic centrifugal pumps, etc.
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