Multistage Pumps
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Multistage Pumps
A multistage pump is a type of centrifugal pump that uses multiple impellers to achieve higher pressure than a single-stage pump. Each impeller in a multistage pump sequentially boosts the fluid’s pressure, enabling the pump to deliver high-pressure output.
Key Features:
- Multiple Impellers: The defining characteristic of a multistage pump is the presence of two or more impellers mounted on the same shaft.
- Sequential Pressure Increase: Each impeller adds kinetic energy to the fluid, which is then converted into pressure energy by the diffuser.
- High Pressure Output: The cumulative pressure increase from each stage allows multistage pumps to generate significantly higher pressure than single-stage pumps.
- Horizontal or Vertical Configurations: Multistage pumps can be designed horizontally (impellers and diffusers in series) or vertically (impellers stacked vertically).
- Wide Range of Applications: They are used in applications requiring high pressure, such as boiler feed pumps, water supply, and high-pressure cleaning.
Benefits:
- High Pressure Capability: Suitable for applications demanding high pressure, such as boiler feed systems and high-rise water supply.
- Versatile Applications: Used in various industries, including power generation, oil and gas, and water treatment.
- Efficient for High Heads: Effective in situations where a high head (pressure) is needed.
specification:
| Industries | Water, pulp and paper, power, other industries |
| Design | Multi-stage, closed impellers |
| Head | Up to 800 m |
| Flow rate | Up to 400 m³/h |
| Pressure | Up to 100 bar |
| Temperature | Up to 160° C |
| Efficiency | Up to 78% |