Changsha Zoomlian Pump Co., Ltd. 长沙中联泵业股份有限公司

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    What are the common types of boiler feedwater pumps?

    Publication Date:

    2025-09-07

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    Selection Boiler feed water pump When selecting, many people get confused by the myriad of models: which pump is really suitable for their boiler? Don't worry, Zhonglian Pump Industry has been deeply involved in the pump equipment field for many years and has seen many pitfalls in selection. Today, as a boiler feed water pump manufacturer, Zhonglian Pump Industry shares its best-kept experience to help you quickly lock in the right pump type. Choosing the right one instead of the most expensive depends mainly on the boiler size, pressure requirements, and operating environment. Following these common types will basically avoid mistakes.

     

    Single-stage centrifugal pumps are common for small boilers. They cover flow rates from a few cubic meters to several tens of cubic meters, with moderate pressure, suitable for 10 steam boilers under a few tons. Their simple structure allows easy repair; experienced factory technicians can quickly identify problems, resulting in low maintenance costs. They are very convenient for small workshops or small heating stations.

     

    Single-stage centrifugal pump

     

    If the boiler tonnage increases, for example, 20 industrial boilers over several tons, multi-stage centrifugal pumps are needed. These pumps connect multiple impellers in series and are more pressure-resistant than ordinary multi-stage pumps, with pressure reaching up to 180 kg. When the boiler pressure exceeds 10MPa this, their advantages become apparent. The impellers and pump casing are designed in sections, providing strong impact resistance. High-temperature and high-pressure water flows inside without easily causing faults, and the flow remains stable. Large boilers in chemical plants and power plants almost all rely on them for water supply. However, they must be firmly fixed during installation to avoid excessive vibration during operation.

     

    Multi-stage centrifugal pump

     

    When selecting a boiler feed water pump, don't just look at the parameters. Ask the boiler manufacturer for the recommended flow and head range, and combine that with your factory's maintenance capabilities. This will basically help you lock in the suitable pump type. If unsure, you can also have our Zhonglian Pump Industry technicians visit the site. After all, a good match will save a lot of trouble later.

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    Working Principle and Common Faults of Boiler Feed Water Pump