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

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    Structure, Working Principle, and Application Fields of Single-Stage Centrifugal Pumps

    Single-stage centrifugal pumps, from a structural perspective, are further divided into single-stage single-suction centrifugal pumps (also known as end-suction pumps) and single-stage double-suction centrifugal pumps (also known as mid-open pumps). These pumps are suitable for conveying media such as clean water, mildly corrosive liquids, and low-concentration mineral slurries. In this article, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, will introduce the structure, working principle, and application fields of single-stage centrifugal pumps, providing users with a basic understanding of these pumps.

    12-12

    2025

    Structure, Working Principle, and Application Fields of Single-Stage Centrifugal Pumps
    Structure, Working Principle, and Application Fields of Single-Stage Centrifugal Pumps

    Centrifugal Pump Head Selection for the Chemical, Municipal, and Water Supply Industries: Influencing Factors and Compliance Considerations

    In fields such as modern industrial engineering, building water supply, and municipal water utilities, the scientific design and optimized selection of centrifugal pump head are critical steps for ensuring stable operation of pump stations and achieving energy savings and reduced consumption. These factors also directly impact the reliability of the entire fluid transport system and the control of its life-cycle costs. In this article, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, will introduce the influencing factors and compliance considerations for selecting the appropriate head for centrifugal pumps in the chemical, municipal, and water supply industries, providing valuable reference for users of centrifugal pumps.

    12-11

    2025

    Centrifugal Pump Head Selection for the Chemical, Municipal, and Water Supply Industries: Influencing Factors and Compliance Considerations
    Centrifugal Pump Head Selection for the Chemical, Municipal, and Water Supply Industries: Influencing Factors and Compliance Considerations

    What are the advantages and disadvantages of a single-stage, double-suction, center-split centrifugal pump?

    12-10

    2025

    What are the advantages and disadvantages of a single-stage, double-suction, center-split centrifugal pump?
    What are the advantages and disadvantages of a single-stage, double-suction, center-split centrifugal pump?

    Technical Specifications and Practical Selection Guide for Packing Seal Technology in Multi-stage Pumps Used in Mine Drainage

    As the core equipment of mine drainage systems, multistage pumps for mining applications are horizontal, multistage centrifugal pumps—also known as multistage centrifugal pumps. Their primary application scenario is the discharge of groundwater in mines (including mine water containing fine particulate matter, but not slurry). In this article, Changsha Zhonglian Pump Industry, a manufacturer of multistage pumps for mining applications, shares technical specifications and practical guidelines for packing seal selection and installation for multistage pumps used in mine drainage, providing valuable reference for user organizations.

    12-09

    2025

    Technical Specifications and Practical Selection Guide for Packing Seal Technology in Multi-stage Pumps Used in Mine Drainage
    Technical Specifications and Practical Selection Guide for Packing Seal Technology in Multi-stage Pumps Used in Mine Drainage

    Application and Technical Advantages of Multistage Centrifugal Pumps in Coal Mine Drainage

    In coal mine production, multistage centrifugal pumps are core equipment for critical processes such as mine drainage and coal slurry transportation. Their stable operation directly affects mine safety, production continuity, and the protection of the working environment. With technological advancements, modern multistage pumps have been continuously optimized in terms of efficiency, reliability, and ease of maintenance and operation, making them indispensable fluid-handling equipment in the coal mining industry—often referred to in the industry as “mining multistage pumps.” In this article, Changsha Zhonglian Pump Industry, a manufacturer of multistage centrifugal pumps, will provide a detailed introduction to the applications and technical advantages of multistage centrifugal pumps in coal mine drainage.

    12-08

    2025

    Application and Technical Advantages of Multistage Centrifugal Pumps in Coal Mine Drainage
    Application and Technical Advantages of Multistage Centrifugal Pumps in Coal Mine Drainage

    What factors need to be considered when selecting a wear-resistant multistage pump for non-metallic minerals?

    As an important piece of industrial equipment, wear-resistant multistage pumps for non-metallic mines require consideration of numerous factors during the selection process. These selection factors include flow rate, head, medium characteristics, operating temperature, working pressure, materials, operational reliability, and cost-effectiveness—among many others. Only by comprehensively taking these factors into account can one select the most suitable multistage pump for mine drainage and ensure its reliability. In this article, Changsha Zhonglian Pump Industry, a manufacturer of multistage pumps, shares some key considerations for wear-resistant multistage pumps used in non-metallic mines, providing valuable reference for user organizations.

    12-05

    2025

    What factors need to be considered when selecting a wear-resistant multistage pump for non-metallic minerals?
    What factors need to be considered when selecting a wear-resistant multistage pump for non-metallic minerals?

    Operating Procedures and Precautions for Replacing Mechanical Seals in Chemical Pumps

    Mastering the scientific installation and removal procedures can effectively extend the seal’s service life by more than 30%, reduce downtime losses, and enhance overall operational efficiency. In this article, technical engineers from Changsha Zhonglian Pump Industry, a manufacturer of chemical pumps, will share the operational methods and precautions for replacing mechanical seals in chemical pumps, providing valuable reference for user organizations.

    12-04

    2025

    Operating Procedures and Precautions for Replacing Mechanical Seals in Chemical Pumps
    Operating Procedures and Precautions for Replacing Mechanical Seals in Chemical Pumps

    Why the inlet water temperature of a centrifugal pump must be strictly controlled and the hazards of excessively high temperatures.

    When a centrifugal pump is in operation, an excessively high inlet water temperature is by no means a "minor issue"—rather, it serves as the direct trigger for cavitation. The destructive power of cavitation far exceeds common perception, systematically shortening the service life of the pump unit, causing cascading failures, and resulting in irreversible economic losses. In this article, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, provides an in-depth analysis—from the microscopic mechanisms to the macroscopic impacts—of why the inlet water temperature of centrifugal pumps must be strictly controlled and highlights the dangers associated with excessively high temperatures.

    12-03

    2025

    Why the inlet water temperature of a centrifugal pump must be strictly controlled and the hazards of excessively high temperatures.
    Why the inlet water temperature of a centrifugal pump must be strictly controlled and the hazards of excessively high temperatures.

    Functions, Principles, and Selection Recommendations for Valves in Multi-stage Pump Systems

    Changsha Zhonglian Pump Industry, a manufacturer of multistage pumps, will provide you with an in-depth analysis of the critical role valves play—and the sophisticated working principles behind them—under high-flow, low-cavitation conditions. We’ll also offer professional guidance on equipment selection and system optimization tailored to your needs.

    12-02

    2025

    Functions, Principles, and Selection Recommendations for Valves in Multi-stage Pump Systems
    Functions, Principles, and Selection Recommendations for Valves in Multi-stage Pump Systems

    Names of Core Wear-Resistant Components and Maintenance Methods for Mine-Use Multi-Stage Centrifugal Pumps

    12-01

    2025

    Names of Core Wear-Resistant Components and Maintenance Methods for Mine-Use Multi-Stage Centrifugal Pumps
    Names of Core Wear-Resistant Components and Maintenance Methods for Mine-Use Multi-Stage Centrifugal Pumps

    Methods for Handling Air Leaks in Horizontal Multistage Centrifugal Pumps

    11-28

    2025

    Methods for Handling Air Leaks in Horizontal Multistage Centrifugal Pumps
    Methods for Handling Air Leaks in Horizontal Multistage Centrifugal Pumps

    Method for Selecting Motors to Be Used with Self-Balancing Multistage Pumps

    11-27

    2025

    Method for Selecting Motors to Be Used with Self-Balancing Multistage Pumps
    Method for Selecting Motors to Be Used with Self-Balancing Multistage Pumps
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