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

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    Sharing Development Opportunities, Zoomlion Pump Makes Appearance at China-Africa Economic and Trade Expo

    2025-06-18

    Sharing Development Opportunities, Zoomlion Pump Makes Appearance at China-Africa Economic and Trade Expo

    The year 2025 marks the 25th anniversary of the Forum on China-Africa Cooperation (FOCAC) and is also the inaugural year for implementing the outcomes of the 2024 FOCAC Beijing Summit. This year commemorates the 25th anniversary of FOCAC, under whose guidance China-Africa relations have achieved leapfrog development. China has established strategic partnerships with all 53 African countries with diplomatic ties, trade volume between China and Africa has increased nearly 30 times, and Chinese investment in Africa has grown nearly 100 times, bringing tangible benefits to the peoples of China and Africa.

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    Some precautions for installing wear-resistant multistage centrifugal pumps for mining applications.

    Some precautions for installing wear-resistant multistage centrifugal pumps for mining applications.

    The installation quality of wear-resistant multistage centrifugal pumps for mining applications directly determines their operational efficiency, service life, and system stability. A scientifically standardized installation procedure is essential to ensure that the equipment performs at its optimal level. Below, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, provides detailed guidance on several key considerations for installing wear-resistant multistage centrifugal pumps for mining applications—from pre-installation preparation and core installation steps to post-installation inspection and commissioning. The guide also corrects common operational misconceptions and serves as a valuable reference for user organizations during pump installation.

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    19

    2025-12

    Technical Principles and Necessity of Dynamic Balancing Inspection for Horizontal Multistage Pump Rotors

    Technical Principles and Necessity of Dynamic Balancing Inspection for Horizontal Multistage Pump Rotors

    Dynamic balancing inspection of horizontal multistage pump rotors is a critical quality-control step in the manufacturing process of pump equipment. This inspection is performed using a specialized dynamic balancer: the pump rotor—including components such as impellers and shafts—is securely mounted on the balancer. By rotating the rotor and measuring its vibration signals, the magnitude and phase of any imbalance are precisely calculated. Subsequently, balance weights are added or removed to adjust the mass distribution, ensuring that the rotor’s center of gravity coincides with the axis of rotation. In this article, Changsha Zhonglian Pump Industry, a manufacturer of multistage pumps, will introduce the technical principles and necessity of dynamic balancing inspection for horizontal multistage pump rotors.

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    18

    2025-12

    Principles and Operation Methods & Steps for Priming the Pump Before Starting a Multistage Pump

    Principles and Operation Methods & Steps for Priming the Pump Before Starting a Multistage Pump

    Multistage pumps rely on being pre-filled with liquid inside the pump body. As the impeller rotates at high speed, it generates centrifugal force, thereby creating a vacuum that draws liquid into the pump. If air is present in the pump body, its compressibility will prevent the necessary vacuum from being established, causing the pump to run dry and fail to deliver liquid properly. In severe cases, this can even damage the mechanical seal and bearings. In this article, Changsha Zhonglian Pump Industry, a manufacturer of multistage pumps, will introduce the principles and operational procedures for priming multistage pumps before startup, for reference by user organizations.

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    17

    2025-12

    What is the difference between a single-suction centrifugal pump and a double-suction centrifugal pump?

    What is the difference between a single-suction centrifugal pump and a double-suction centrifugal pump?

    Clearly identifying these differences is crucial for making accurate equipment selections and ensuring the stable operation of the system. Next, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, will provide a detailed introduction to the differences between single-suction and double-suction centrifugal pumps, offering users a professional reference for selecting and applying centrifugal pumps.

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    16

    2025-12

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

    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.

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    12

    2025-12

    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

    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.

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    11

    2025-12

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