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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    Zhonglian Pump Industry's regulating tank lift pumps are perfectly suited for multi-condition sewage transportation, effectively addressing the challenge of blockages.

    Zhonglian Pump Industry's regulating tank lift pumps are perfectly suited for multi-condition sewage transportation, effectively addressing the challenge of blockages.

    The regulating tank lift pump is a critical piece of equipment in industrial wastewater pretreatment and municipal sewage treatment systems, designed to handle challenging operating conditions such as media containing suspended solids and intermittent transportation. Zhonglian Pump Industry has specifically developed a lift pump tailored for regulating tanks, which has already demonstrated stable performance in multiple projects.

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    12

    2025-11

    Understanding the Benefits of a Single Stage Pump in Industrial Applications

    Understanding the Benefits of a Single Stage Pump in Industrial Applications

    Understanding the Benefits of a Single Stage Pump in Industrial Applications Table of Contents Introduction to Single Stage Pumps What is a Single Stage Pump? Advantages of Using Single Stage Pumps in Industrial Applications Key Applications of Single Stage Pumps Single Stage Pump Design and Operation Comparing Single Stage and Multistage Pumps Maintenance of Single Stage Pumps FAQs about Single

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    12

    2025-11

    The Correct Operating Procedures and Precautions for Priming and Starting Multi-Stage Centrifugal Pumps

    The Correct Operating Procedures and Precautions for Priming and Starting Multi-Stage Centrifugal Pumps

    Multi-stage pumps are categorized into balanced-disc horizontal multi-stage pumps and self-balancing multi-stage pumps, representing an important type of centrifugal pump. Thanks to their high head and large flow characteristics, they are widely used in agricultural irrigation and water-lifting operations in hydraulic engineering projects. However, the working principle of centrifugal pumps dictates that the pump body and suction pipeline must be completely filled with liquid—any air trapped inside will prevent the pump from generating sufficient suction pressure, leading to the "air binding" phenomenon. This, in turn, can cause the pump to run dry, fail to deliver water, or even damage the bearings. Therefore, mastering scientific and efficient methods for priming and filling multi-stage pumps is crucial for ensuring stable equipment operation and enhancing the efficiency of engineering tasks. In this article, a multi-stage pump manufacturer will provide practical insights into the correct procedures and key considerations for priming and filling centrifugal (multi-stage) pumps, helping industry professionals perform these operations safely and effectively.

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    11

    2025-11

    Common Faults and Cause Analysis of Double-Suction Center-Opening Centrifugal Pumps

    Common Faults and Cause Analysis of Double-Suction Center-Opening Centrifugal Pumps

    The double-suction mid-open centrifugal pump, a versatile fluid-handling device, is widely used in fields such as water conservancy, municipal engineering, and industrial production. However, during prolonged operation, factors like installation, operator errors, and wear-and-tear can lead to common issues such as no water discharge, abnormal speed, and insufficient suction lift—problems that directly impact system efficiency. Below, technical engineers from Changsha Zhonglian Pump Industry, a leading centrifugal pump manufacturer, share their practical experience to provide a systematic analysis of typical faults and their underlying causes in double-suction mid-open centrifugal pumps, helping users quickly identify and resolve these issues.

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    10

    2025-11

    The Essential Guide to Centrifugal Pumps: Understanding Their Function and Applications

    The Essential Guide to Centrifugal Pumps: Understanding Their Function and Applications

    Centrifugal pumps are vital components in numerous industrial processes, renowned for their efficiency and reliability in transporting liquids. These pumps operate on a straightforward principle: they convert rotational energy, typically from an electric motor, into kinetic energy that propels fluids through the pump system. Understanding how centrifugal pumps function and where they are applied c

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    09

    2025-11

    Solutions and preventive measures for water leakage at the joint between the horizontal multistage centrifugal pump cover and pump body

    Solutions and preventive measures for water leakage at the joint between the horizontal multistage centrifugal pump cover and pump body

    Horizontal multistage centrifugal pumps are widely used in modern industrial applications such as water treatment, chemical transportation, and mine drainage. However, after prolonged operation, leakage at the joint between the pump cover and pump body often becomes a common issue. Such leaks not only lead to the loss of conveyed media but also directly reduce the pump's volumetric efficiency—under severe leakage conditions, flow rates can drop by 12% to 18%. Moreover, moisture ingress may corrode motor windings, causing short-circuit failures, or even make surfaces wet and slippery, increasing the risk of personnel slipping. Therefore, it is crucial to address any detected leaks promptly and properly. In this article, technical experts from Changsha Zhonglian Pump Industry, a leading manufacturer of centrifugal pumps, share a detailed guide on effective solutions and preventive measures for addressing leakage issues at the joint between the pump cover and pump body in horizontal multistage centrifugal pumps—offering valuable insights for our valued customers to consider.

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    07

    2025-11

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