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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    Causes of Unstable Rotational Speed in Multistage Centrifugal Pumps and Corresponding Solutions

    Causes of Unstable Rotational Speed in Multistage Centrifugal Pumps and Corresponding Solutions

    Multistage centrifugal pumps serve as core equipment for fluid conveyance in industrial, agricultural, and municipal applications, and their speed stability directly impacts system operational efficiency and product quality. When speed fluctuations occur in such pumps, a systematic diagnosis must be conducted across electrical, mechanical, fluid, control, and environmental factors. In this paper, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, draws on its technical experience to analyze the typical causes of speed instability in multistage centrifugal pumps and to propose corresponding solutions, providing a reference for end-user organizations.

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    2026-03

    Troubleshooting and Solutions for Difficult Startup of High-Efficiency, Energy-Saving Multistage Pumps

    Troubleshooting and Solutions for Difficult Startup of High-Efficiency, Energy-Saving Multistage Pumps

    Multistage centrifugal pumps play a critical role in fluid transportation in industrial production; their starting difficulties typically involve two key technical dimensions: system-level parameter matching and condition monitoring of core components. To address such failures, a systematic troubleshooting procedure must be established, with analysis conducted across three levels: power input, fluid characteristics, and mechanical structure. In this paper, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, explores the diagnosis and solutions for starting difficulties in high-efficiency, energy-saving multistage pumps from five perspectives, and also provides maintenance recommendations for reference by user organizations.

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    26

    2026-03

    High-Performance Corrosion Resistant Chemical Pump for Reliable Industrial Fluid Handling

    High-Performance Corrosion Resistant Chemical Pump for Reliable Industrial Fluid Handling

    China Corrosion resistant chemical pump factory provides durable, efficient pumps for harsh fluids.

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    26

    2026-03

    How to Maintain Your Wholesale Horizontal Multistage Pumps Effectively

    How to Maintain Your Wholesale Horizontal Multistage Pumps Effectively

    How to Maintain Your Wholesale Horizontal Multistage Pumps Effectively Table of Contents 1. Introduction to Horizontal Multistage Pumps 2. Understanding Horizontal Multistage Pumps 3. Importance of Maintenance for Multistage Pumps 4. Regular Inspection Procedures 5. Cleaning and Flushing Techniques 6. Proper Lubrication and Oiling 7. Monitoring Performance and Testing

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    26

    2026-03

    Diagnosis of Negative Pressure Issues and System Solutions for D-Type Horizontal Multistage Centrifugal Pumps

    Diagnosis of Negative Pressure Issues and System Solutions for D-Type Horizontal Multistage Centrifugal Pumps

    During operation, a D-type horizontal multistage centrifugal pump may experience negative pressure at the inlet, typically defined as an inlet pressure lower than the ambient atmospheric pressure. This condition can lead to cavitation, flow fluctuations, and other operational issues. Below, Changsha Zhonglian Pump Industry, a leading manufacturer of centrifugal pumps, provides a technical analysis of the causes of negative-pressure problems in D-type horizontal multistage centrifugal pumps, along with comprehensive system-level solutions for reference by end-user organizations.

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    25

    2026-03

    Understanding OEM Multistage Pumps: Key Features and Applications

    Understanding OEM Multistage Pumps: Key Features and Applications

    Multistage pumps are essential components in various industrial processes, particularly when it comes to transporting fluids at high pressure. An OEM multistage pump is specifically designed for original equipment manufacturers, focusing on customization and performance optimization to meet unique operational needs. One of the primary advantages of multistage pumps is their ability to achieve high

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    24

    2026-03

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