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    High quality, excellent service, and pursuit of development.

    Solution

    Solving user problems and core technological innovation are the key development strategies of the company. Changsha Zoomlian Pump Co., Ltd. has a new product R&D center and a CAD/CAE design system, with independent development, design, and research capabilities for water pumps. For many years, it has maintained a development path that combines traditional and new products, and vigorously promotes the brand strategy.

    Type D Multistage High-Pressure Centrifugal Pump

    The D-type multistage high-pressure centrifugal pump is a horizontal, single-suction, multistage, sectional centrifugal pump that incorporates a hydraulic model recognized by the nation as an efficient and energy-saving product. It boasts advantages such as high efficiency, a wide performance range, safe and smooth operation, low noise levels, and extended service life, along with convenient installation and maintenance. This pump is suitable for conveying clean water free of solid particles (abrasives) and suspended solids, as well as other liquids whose physical and chemical properties closely resemble those of water. Additionally, by modifying the materials of the pump’s flow components, adjusting the sealing configuration, or adding a cooling system, the pump can also handle hot water, oils, corrosive fluids, or media containing abrasive particles.

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    2025-09

    DG-Type Horizontal Multistage High-Pressure Centrifugal Pump

    The DG-type horizontal multistage high-pressure centrifugal pump is designed for use as a high-pressure boiler feedwater pump or in other high-pressure water supply applications. It is also the ideal pump choice for condensate recovery systems, particularly in high-temperature condensate recycling setups. Made from materials that offer exceptional corrosion resistance, high-temperature durability, and excellent anti-cavitation properties, this pump features an additional first-stage impeller, further enhancing its resistance to both corrosion and cavitation. It can withstand extremely high operating temperatures of up to 220°C and handle peak working pressures as high as 30 kg/cm². This versatile pump is well-suited for applications such as high-temperature condensate recovery, boiler feedwater supply, and various capacity units in industries like power generation, steel production, and metallurgy—supporting both unit-based and main-pipeline feedwater systems. Additionally, it can be effectively utilized in industrial, municipal, and mining settings for both supply and drainage purposes.

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    2025-09

    Fluoropolymer-lined centrifugal pump for chemical applications

    A fluoropolymer-lined pump refers to a chemical centrifugal pump designed for industrial applications. Its main flow components—such as the impeller and pump casing—are manufactured using advanced production techniques: the metal shell is tightly lined with steel and then integrally molded at high temperatures using F46 fluoroplastic lining, ensuring exceptional corrosion resistance. This pump boasts outstanding features like superior corrosion and wear resistance, stable operation, an advanced and well-optimized design, high mechanical strength, strong pressure tolerance, excellent resistance to mechanical shock, reliable sealing performance, convenient disassembly for maintenance, and an exceptionally long service life. Additionally, it is equipped with an external-mounted metal bellows mechanical seal, featuring friction pairs such as alumina vs. PTFE, silicon carbide vs. PTFE, or hard alloy vs. hard alloy—allowing users to select the most suitable material combination based on specific operating conditions.

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    2025-09

    GDL Vertical Centrifugal Multistage Pipeline Booster Pump

    The GDL Vertical Centrifugal Multistage Pipeline Booster Pump is a vertical multistage pump developed and manufactured by our company, based on both domestic and international user requirements as well as relevant fire protection standards. Designed according to JB/TQ6435-92, this pump is specifically engineered for pipeline pressurization, effectively addressing the issue of insufficient pipeline pressure that often hinders continuous medium delivery. Compared to currently used horizontal multistage centrifugal pumps, the GDL booster pump offers greater installation convenience, as its inlet and outlet are aligned horizontally with the pipeline system. Equipped with wear-resistant mechanical seals for shaft sealing, the GDL booster pump features a compact design with direct impeller mounting onto the motor shaft, ensuring high efficiency, low energy consumption, a streamlined structure, small footprint, lightweight construction, and easy installation. Additionally, it can be easily connected in series to meet varying head and flow demands. The pump operates within a temperature range of 0–120°C and supports a maximum working pressure of 1.6 MPa (16 kg/cm³). Its flow rate ranges from 5 to 300 m³/h, while the head capacity spans from 5 to 250 meters. The pump’s rotational speed is set at 2,900 rpm.

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    2025-09

    Mining drainage pump

    Mining drainage pumps are primarily used for draining water in central pump rooms of coal mines, emergency rescue operations following water inundation disasters in coal mines, or post-recovery drainage to restore mining operations. Among these, multistage centrifugal pumps are commonly employed. The MD series of mining drainage pumps is an upgraded and newly developed product from our factory, offering not only high efficiency and excellent cavitation performance but also smooth, reliable operation. Additionally, this series widely adopts alloy wear-resistant cast iron materials, making it ideal for transporting neutral mine water—up to 80°C—in coal mines, as well as other similar wastewater applications. These pumps are particularly suited for handling coal mine wastewater and are also applicable to tunnels and urban sewage systems. Notably, this series of mining drainage pumps has successfully passed the national Coal Safety and Mine Safety certifications, proudly bearing the exclusive "MA" and "KA" marks reserved for mining use.

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    2025-09

    Wear-resistant mining multistage centrifugal pump

    The MD-type wear-resistant mining multistage pump is a horizontal, single-suction, multistage centrifugal pump that utilizes a hydraulic model recognized by the nation as an efficient and energy-saving product, placing it at the forefront of technology within the industry. It boasts advantages such as high efficiency, a wide performance range, safe and stable operation, low noise levels, and extended service life, along with convenient installation and maintenance. The MD-type wear-resistant mining multistage pump is available in two models: the standard MD type and the MDP self-balancing type.

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    2025-09

    High-pressure multistage pump

    A high-pressure multistage pump, officially known as a high-pressure multistage centrifugal pump, is a type of centrifugal pump capable of delivering water to exceptionally high head ranges. The key distinction between this pump and a single-stage centrifugal pump lies in the number of impellers—precisely, the number of impellers determines the pump's pressure and head capacity. Additionally, structurally, high-pressure multistage centrifugal pumps are more complex than their single-stage counterparts, demanding higher standards in design and manufacturing processes. As a result, producing high-quality multistage pumps sets a significant technical benchmark for manufacturers. Hunan Province, renowned for its well-developed pump industry chain, boasts numerous pump manufacturers. Each manufacturer typically focuses on specific types of pumps based on their expertise and market positioning. Among them, Changsha Zoomlion Pump Industry Co., Ltd. stands out as a specialist dedicated to the research, development, production, and sales of high-pressure multistage pumps. With 13 independently owned intellectual property rights under its belt, the company has established itself as a leading high-pressure multistage pump manufacturer in Central China.

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    2025-09

    Integrated Smart Pump Station

    With the continuous advancement of modern technology and the rapid development of 5G and network technologies, traditional pump stations are on the verge of being replaced by cutting-edge smart pump stations. These state-of-the-art systems integrate emerging technologies such as cloud computing, Beidou satellite navigation, IoT, and mobile internet, delivering an all-in-one smart pump station that combines multiple functions—including pressurization, water quality monitoring, security alerts, UV disinfection, and remote surveillance—into a single, highly efficient solution. Changsha Zhonglian Pump Industry Co., Ltd. has boldly taken the lead in this evolving era. As early as 2018, the company began pioneering research into this new type of intelligent pump room, perfectly aligned with current market trends. Today, the technology has reached full maturity and is already successfully deployed in the market, earning strong support from our loyal customers and delivering outstanding performance. Now, let’s dive deeper and explore the innovative smart pump room developed by our team at Changsha Zhonglian Pump Industry!

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    2025-09

    Industrial High-Flow Centrifugal Pump

    The water pump is one of the essential mechanical devices in both daily life and industrial manufacturing. It is used across most industries, including power generation, coal mining, chemical processing, wastewater treatment, construction, and more. Unlike the commonly used water treatment pumps in everyday life, industrial applications typically rely on high-flow pump models. Among these, centrifugal pumps stand out for their wide range of head and flow capabilities, making them the most widely adopted choice. Next, let’s introduce several high-flow centrifugal pumps manufactured by our company—models that have proven their versatility and reliability across various industries. If you’re considering purchasing an industrial-grade, high-flow centrifugal pump, be sure to take a closer look at these models—they’re bound to deliver impressive results!

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    2025-09

    Coal Safety Certified Multi-stage Centrifugal Pump for Mining

    In 2007, the State Economic and Trade Commission and the Coal Mine Safety Supervision Administration jointly issued documents such as the "Provisional Measures for the Safety Marking of Coal Mine Products" and the "Catalogue of Coal Mine Products Subject to Safety Mark Management," which introduced a safety certification system for equipment, instruments, and meters used in underground coal mines—commonly known as the Coal Mine Safety Certification. These documents further clarified the management authority responsible for safety markings, defined the scope of product oversight, and detailed specific guidelines for safety mark administration. The introduction of this certification system has effectively prevented substandard and counterfeit products from entering underground mining operations. Overall, the safety certification system has proven to be a highly effective approach to ensuring workplace safety in the coal industry.

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    2025-09

    Common types of water pumps used in steel plants

    In the metallurgical industry, numerous types of pumps are commonly used. Since the entire smelting system involves a variety of liquids, it requires the application of several different pump models. Here, Zhonglian Pump Industry, a professional pump manufacturer, takes steel plants as an example to introduce the types of pumps frequently employed in such facilities.

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    2025-09

    Seawater pump

    A seawater pump is a mechanical device capable of extracting and transporting water from oceans or saline sources. Since seawater pumps operate in marine environments, numerous factors must be carefully considered during their selection and design—such as particulate matter and salinity levels in the water, as well as operational conditions and environmental requirements. This article will briefly introduce common types of seawater pumps and provide guidance on how to choose the right one, aiming to offer readers some valuable insights and references.

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    2025-09

    Circulating water pump

    Changsha Zoomlion Pump Industry Co., Ltd., as a professional pump manufacturer, produces and sells various types of pumps, including circulating pumps. As a commonly used industrial pump, the circulating pump finds extensive applications across numerous industries. Below, let us provide you with a detailed introduction to circulating pumps.

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    2025-09

    Mining high-pressure pump

    The mining high-pressure pump is a flagship pump model specifically designed for mine drainage, tunnel construction, and urban flood control applications—fields where efficient and reliable industrial equipment is essential. Often tasked with handling complex water-inrush conditions as well as meeting demanding requirements for high head and large flow rates, mining high-pressure pumps typically feature a multi-stage design. Key features of the mining high-pressure pump include high pressure combined with large flow rates, along with exceptional efficiency, reliability, safety, and cost-effectiveness. This type of pump primarily consists of a motor, pump body, control cabinet, and an advanced remote intelligent control system, enabling it to swiftly lift deep underground water or other liquids to the surface. Additionally, these pumps boast outstanding durability, wear resistance, corrosion protection, and longevity, making them well-suited to meet the diverse drainage needs of various environments.

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    2025-09

    Industrial cooling water pump

    The centrifugal industrial cooling water pump, also known as a cooling water circulation pump, is arguably one of the most widely used and critically important types of pumping equipment in the industrial sector. It primarily relies on centrifugal force to push and displace the medium outward, boasting features such as large flow rate, high head, high efficiency, low noise, and long service life. With the advancement of industrial modernization and growing environmental awareness, centrifugal industrial cooling water pumps have been extensively applied across various fields—including construction, chemical engineering, petroleum, metallurgy, power generation, light industry, food processing, pharmaceuticals, and environmental protection.

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    2025-09

    Saltwater pump (brine pump)

    A brine pump is a specialized type of pump designed specifically for handling brine—typically water containing high concentrations of salts, minerals, and other chemical substances. It can also refer to seawater or saline water. In the salt-production industry, it’s often called a "brine pump" or "concentrated brine pump." Brine pumps generally cannot be made from materials typically used in standard清水泵s, as the corrosive and contaminating elements present in brine can damage pipes, equipment, and even the final product, leading to both degradation and contamination. When selecting a brine pump for brine-handling applications, it’s crucial to choose materials that are highly resistant to corrosion, along with employing specialized manufacturing processes to ensure the pump remains free from both corrosion and contamination. To help you gain a deeper understanding of brine pumps—including key aspects like model selection, common models, daily maintenance practices, and recommended materials—let’s dive into these essential topics together. By the end of this article, we’re confident you’ll have a comprehensive grasp of brine pumps!

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    2025-09

    Brine Transfer Pump

    A brine pump is a specialized type of pump designed to handle corrosive liquids containing halogen compounds such as sodium chloride. It is widely used in industries like chemical manufacturing, coal chemical processing, and water treatment. Commonly referred to as mother liquor pumps, brine pumps, or saltwater pumps, among other names, Changsha Zhonglian Pump Industry is a professional manufacturer of brine pumps. This article introduces you to the selection guidelines for brine pumps as well as some commonly used models, providing valuable reference for your decision-making process.

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    2025-09

    Cooling Water Pump

    What is a desuperheating water pump? How do you choose a desuperheating water pump? In response to these two questions about desuperheating water pumps, the editor from Changsha Zhonglian Pump Industry, a leading pump manufacturer, has compiled the following information, hoping it will help you find answers to your queries.

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    2025-09

    Lean Amine Liquid Pump

    In the chemical industry, particularly in the coal chemical sector, lean amine liquid pumps are frequently used. Some customers also refer to them as lean liquid pumps, amine water pumps, amine liquid pumps, MDEA pumps, decarbonization pumps, and more. When purchasing this type of pump, customers often find themselves unsure about which model to choose. In this article, Changsha Zhonglian Pump Industry will leverage its extensive engineering experience to provide you with valuable insights into selecting the right lean liquid pump for your needs.

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    2025-09

    Trade in for a new one

    Changsha Zoomlion Pump Industry Co., Ltd. actively responds to the call from the State Council and fully implements the "1+N" policy framework, specifically the "Action Plan for Promoting Large-Scale Equipment Upgrades and Consumer Product Trade-In Programs," aligning with the equipment upgrade and trade-in initiative. We are committed to driving industrial transformation and achieving sustainable, green development. We firmly believe that this policy not only opens up new growth opportunities for our company but also represents a clear commitment—to saying "no" to high-energy-consuming equipment and "yes" to energy-efficient, eco-friendly products.

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    2025-09

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