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Sea Water Desalination High Pressure Pump System

Case Background： A coastal municipality’s reverse osmosis (RO) desalination plant required a core high-pressure pump system that could withstand the constant, punishing effects of seawater. The existing pumps suffered from rapid corrosion, scaling, and frequent failures under pressures exceeding 800 psi. This led to high maintenance costs, unpredictable plant downtime, and jeopardized the reliable supply of fresh water to the community. Solution： Arkstar engineered and supplied a dedicated ARKSTAR Series High-Pressure RO Pump system. The pumps were constructed with super duplex stainless

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December 9, 2025

Precision Chemical Dosing for Municipal Water Safety

Case Background： A major municipal water treatment plant faced reliability issues with its existing chemical dosing pumps for sodium hypochlorite (bleach) disinfection. Frequent maintenance, metering inaccuracies, and leakage risks compromised both operator safety and consistent water quality. Solution： Arkstar recommended and supplied ARKFLO Series diaphragm pumps. Their leak-proof design eliminated chemical exposure, while precise stroke adjustment ensured accurate, consistent dosing. Pump head materials were specifically selected for compatibility with sodium hypochlorite. Value achieved： Achieved a safe, zero-leak operation environment. Improved dosing accuracy to

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December 9, 2025

Multistage Centrifugal Pumps: Design Principles and High-Pressure Applications

1. Fundamental Design Principles of Multistage Centrifugal Pumps Multistage centrifugal pumps are designed to generate high pressures by arranging multiple impellers in series within a single pump casing. Each impeller stage increases the fluid pressure incrementally, allowing the pump to achieve significantly higher total head compared to single-stage pumps. 1.1 Working Principle Sequential Pressure Boosting: Fluid enters the first impeller, where centrifugal force imparts kinetic energy. As the fluid passes through each subsequent stage, its pressure increases cumulatively. Energy Conversion:

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December 8, 2025

Working Principle of Centrifugal Pumps: A Comprehensive Technical Analysis

1. Fundamental Operating Principle Centrifugal pumps operate on the principle of centrifugal force​ to transport fluids through mechanical means. The core mechanism involves a rotating impeller that imparts kinetic energy to the fluid, which is subsequently converted to pressure energy. When the pump is activated, the motor drives the pump shaft​ and attached impeller at high rotational speeds. Fluid enters the pump through the suction inlet​ (also called the “eye” of the impeller) and is accelerated radially outward along the

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December 8, 2025

Advanced Water Pump Technologies: A Comprehensive Guide for Industrial Applications

Introduction Water pumps represent a critical component in numerous industrial processes, from manufacturing and energy production to building management systems. As industries worldwide face increasing pressure to enhance efficiency and reduce environmental impact, pump technology has evolved significantly. Modern pumping systems now incorporate advanced materials, smart controls, and optimized hydraulic designs that dramatically improve performance while reducing energy consumption. The global push toward sustainability has made pump selection and operation more crucial than ever. With pumps accounting for approximately 20%

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December 8, 2025

Centrifugal Pumps in the Chemical Industry

Centrifugal Pumps: The Heart of Efficient and Sustainable Chemical Processing​ In the chemical industry, centrifugal pumps are indispensable for enabling safe, efficient, and sustainable operations. These pumps leverage rotational energy to move fluids, making them ideal for handling everything from corrosive acids to high-purity solvents. Their versatility and reliability have cemented their role as the backbone of fluid transfer in chemical plants worldwide. 1. How Centrifugal Pumps Work​ Centrifugal pumps operate on a simple principle: an impeller rotates within a

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December 8, 2025
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