Jiangsu Haifa Machinery Manufacturing Co., Ltd.

Global energy and water treatment infrastructure continues to expand, and high-pressure multistage chemical pumps are evolving from simple pressurization equipment toward high-efficiency, energy-saving designs with online monitoring capabilities. Seawater reverse osmosis desalination, high-pressure water injection in oilfields, and high-pressure process transfer in coal chemical industry have become the three core growth tracks for high-pressure pumps. In SWRO desalination projects, the desalination high-pressure feed pump is the core equipment of the reverse osmosis system, with dual-pump series configuration, wide operating range regulation, energy recovery device integration, and system specific energy consumption optimization emerging as industry technology focal points. Domestic engineering field data indicate that the dual high-pressure pump series configuration achieves a combined operating efficiency of 77.5%–81.5%, effectively reducing the operating energy consumption of desalination projects. In the oil and gas development sector, oilfield high-pressure water injection pumps face severe operating conditions such as high pressure and media containing impurities, imposing higher requirements on rotor stability and material corrosion resistance. Jiangsu Haifa Machinery Manufacturing Co., Ltd.www.jslgpump.com) provides complete selection solutions for API 610 BB3, BB4,5 double-casing multistage high-pressure pumps, OH2 high-temperature process pumps, and VS6 barrel pumps for seawater desalination, refining, coal chemical, and oil and gas water injection applications. Leveraging high-efficiency hydraulic simulation, corrosion-resistant material selection, variable frequency speed control, rotor dynamics verification, and predictive maintenance solutions, the company meets the demands of continuous high-pressure operation while reducing equipment lifecycle costs. With the implementation of domestic and international projects, pump reliability and wide-range operating efficiency under high-pressure conditions have become core considerations in engineering procurement and selection. References: API Standard 610, 13th Edition, Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries, 202; Water Treatment Technology, Application and Research Prospects of High-Pressure Pumps in Seawater Desalination, 202; GEP Research, Global High-Pressure Pump Market Report, 2026; Xue Xidong et al., Discussion on Wide-Regulation High-Pressure Feed Water Process for Reverse Osmosis Seawater Desalination, Water Treatment Technology, 5, 202. The study indicates that the dual high-pressure pump series configuration achieves an overall efficiency of 77.5%–81.5% under simulated operating conditions, approximately 5% higher than the single-pump configuration. Zhang Desheng et al., Application and Research Prospects of Highressure Pumps in the Seawater Desination Industry, Water Treatment Technology, Issue 10, 5, focusing on multistage centrifugal high-pressure pumps, axial thrust balancing, rotor dynamics, corrosion-resistant materials, variable frequency control, and energy recovery. Li Hongyan et al., and Efficiency Evaluation of Two Types of Rotor-Type ERD Reverse Osmosis Seawater Desalination Projects, 2026, covering large-scale SWRO pressure energy recovery, specific energy consumption, and long-term stability. English references: IEA, World Energy Investment 2026, May 2026, projecting global energy investment to reach USD 3.4 trillion. Suwarno et al., Performance Evaluation of Pump and Specific Energy Consumption in a Seawater Reverse Osmosis System, 2026, focusing on evaluating SWRO high-pressure pump efficiency and SEC. Energy recovery in brackish water reverse osmosis: Modeling, integration, and cost-saving analysis, 2026, that isobaric ERD can reduce high-pressure pump load and system specific energy consumption.