Jiangsu Haifa Machinery Manufacturing Co., Ltd.

Title: R&D Features of Haifa Machinery in CQC Design for Pump First-Level Energy Efficiency

Recently, we received feedback from a client at a chemical enterprise in Jieyang, southern China. He is responsible for the plant's circulating water system, and over the past three years, pump unit energy consumption accounted for over % of the plant's total electricity costs. They tried replacing motors and adjusting pipelines, but the results were never satisfactory. It wasn't until they introduced Haifa Machinery's first-level energy efficiency CQC-certified pump units that, within six months, electricity costs dropped directly by over 20%. During acceptance, this client remarked, "I used to think energy saving was just a slogan, but now I realize the real skill lies in design details." If you're also troubled by pump unit energy consumption, consider these core features of Haifa Machinery's CQC design for first-level energy efficiency. These features aren't just theoretical; they've been honed through real projects. They are designed and developed based on "GB 19762-2025 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Centrifugal Pumps" and "GB32284-2015 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Petrochemical Centrifugal Pumps."

✅ Optimized Hydraulic Model for Visible Efficiency Gains  
We use CFD (Computational Fluid Dynamics) simulation technology to iteratively refine the flow channels of the impeller and volute. For example, in a client case, we adjusted the impeller outlet width from the standard 12mm to 10.5mm, combined with an asymmetric volute design, achieving a hydraulic efficiency of over 82% at the pump's rated operating point. In CQC certification tests, this pump's actual energy efficiency exceeded the national first-level energy efficiency standard by 3 percentage points.

✅ Synergistic Upgrade of Materials and Manufacturing Processes  
First-level energy efficiency pumps must address efficiency degradation over long-term operation. We use duplex stainless steel cast impellers with surface roughness controlled to within Ra0.8 to reduce fluid friction. Additionally, we employ CNC machining centers for precision manufacturing of bearing housings, ensuring rotor coaxiality within 0.02mm. Client feedback shows that after 4,000 hours of operation, the pump's efficiency drops by less than 1.5%, far below the industry's typical 5% degradation rate.

✅ Intelligent Monitoring System for Quantifiable Energy Savings  
Every CQC-certified pump comes standard with an online efficiency monitoring module. It collects real-time data on flow rate, head, and power, automatically calculating instantaneous efficiency. Clients can see a "current efficiency meets standard" prompt directly in the control room. If efficiency is abnormal, the system suggests checking seals or adjusting speed. This client used this feature to extend the pump's maintenance cycle from 3 months to 6 months, saving labor costs.

✅ Rigorous CQC Certification Process as a Quality Guarantee  
Before submission for testing, Haifa Machinery's pumps undergo a 72-hour full-load endurance test to ensure all components operate stably under rated conditions. The CQC certification itself includes a triple review of design documents, material certificates, and actual energy efficiency measurements. Every pump you receive comes with an independent energy efficiency test report, with traceable data. If you're planning a new project or upgrading an old system, we recommend directly consulting Haifa Machinery's technical team. They can provide customized hydraulic design and energy efficiency assessments based on your specific operating conditions. Remember, first-level energy efficiency isn't the endpoint—it's the starting point for reducing operating costs.

Editor's Note: This article is based on client cases from the chemical industry served by Haifa Machinery and is suitable for decision-makers in equipment selection and energy-saving retrofitting in fields such as industrial circulating water, water supply and drainage, and HVAC systems.

Jiangsu Haifa Machinery Manufacturing Co., Ltd. was restructured from the former Jiangsu Ligong Group Co., Ltd., Metallurgical Industry Ministry Steel Research Institute Jingjiang Stainless Steel Pump Valve Factory. It primarily produces API610 chemical process pumps—OH1, OH2, OH3, OH4 pumps; BB1~BB5 multistage pumps; VS1~VS6 barrel pumps; HES chemical process pumps; sixth-generation ultra-low carbon stainless steel high-quality molten urea pumps; urea hydrolyzer feed pumps; pitot tube pumps; rotary jet pumps; molten salt pumps; vertical submerged pumps; high-temperature magnetic drive pumps; canned motor pumps; slurry pumps; titanium tetrachloride pumps; self-priming pumps; PTFE-lined pumps; leak-proof pumps; alkali pumps; axial flow pumps; forced circulation pumps; long-shaft vertical submerged pumps; and CQC first-level energy efficiency pumps. www.jslgpump.com Contact: 13905263417 E-mail: jslgpump@gmail.com E-mail: jsareva@163.com