Accessen Co-Drafts China’s National Standard GB/T 47007-2026 on Energy Efficiency Testing and Evaluation of Plate Heat Exchangers
GB/T 47007-2026, Rules for Energy Efficiency Testing and Evaluation of Plate Heat Exchangers, a national standard co-drafted by Shanghai Accessen, was published and took effect in 2026. Jointly issued by the State Administration for Market Regulation and the Standardization Administration of China, and administered by the National Technical Committee on Energy Fundamentals and Management of Standardization Administration of China, it is the country's first national standard dedicated specifically to energy efficiency testing and evaluation of plate heat exchangers. It fills a long-standing gap in the industry, which had no unified system for evaluating energy efficiency, and makes the energy-saving advantages of plate heat exchangers easier to demonstrate. The standard is a milestone for standardizing product testing, defining energy efficiency grades, guiding industrial upgrading and supporting China's carbon peaking and carbon neutrality goals.
For liquid-to-liquid duties, the standard sets out the full set of requirements for gasketed (removable) and brazed plate heat exchangers, covering the test rig, measured parameters, data processing, energy efficiency calculation and test reporting. It introduces an energy efficiency index (EEI) as the core evaluation criterion and divides products into three energy efficiency grades: Grade 1 (the highest), Grade 2 and Grade 3. Efficiency is assessed on two dimensions, heat transfer performance and flow resistance, pushing the industry toward high efficiency and energy saving, phasing out outdated capacity and fostering new, higher-quality productive forces.
Technology and standards share the same roots, and energy efficiency goes hand in hand with quality. As an industry leader with more than 20 years in heat exchange, Shanghai Accessen was invited to help draft the standard and is one of its core drafting organizations, taking part in the entire drafting process. Drawing on solid technical expertise, a rigorous quality control system and leading energy efficiency performance, the company contributed practical recommendations based on its R&D, production and testing experience on key topics such as plate parameter measurement, performance testing under multiple operating conditions, energy efficiency curve fitting and uncertainty control, helping make the standard scientific, rigorous and practical.
As early as 2019, Shanghai Accessen was among the first eight companies in China to receive the Plate Heat Exchanger Energy Saving Registration Certificate issued by the China Association for the Promotion of Special Equipment Safety and Energy Conservation. In February 2025, the company passed another rigorous review by the Machinery Industry Heat Transfer and Energy Saving Engineering Technology Research Center and renewed the energy-saving registration for its plate heat exchanger products. The certification is carried out under the Administrative Measures for Energy Saving Registration of Plate Heat Exchanger Products and is an authoritative recognition of a manufacturer's energy-saving performance, production capacity and quality control; certified companies' products lead the industry in energy efficiency and overall performance.
In September 2024, after on-site inspection and a review of its quality systems, Shanghai Accessen passed the audit required by the Administrative Measures for Safety Registration of Plate Heat Exchanger Products. It was granted Grade A6 Product Safety Registration for plate heat exchangers, jointly awarded by the Heat Exchanger Safety and Energy Efficiency Committee of the China Technical Supervision Information Association and the Machinery Industry Heat Transfer and Energy Saving Engineering Technology Research Center. This is currently the highest level of product safety certification in the industry.
Since its founding, Shanghai Accessen has made high efficiency and energy saving the core focus of its product development, guided by the principle of "quality first, technological innovation". The company has built a comprehensive product testing system, and its R&D and production strictly follow the relevant national standards. Its products use advanced structural design and heat transfer technology; by optimizing plate corrugation patterns and making materials lighter, the company has significantly improved heat transfer efficiency and reduced energy losses. As product performance has been continuously improved, Accessen products have expanded from traditional heating and cooling into power generation, metallurgy, electronics and semiconductors, data centers, petrochemicals and many other fields, meeting each industry's need to save energy and cut carbon, and providing more product certifications and support for companies' decarbonization.
As indispensable core process equipment in the process industries, plate heat exchangers are key to the safe, reliable and efficient operation of industrial plants. They are also essential for cascade energy use and higher energy efficiency, and play an important role in meeting China's carbon peaking and carbon neutrality goals. If an Accessen plate heat exchanger purchased by a customer falls within a category covered by the Plate Heat Exchanger Energy Saving Registration Certificate, the customer not only saves a large amount of energy in operation, lowers operating energy consumption and gains a better return on investment, but can also benefit from the income tax credit policy for energy-saving products in China, reducing both purchase and operating costs and creating a win-win outcome for society and the industrial chain.