The **standard** on \"Energy Efficiency Limits and Energy Efficiency Grades for Petrochemical Centrifugal Pumps\" has been released

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Recently, GB 32284-2015 \"Energy Efficiency Limits and Energy Efficiency Grades for Petrochemical Centrifugal Pumps\", which was approved by the **General Administration of Quality Supervision, Inspection and Quarantine** and the **Standardization Management Committee**, was officially issued. This standard will come into effect on January 1, 2017. The formulation of the standard \"Energy Efficiency Limits and Energy Efficiency Grades for Petrochemical Centrifugal Pumps\" was proposed at the 2014 meeting of the National Pump Standardization Technical Committee. The meeting concluded that the draft standard for \"Energy Efficiency Limits and Grades for Petrochemical Centrifugal Pumps\" complies with the requirements of GB/T 1.1-2009. The technical provisions of the standard are clearly expressed, and the content of the standard preparation notes as well as the results of the compilation of feedback received meet the relevant regulations set out in the \"Detailed Rules for the Formulation of Mechanical Industry Standards\". There were no significant dissenting opinions; therefore, the review was approved. Work on preparing the final version of the standard can now proceed, with the electronic version of the standard documents to be submitted to the secretariat by March 10, 2015. After 9 months of review and approval processes, the **Standardization Management Committee officially approved it on December 10, 2015. It is understood that with the implementation of the new standard on \"Energy Efficiency Limits and Grades for Petrochemical Centrifugal Pumps,\" the industry related to such pumps will become more regulated, and those enterprises with no licenses or certifications and low energy efficiency will suffer severe consequences. The implementation of the new national standards means that if these companies are unable to improve their performance, they will have to close down or transform themselves. This represents a significant reshuffle for our petrochemical centrifugal pump industry; it will cause some turmoil in the market, but it also presents an opportunity for development for the entire industry. Centrifugal pumps have advantages such as a wide range of performance, uniform flow rate, simple structure, reliable operation, and easy maintenance, which is why they are most widely used in industrial production. Except that reciprocating pumps are used for high pressure and low flow rates, metering pumps are used for metering purposes, vortex pumps or positive displacement pumps are used when the medium contains gas, and rotor pumps are used for viscous media, centrifugal pumps are generally chosen for all other applications. According to statistics from China Pump and Valve Trade Network, in petroleum and chemical plants, centrifugal pumps account for 70% to 80% of the total number of pumps in use. (Written by Zhang Yi)