Technical Differences between New Standard and Old Standard for Hydraulic Performance Acceptance Tests of Rotodynamic Pumps

Revised‘Rotodynamic Pumps-Hydraulic Performance Acceptance Tests-Grades 1，2 and 3’（GB/T 3216—2016）was implemented in March 1，2017.Implementation of new standard，further development of test method and test technology of rotodynamic pumps were promoted on one hand，and on the other hand，it had great significance to improve technical level and quality of product.In order to better interpret revised contents of new standard，technical differences between new standard and old standard were analyzed.