Technical Differences between Old and New Standard on Test Methods for Submersible Motor-pumps

Revised GB/T 12785—2014‘Submersible motor-pump test method’began to implement in January 1，2015.In order to interpret the revised contents of new standard，technical differences between old and new standard were introduced.Implementation of new standard，on one hand it promoted the further development of test method and test technology of submersible motor-pumps，on the other hand it had important significance to improve technical level and product quality.