GB/T 37222-2018 in English

This standard specifies a method for determining the persistence of combustion of non-flammable hydraulic fluids through the use of an empty cone jet nozzle. It outlines the necessary equipment, test conditions, and procedures to evaluate the combustion characteristics of hydraulic fluids under controlled environments. The method involves the application of the fluid to a specific type of nozzle, which is then subjected to a flame source. The duration and intensity of the combustion are recorded and analyzed to assess the performance of the hydraulic fluid. The standard provides detailed instructions for sample preparation, calibration of testing apparatus, and data interpretation. It is applicable to a range of non-flammable hydraulic fluids used in various industrial applications. The procedures described are designed to ensure consistency and repeatability in testing, allowing for accurate comparisons between different fluid formulations.