JB/T 4058-2017 in English

This standard outlines the requirements for the cleanliness of steam turbines, focusing on the specifications and testing methods to ensure the quality and performance of these machines. It provides detailed guidelines on the acceptable levels of contaminants and the procedures for assessing the cleanliness of turbine components. The standard also includes information on the preparation of samples and the evaluation criteria for different types of turbines. It is designed to support manufacturers and users in maintaining high standards of product reliability and operational efficiency. The document contains definitions, technical specifications, and testing protocols to ensure consistency and accuracy in the measurement of turbine cleanliness. It serves as a reference for industry professionals involved in the design, production, and maintenance of steam turbines.