DL/T 1838-2018 in English

This standard specifies the technical requirements, test methods, and quality inspection rules for circular and irregular shaped insulating tubes used in electric power applications. It covers aspects such as material composition, dimensions, electrical performance, mechanical properties, and environmental resistance. The standard is applicable to the production, inspection, and acceptance of insulating tubes used in power systems, including but not limited to insulation supports, bushings, and other insulating components. It provides guidelines for ensuring the reliability, safety, and performance of these products under various operating conditions. The standard also outlines the procedures for sampling, testing, and marking of the products to facilitate quality control and consistency in manufacturing. This document serves as a reference for manufacturers, users, and regulatory bodies involved in the power industry.