This document specifies the durability test and evaluation of rubber sealing rings used in equipment using insulating liquids such as transformer oil (hereinafter referred to as "oil-immersed equipment") under hot and humid environmental conditions. The content includes terms and definitions, hot and humid environmental conditions , basic provisions, test methods, test rules and evaluation. If there are no provisions or explanations in this document, the relevant standards and specifications of the product shall apply. This document applies to the design, manufacturing, quality acceptance and other processes of rubber sealing rings for oil-immersed equipment in the "humid heat" and "sub-humid heat" climate type areas specified in GB/T4797.1.
T/CEEIA 712-2023 history
2023T/CEEIA 712-2023 Durability evaluation of sealing apron for oil-immersed equipment in humid and hot environment