1. The content of this standard consists of two parts: 1. Preface, 2. Standard text 2. The preface mainly includes the drafting basis, cited standards, the unit that proposes and is responsible for the standard, the main drafting unit and main drafter of the standard. 3. The main contents of the standard text include structural types and parameters, requirements, test methods, inspection rules, markings, packaging and storage and transportation requirements.
T/WZBF 006-2022 history
2022T/WZBF 006-2022 Electric flat gate valve (electric isolation door)