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 content of the standard text includes structural types and parameters, requirements, inspection, testing and test methods, inspection rules, marking, packaging and storage and transportation requirements.
T/WZBF 008-2022 history
2022T/WZBF 008-2022 Ultra-high temperature and high pressure three-way reversing valve