T/ZZB 3341-2023 Active
T/ZZB 3341-2023 Power plant high-temperature and high-pressure stop valve
Abstract
Main technical content: This document specifies the models, structural forms, and basic parameters of high-temperature and high-pressure shut-off valves (hereinafter referred to as shut-off valves) used in thermal power plants, as well as the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage, and quality commitments. This document applies to welded shut-off valves used in the steam and water systems of thermal power plants with a pressure rating greater than PN100 (Class 600) and less than or equal to PN760 (Class 4500), or with an operating temperature greater than 425 ℃ and less than or equal to 630 ℃.
General Product Information
| Document Type | Group standards |
|---|---|
| Standard Status | Active |
| Standard Code | T/ZZB 3341-2023 |
| CCS | Steam turbines and their auxiliary equipment |
| ICS | Gas turbines, steam turbines, and steam engines |
| Implement Date | 2023-11-20 |