T/ZZB 1988-2020
Metro turnout (English Version)
- Standard No.
- T/ZZB 1988-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1988-2020
- Scope
- This document stipulates the terms and definitions, basic requirements, technical requirements, inspection methods, inspection rules and signs, packaging, transportation, storage and quality commitments of subway switches. This document is applicable to all types of subway single-turn switches and cross-over lines (hereinafter referred to as subway switches) that use alloy steel composite frogs and the allowable straight train passing speed is not greater than 160km/h.
T/ZZB 1988-2020 history
- 2020 T/ZZB 1988-2020 Metro turnout
