TB/T 2026-2004
HF-25 series protection boxes (English Version)
- Standard No.
- TB/T 2026-2004
- Language
- Chinese, Available in English version
- Release Date
- 2004
- Published By
- Professional Standard - Railway
- Status
- 2019-01
- Replace By
- TB/T 2026-2018
- Latest
- TB/T 2026-2018
- Replace
- TB/T 2026-1988
- Scope
- This standard specifies the product model, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of HF-25 series protective boxes. This standard applies to the production, manufacturing and product inspection of HF-25 series protective boxes (hereinafter referred to as protective boxes) for railway 25Hz phase-sensitive track circuits.
TB/T 2026-2004 history
- 2018 TB/T 2026-2018 HF-25 series protection boxes
- 2004 TB/T 2026-2004 HF-25 series protection boxes
- 0000 TB/T 2026-1988
