TB/T 317-1993
Dg20 globe valve (English Version)
- Standard No.
- TB/T 317-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Railway
- Status
- Replace By
- TB/T 315-2005
- Latest
- TB/T 315-2005
- Scope
- This standard specifies the type, size, technical requirements and markings of Dg20 stop valves. This standard is applicable to steam, air, water and oil piping systems with nominal pressure less than or equal to 1.5MPa and temperature less than or equal to 200°C on locomotives using Dg20 cut-off valves. valve.
TB/T 317-1993 history
- 1970 TB/T 315-2005 Ball valves for rolling stock
- 1993 TB/T 317-1993 Dg20 globe valve
TB/T 317-1993 Dg20 globe valve was changed to TB/T 315-2005 Ball valves for rolling stock.
