This standard specifies the type, size, technical requirements and markings of threaded pipe joints and joint bodies. This standard is applicable to steel threaded pipe joints on rolling stock with a temperature range of -40°C to 200°C and a nominal pressure less than or equal to 4.0MPa.
TB/T 333-2005 history
1970TB/T 333-2005 Threaded pipe fittings for locomotive and rolling stock