This part of TB/T 3102 specifies the structural form, specifications, technical requirements and markings of the threaded straight-through pipe joints with specifications G 1/4B × 10 ~ G 1 1/4B × 42 curved surface ferrule type pipe joints. This section applies to electric locomotives, diesel locomotives and vehicle air piping systems.
TB/T 3102.24-2005 history
2005TB/T 3102.24-2005 Curved-face bayonet ring couplings for rolling stock Part 24: Insert external columned thread straight couplings