This standard specifies the technical requirements, test methods, inspection rules, packaging and transportation of emergency brake valves for locomotives and rolling stocks (hereinafter referred to as emergency brake valves).
It is applicable to new emergency brake valves.
2 Normative References
GB 1184 Geometrical Tolerancing - Geometrical Tolerance for Features without Individual Tolerance Indications
GB/T 1804 General Tolerances - Tolerances for Linear Dimensions without Individual Tolerance Indications
GB 6414 Dimensional Tolerances for Castings
GB 7306 Pipe Threads Where Pressure-tight Joints are Made on the Threads
TB 119 Emergency Brake Valve Type and Dimension
TB 1903 General Technical Specification of Iron Castings for Railway Locomotive Brake Equipment