This standard specifies the technical requirements, test methods and inspection rules for reversing valves used in pneumatic transmission and control systems. This standard applies to general industrial pneumatic, electronic, human and mechanical control directional valves that use compressed air as the working medium. Pneumatic directional valves with special requirements are not covered by this standard.
JB/T 6378-1992 history
2008JB/T 6378-2008 Rules relating of pneumatic fluid power directional control valve