This standard applies to the installation surface of the five-port directional control valve with electrical connectors, the maximum working pressure is 1.6MPa. This standard stipulates: The external dimensions and tolerances of the valve installation surface (and its specification coding code); The identification code of the air port; The identification code of the control port and its control results. Specifications for dimensions and tolerances of electrical connectors of corresponding specifications. This standard does not apply to the functional characteristics of the mounting surface.
GB/T 7940.2-2001 history
2008GB/T 7940.2-2008 Pneumatic fluid power.Five-port directional control valves.Part2:Mounting interface surfaces with optional electrical connector
2001GB/T 7940.2-2001 Pneumatic fluid power--Five-port directional control valves--Part 2: Mounting interface surfaces with optional elettrical connector