BS ISO 20401:2017 Pneumatic fluid power systems. Directional control valves. Specification of pin assignment for 8 mm and 12 mm diameter electrical round connectors
ISO 11727:1999 Pneumatic fluid power - Identification of ports and control mechanisms of control valves and other components
ISO 1219-1:2012 Fluid power systems and components - Graphical symbols and circuit diagrams - Part 1: Graphical symbols for conventional use and data-processing applications
ISO 15407-1:2000 Pneumatic fluid power - Five-port directional control valves, sizes 18 mm and 26 mm - Part 1: Mounting interface surfaces without electrical connector
ISO 5598:2008 Fluid power systems and components - Vocabulary
ISO 5599-1:2001 Pneumatic fluid power - Five-port directional control valves - Part 1: Mounting interface surfaces without electrical connector
BS ISO 20401:2017 history
2017BS ISO 20401:2017 Pneumatic fluid power systems. Directional control valves. Specification of pin assignment for 8 mm and 12 mm diameter electrical round connectors
2005BS ISO 20401:2005 Pneumatic fluid power systems - Directional control valves - Specification of pin assignment for electrical round connectors of diameters 8 mm and 12 mm