| Area |
Relevant
ISO/TC 131 subcommittee or working group and U.S. TAG
subgroup |
| Accumulators |
TC
131/WG 1
U.S. TAG WG 1 |
| Connectors
and conductors |
TC
131/SC 4
U.S. TAG SC 4 |
| Contamination |
TC
131/SC 6/WGs 1 & 3
U.S. TAG SC 6 |
| Cylinders |
TC
131/SC 3
U.S. TAG SC 3 |
| Electronics |
TC
131/SC 5/WG 3
U.S. TAG SC 5/Pneumatic |
| Hydraulic
filters and separators |
TC
131/SC 6/WG 2
U.S. TAG SC 6 |
| Hydraulic
systems |
TC
131/SC 9/WG 1
U.S. TAG SC 9 |
| Hydraulic
valves |
TC
131/SC 5/WG 2
U.S. TAG SC 5/WG 2 |
| Pneumatic
valves and conditioning (including pneumatic systems) |
TC
131/SC 5/WGs 3 & 5
TC 131/SC 9/WG 2
U.S. TAG SC 5/Pneumatic
U.S. TAG SC 9 |
| Ports |
TC
131/SC 4/WG 1
U.S. TAG SC 4 |
| Pressure
rating |
TC
131/SC 8/WG 11
U.S. TAG SC 8 |
| Pressure
switches |
TC
131/SC 5/WG 2 (hydraulic only)
U.S. TAG SC 5/WG 2 (hydraulic only) |
| Pumps
and motors |
TC
131/SC 2
U.S. TAG SC 2 |
| Sealing
devices |
TC
131/SC 7
U.S. TAG SC 7 |
| Testing
(including reliability) |
TC
131/SC 8
U.S. TAG SC 8
U.S. TAG WG 4 (pneumatic only) |
| Terminology
and symbols |
TC
131/SC 1
U.S. TAG SC 1 |