About
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Secretariat: ANSI (United States)
Committee Manager: -
Chairperson (until end 2026):Mr Ivan Sheffield
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ISO Technical Programme Manager [TPM]:ISO Editorial Manager [EM]:
- Creation date: 1969
Scope
Standardization in the field of fluid power systems and components, comprising terminology, construction, principal dimensions, safety requirements and testing and inspection methods.
To include such components as : accumulators, compressed air dryers, conductors (rigid and flexible), cylinders, electro-hydraulic and electro-pneumatic components and systems, fittings, fluidic devices, hose fittings and assemblies, filters and separators, fluids, hydraulic pumps, motors, moving-part fluid- controls, pneumatic lubricators, regulators, quick-action couplings, reservoirs, sealing devices, valves.
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This committee contributes with 7 standards to the following Sustainable Development Goal:
| Reference | Title | Type |
|---|---|---|
| ISO/TC 131/SC 1 | Symbols, terminology and classifications | Subcommittee |
| ISO/TC 131/SC 2 | Pumps, motors and integral transmissions [STANDBY] | Subcommittee |
| ISO/TC 131/SC 3 | Cylinders | Subcommittee |
| ISO/TC 131/SC 4 | Connectors and similar products and components | Subcommittee |
| ISO/TC 131/SC 5 | Control products and components | Subcommittee |
| ISO/TC 131/SC 6 | Contamination control | Subcommittee |
| ISO/TC 131/SC 7 | Sealing devices | Subcommittee |
| ISO/TC 131/SC 8 | Product testing | Subcommittee |
| ISO/TC 131/SC 9 | Installations and systems | Subcommittee |
| ISO/TC 131/WG 1 | Accumulators | Working group |
| ISO/TC 131/WG 4 | Determination of the reliability of pneumatic components by testing | Working group |
Joint working groups under the responsibility of another committee
| Reference | Title |
|---|---|
| ISO/TC 28/SC 4/WG 3 | Joint ISO/TC 28/SC 4 - ISO/TC 131 WG: Classification and specifications of hydraulic fluids |
Liaison Committees to ISO/TC 131
The committees below can access the documents of ISO/TC 131:
| Reference | Title | ISO/IEC |
|---|---|---|
| IEC/TC 3 | Documentation, graphical symbols and representations of technical information | IEC |
| IEC/TC 65 | Industrial-process measurement, control and automation | IEC |
| ISO/TC 5 | Ferrous metal pipes and metallic fittings | ISO |
| ISO/TC 10/SC 10 | Process plant documentation | ISO |
| ISO/TC 20/SC 10 | Aerospace fluid systems and components | ISO |
| ISO/TC 22/SC 33 | Vehicle dynamics, chassis components and driving automation systems testing | ISO |
| ISO/TC 23/SC 4 | Tractors | ISO |
| ISO/TC 28/SC 4 | Classifications and specifications | ISO |
| ISO/TC 112 | Vacuum technology | ISO |
| ISO/TC 115 | Pumps | ISO |
| ISO/TC 127 | Earth-moving machinery | ISO |
| ISO/TC 127/SC 2 | Safety, ergonomics and general requirements | ISO |
| ISO/TC 127/SC 4 | Terminology, commercial nomenclature, classification and ratings | ISO |
| ISO/TC 199 | Safety of machinery | ISO |
| ISO/TC 207 | Environmental management | ISO |
Liaison Committees from ISO/TC 131
ISO/TC 131 can access the documents of the committees below:
| Reference | Title | ISO/IEC |
|---|---|---|
| ISO/TC 5 | Ferrous metal pipes and metallic fittings | ISO |
| ISO/TC 20 | Aircraft and space vehicles | ISO |
| ISO/TC 20/SC 10 | Aerospace fluid systems and components | ISO |
| ISO/TC 22 | Road vehicles | ISO |
| ISO/TC 23/SC 4 | Tractors | ISO |
| ISO/TC 28/SC 4 | Classifications and specifications | ISO |
| ISO/TC 44/SC 8 | Equipment for gas welding, cutting and allied processes | ISO |
| ISO/TC 69/SC 6 | Measurement methods and results | ISO |
| ISO/TC 115 | Pumps | ISO |
| ISO/TC 118/SC 1 | Process compressors | ISO |
| ISO/TC 118/SC 3 | Pneumatic tools and machines | ISO |
| ISO/TC 127 | Earth-moving machinery | ISO |
| ISO/TC 127/SC 2 | Safety, ergonomics and general requirements | ISO |
| ISO/TC 127/SC 4 | Terminology, commercial nomenclature, classification and ratings | ISO |
| ISO/TC 153 | Valves | ISO |
| ISO/TC 185 | Safety devices for protection against excessive pressure | ISO |
| ISO/TC 199 | Safety of machinery | ISO |
Organizations in liaison (Category A and B)
| Acronym | Title | Category |
|---|---|---|
| CETOP | European Oil Hydraulic and Pneumatic Committee | A |
| Date | Month | Location | TC/SC | Note |
|---|---|---|---|---|
| 25 | June 2025 | Virtual () | ISO/TC 131/SC 4 |
* Information definite but meeting not yet formally convened
** Provisional
ISO/TC 131 - Secretariat
ANSI (United States)
Milwaukee 53214 WI
United States