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ISO/TC 131  - Fluid power systems

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Standards and projects under the direct responsibility of ISO/TC 131 Secretariat and its SCs

Standard and/or projectStageICSTC
ISO/FDIS 1179-1
Connections for general use and fluid power -- Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing -- Part 1: Threaded ports
50.00 23.100.40ISO/TC 131/SC 4
ISO/FDIS 1179-2
Connections for general use and fluid power -- Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing -- Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E)
50.00 23.100.40ISO/TC 131/SC 4
ISO/WD 1219-3
Fluid power systems and components -- Graphical symbols and circuit diagrams -- Part 3: Symbol modules and connected symbols in circuit diagrams
20.99ISO/TC 131
ISO/DIS 3320
Fluid power systems and components - Cylinder bores and piston rod diameters and area ratios - Metric series
40.20 23.100.20ISO/TC 131/SC 3
ISO/DIS 3601-5
Fluid power systems -- O-rings -- Part 5: Specification of elastomeric materials for industrial applications
40.00 23.100.60
83.140.50
ISO/TC 131/SC 7
ISO/CD 6020-2
Hydraulic fluid power -- Mounting dimensions for single rod cylinders, 16 MPa (160 bar) series -- Part 2: Compact series
30.20 23.100.20ISO/TC 131/SC 3
ISO/CD 6020-3
Hydraulic fluid power -- Mounting dimensions for single rod cylinders, 16 MPa (160 bar) series -- Part 3: Compact series with bores from 250 mm to 500 mm
30.20 23.100.20ISO/TC 131/SC 3
ISO/DIS 6358-3.2
Pneumatic fluid power -- Determination of flow-rate characteristics of components using compressible fluids -- Part 3: Method for calculating steady-state flow-rate characteristics of assemblies
40.60 23.100.01ISO/TC 131/SC 5
ISO/DIS 6953-1
Pneumatic fluid power -- Compressed air pressure regulators and filter-regulators -- Part 1: Main characteristics to be included in literature from suppliers and product-marking requirements
40.20 23.100.50ISO/TC 131/SC 5
ISO/DIS 6953-2
Pneumatic fluid power -- Compressed air pressure regulators and filter-regulators -- Part 2: Test methods to determine the main characteristics to be included in literature from suppliers
40.20 23.100.50ISO/TC 131/SC 5
ISO/DIS 7241-1
Hydraulic fluid power -- Quick-action couplings -- Part 1: Dimensions and requirements
40.20 23.100.40ISO/TC 131/SC 4
ISO/DIS 8132
Hydraulic fluid power -- Mounting dimensions for accessories for single rod cylinders, 16 MPa (160 bar) medium and 25 MPa (250 bar) series
40.00 23.100.20ISO/TC 131/SC 3
ISO/DIS 8133
Hydraulic fluid power -- Mounting dimensions for accessories for single rod cylinders, 16 MPa (160 bar) compact series
40.00 23.100.20ISO/TC 131/SC 3
ISO/PRF TR 10686
Hydraulic fluid power -- Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system
50.20 23.100.01ISO/TC 131/SC 6
ISO/CD 10762
Hydraulic fluid power -- Cylinder mounting dimensions -- 10 MPa (100 bar) series
30.99 23.100.20ISO/TC 131/SC 3
ISO/NP 10766
Hydraulic fluid power -- Cylinders -- Housing dimensions for rectangular-section-cut bearing rings for pistons and rods
10.99 23.100.20ISO/TC 131/SC 7
ISO/DIS 10767-1
Hydraulic fluid power -- Determination of pressure ripple levels generated in systems and components -- Part 1: Method for determining source flow ripple and source impedance of pumps
40.20 23.100.10ISO/TC 131/SC 8
ISO/DIS 10771-1
Hydraulic fluid power -- Fatigue pressure testing of metal pressure-containing envelopes -- Part 1: Test method
40.20 23.100.99ISO/TC 131/SC 8
ISO/CD 11926-1
Connections for general use and fluid power -- Ports and stud ends with ISO 263 UN and UNF threads and O-ring sealing -- Part 1: Ports with truncated housing for O-ring seal
30.60 23.100.40ISO/TC 131/SC 4
ISO/CD 11926-2
Connections for general use and fluid power -- Ports and stud ends with ISO 263 inch threads and O-ring sealing -- Part 2: Heavy-duty (S series) stud ends
30.60 23.100.40ISO/TC 131/SC 4
ISO/CD 11926-3
Connections for general use and fluid power -- Ports and stud ends with ISO 263 inch threads and O-ring sealing -- Part 3: Light-duty (L series) stud ends
30.60 23.100.40ISO/TC 131/SC 4
ISO/CD 11926-4
Connections for fluid power and general use -- Ports and stud ends with ISO 263 threads and O-ring sealing -- Part 4: Dimensions, design, test methods and requirements for external and internal hex port plugs
30.60 23.100.40ISO/TC 131/SC 4
ISO/NP 12669
Hydraulic fluid power -- Method for determining the required cleanliness level (RCL) for a system
10.99 23.100.60ISO/TC 131/SC 6
ISO/CD 12829
Hydraulic fluid power -- Spin-on filters with finite lives -- Method for verifying the fatigue life rating and the burst pressure rating of the pressure containing envelope
30.20 23.100.60ISO/TC 131/SC 6
ISO/NP TS 13725
Hydraulic fluid power -- Method for evaluating cylinder buckling load
10.99ISO/TC 131/SC 3
ISO/AWI 14743
Pneumatic fluid power -- Push-in connectors for thermoplastic tubes
20.00 23.100.40ISO/TC 131/SC 4
ISO/NP 15171-2
Connections for fluid power and general use -- Hydraulic couplings for diagnostic purposes -- Part 2: Coupling with M16 x 2 end for connection under pressure
10.99 23.100.40ISO/TC 131/SC 4
ISO/DTR 16386
Impact of changes in ISO fluid power particle counting -- Contamination control and filter test standards
30.60 23.100.60ISO/TC 131/SC 6
ISO/DIS 16908
Hydraulic filter element test methods -- Thermal conditioning and cold start-up simulation
40.00 23.100.60ISO/TC 131/SC 6
ISO/WD 16920
Hydraulic fluid power -- Requirements for gas-loaded accumulators
20.20 23.100.99ISO/TC 131
ISO/AWI 18237
Hydraulic fluid dehydrators -- Method for evaluating water separation performance
20.00 23.100.60ISO/TC 131/SC 6
ISO/DIS 18413
Hydraulic fluid power -- Cleanliness of parts and components -- Inspection document and principles related to contaminant collection, analysis and data reporting
40.20 23.100.60ISO/TC 131/SC 6
ISO/NP 18582-1
Fluid power systems and components -- Standardized product properties -- Part 1: Organization and structure of reference dictionary
10.99ISO/TC 131
ISO/NP 19973-1
Pneumatic fluid power -- Assessment of component reliability by testing -- Part 1: General procedures
10.99ISO/TC 131
ISO/NP 19973-2
Pneumatic fluid power -- Assessment of component reliability by testing -- Part 2: Directional control valves
10.99ISO/TC 131
ISO/NP 19973-3
Pneumatic fluid power -- Assessment of component reliability by testing -- Part 3: Cylinders with piston rod
10.99ISO/TC 131
ISO/DIS 19973-4
Pneumatic fluid power -- Assessment of component reliability by testing -- Part 4: Pressure regulators
40.60 23.100.01ISO/TC 131
ISO/DIS 19973-5
Pneumatic fluid power -- Assessment of component reliability by testing -- Part 5: Non-return valves, shuttle valves, dual pressure valves, one-way adjustable flow control valves, quick-exhaust valves
40.60 23.100.01ISO/TC 131
ISO/AWI 21018-4
Hydraulic fluid power -- Monitoring the level of particulate contamination -- Part 4: Use of the light extinction technique
20.00 23.100.60ISO/TC 131/SC 6
ISO/AWI 23309
Hydraulic fluid power systems -- Assembled systems -- Methods of cleaning lines by flushing
20.00 23.100.40ISO/TC 131/SC 6