The latest progress on International Standards

Doc #

Name

Stage/Close Date

Impact

Connectors
ISO/FDIS 1179-1 Ports with ISO 228-1 threads with elastomeric or metal-to-metal sealing for general use and fluid power [revision of ISO 1179-1:2007] Final Draft International Standard circulated to the U.S. TAG to ISO/TC 131/SC 4 for ballot, which closed 2013-08-05. Reduces leakage and improves reliability
ISO/FDIS 1179-2 Heavy-duty and light duty stud ends with ISO 228-1 with elastomeric sealing (type E) for general use and fluid power [revision of ISO 1179-2:2007] Final Draft International Standard circulated to the U.S. TAG to ISO/TC 131/SC 4 for ballot, which closed 2013-08-05. Reduces leakage and improves reliability
ISO 6164:1994 Four-screw, one-piece square-flange connectors for use at 25 and 40 MPa [revision of ISO 6164:1994] ISO/TC 131/SC 4 resolution 171 to revise this International Standard circulated to the U.S. TAG to ISO/TC 131/SC 4 for ballot, which closed 2013-08-16. Reduces leakage and improves reliability
Contamination control
ISO/DIS 16908 Hydraulic filter element thermal conditioning and cold start-up simulation Draft International Standard circulated to the U.S. TAG to ISO/TC 131/SC 6 for ballot, which closes 2013-09-10. Improves reliability
ISO/NP 21017 Expression of particulate contamination level of hydraulic components and parts New work item proposal to reactivate this project circulated to the U.S. to ISO/TC 131/SC 6 for ballot, which closes 2013-08-27. Improves reliability
Control products — hydraulic
ISO 5781:2000 Mounting surfaces for hydraulic pressure-reducing, sequence, unloading, throttle and non-return (check) valves [revision of ISO 5781:2000] ISO/TC 131/SC 5 resolution C-2/2013 to revise this International Standard circulated to the U.S. TAG to ISO/TC 131/SC 5/WG 2 for ballot, which closes 2013-09-09. Provides for dimensional interchange-ability for commonly-used component
ISO 7368:1989 Cavities for hydraulic two-port slip-in cartridge valves ISO/TC 131/SC 5 resolution C-1/2013 to revise this International Standard circulated to the U.S. TAG to ISO/TC 131/SC 5/WG 2 for ballot, which closes 2013-09-09. Provides for dimensional interchange-ability for commonly-used component
Cylinders
ISO/DIS 8132 Accessory mounting dimensions for 16 MPa medium and 25 MPa single rod cylinders [revision of ISO 8132:2006] Draft International Standard circulated to the U.S. TAG to ISO/TC 131/SC 3 for ballot, which closes 2013-09-03. Provides for dimensional interchange-ability for commonly-used component
ISO/DIS 8133 Accessory mounting dimensions for 16 MPa compact hydraulic cylinders [revision of ISO 8133:2006] Draft International Standard circulated to the U.S. TAG to ISO/TC 131/SC 3 for ballot, which closes 2013-09-03. Provides for dimensional interchange-ability for commonly-used component
ISO 21287:2004 Pneumatic compact cylinders, 1000 kPa (10 bar) series, bores from 20 mm to 100 mm International Standard confirmed until 2018. Provides for dimensional interchange-ability for commonly-used component
Reliability
ISO/NP 16194 Assessing pneumatic component reliability by accelerated life testing New work item proposal to activate this project from on-hold status circulated to the U.S. TAG to ISO/TC 131/WG 4 for ballot, which closes 2013-09-10. Improves reliability
Sealing devices
ISO/DIS 3601-5 Symbol modules and connected symbols in fluid power circuit diagrams Committee draft circulated to the U.S. TAG to ISO/TC 131/SC 1 for ballot, which closes 2013-09-03. Improves reliability and prevents leakage
Terminology, symbols and classification
ISO/CD 1219-3 Suitability of O-ring elastomeric materials for industrial applications [revision of ISO 3601-5:2002] Draft International Standard circulated to the U.S. TAG to ISO/TC 131/SC 7 for ballot, which closes 2013-09-10. Improves communication
If you would like more information about these documents, or if you would like to get involved in the development of standards, please contact NFPA's Standards Department at (414) 778-3345. For more information about other projects, visit NFPA's Standards Locator.