The latest progress on International Standards

Doc #

Name

Stage/Close Date

Impact

Connectors
ISO 14540:2013 Dimensions and requirements for hydraulic screw-to-connect quick-action couplings for use at 72 MPa International Standard published 2013-03-15. Reduces leakage
ISO 14541:2013 Dimensions and requirements for hydraulic screw-to-connect quick-action couplings for general purpose International Standard published 2013-03-15. Reduces leakage
Contamination control
ISO 11170:2013 Sequence of tests for verifying hydraulic filter element performance characteristics Third edition of International Standard published 2013-02-15. Improves reliability of hydraulic systems
Control products
ISO/TR 17209:2013 Cavities for two-, three- and four-port hydraulic cartridge valves with ISO 725 UN and UNF threads ISO Technical Report published 2013-03-15. Provides for dimensional interchangeability for commonly-used component
New work item proposal Method for calculating effective conductance of pneumatic components (to become ISO 6358-4) New work item proposal circulated to the U.S. TAG to ISO/TC 131/
SC 5/Pneumatic for ballot, which closes 2013-05-02.
Helps determine the right sized pneumatic valve for an application
Cylinders
ISO/DIS 3320 Metric fluid power cylinder bores, piston rod diameters and area ratios [proposed revision of ISO 3320:1987 and ISO 7181:1991] Draft International Standard circulated to the U.S. TAG to
ISO/TC 131/SC 3 for ballot, which closes 2013-05-09.
Provides for rationalized series of key cylinder dimensions
Sealing devices
ISO 6195:2013 Dimensions and tolerances of hydraulic cylinder rod wiper ring housings in reciprocating applications Third edition of International Standard published 2013-02-15. Reduces leakage
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.