Fluid Power Journal

History of the ISO 3601 Series of Standards for O-Rings

By Ronald E. Zielinski, President, PolyMod Technologies, Inc., Chairman of the U.S. TAG for TC 131, U.S. Expert and Project Leader to TC 131 SC7, and Christa …

Pneumatic Cylinder ISO Standards

Let’s start with a little background on the ISO committees. ISO TC131 is the committee responsible for fluid power. One of the groups underneath TC131 is …

Benefits of Designing Hydraulic Equipment with Hydraulic Cylinders Per ISO Standards

By Lido Boni, Past Convenor, ISO TC 131/SC3/WG1 Hydraulic Cylinders There are four main ISO standards for mounting dimensions related to hydraulic cylinders. …

Select The Right Hydraulic Component Using Hydraulic Pump & Motor ISO Standards

By Jose M. Garcia Bravo, Ph.D., CFPS The International Standards Organization (ISO) helps hydraulic pump and motor users, manufacturers, and researchers …

Fluid Power Vocabulary ISO 5598

By John F. Berninger, CFPE, past chair of ISO TC 131 (2003-2015) Have you ever had a conversation about pressure in a fluid power system only to realize that …

ISO Standards for Hydraulic Systems and Pneumatic Systems

Jerry Carlin, Past Chair of ISO TC 131/SC9 (2003-2015) Formal standardization of hydraulic and pneumatic systems best practices began in the early 1950s …

Graphical Standard 1219

By Gary Baumgardner, principle engineer at Parker Hannifin Corp., TC 131 chairman We use or are guided by graphical symbols every day of our lives. Stop signs …

The ISO Organization and How the Fluid Power Industry is Included

ISO is the international organization where standards are approved for use in many areas of technology and management. ISO does not write any of the standards; …

NFPA’s Role in Fluid Power Standardization Advocacy

by Eric Lanke, NFPA CEO Standards development is a key activity that contributes to the fulfillment of NFPA’s mission to strengthen the fluid power industry. …

What in the World Do Those Numbers in the ISO Cleanliness Code Mean?

We have been talking a lot about filtration here at the steel mill. My predecessor, Scott McLoughlin, had done a remarkable job in educating by example, …

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