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Baelz North America Blog


Posted by Baelz North America on Jun 28, 2018 10:00:00 AM

The American National Standards Institute (ANSI) is a nongovernment, nonprofit organization that coordinates U.S. industry standards with international standards so that U.S. products can reach the global market. In essence, ANSI serves as an accreditation body for standards developed by other organizations, companies, consumer groups, and government agencies.

The Deutsches Institut für Normung (DIN), or the German Institute for Standardization, serves a similar function. However, DIN is a government organization that embodies German concerns within the framework of European and International standards. DIN has a wide reach, and over 30,000 DIN standards provide comprehensive coverage for various products and technologies.

The Difference Between ANSI and DIN

DIN is most commonly specified in European countries, while ANSI is usually specified in the United States. Therefore, the majority of factories in North America are likely to have piping that is ANSI certified, while similar plants in European countries have DIN piping.  When working with piping that uses the ANSI standard, the flange bolt patterns, face-to-face valve dimensions and pressure requirements will all be in standard measurements (inches and psi). DIN standards use metric measurements (mm and bar) to measure the valve and flange sizes and pressures. 

ANSI vs DIN chart

In general, US-based companies, such as those in the automotive and food industries, choose to work with ANSI, especially if manufacturing is done in the United States. European firms typically employ DIN, even if manufacturing occurs in the United States.

Learn More 

Baelz North America is proud to be the official North American supplier of Baelz Automatic components and engineered systems. We strive to provide solutions that help our clients bring about energy savings for the control and regulation of various heat transfer media. We understand the diverse needs of the global market, so we offer both ANSI- and DIN-compatible valves and flanges.

To learn more about our ANSI ISA-certified valves, visit our website and download comprehensive 365 valve and 367 valve technical guides. There you can also learn more about Baelz three-way control valves with DIN flanges, the 342 valve, and the 347 valve. To discuss your specific needs with an expert, reach out to our team today.

Topics: ANSI, DIN