ANSI - American National Standards Institute

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The American National Standards Institute - ANSI - is a private, non-profit organization that administers and coordinates the U.S. voluntary standardization and conformity assessment system.

ANSI provides a forum for development of American national standards from organizations as 

• ASME - American Society of Mechanical Engineers
• NFPA - National Fire Protection Association and more, 

and serves as a coordination point for national distribution of international standards issued from organizations as 

• ISO - International Organization for Standardization,
• DIN - Deutsches Institut für Normung eV, 
• IEC - International Electro technical Commission and others.

Many of committees are chaired and sponsored by engineering societies such as 

• ASME - American Society of Mechanical Engineers and 
• IEEE - Institute of Electrical and Electronics Engineers.

Safety is the basic objective in the standards developed by ANSI. The ANSI standards include prohibition for practices considered unsafe.

Some of the ANSI codes may eventually become known as ASME standards - as the ANSI B31 Pressure Piping Code is changed to ASME B31.

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Related Topics

• Codes and Standards - Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more..
• Standards Organizations - National and International organizations producing codes and standards - ANSI, ISO, DIN, BSi and more

Related Documents

• ASME/ANSI B16 - Standards of Pipes and Fittings - The ASME B16 Standards covers pipes and fittings in cast iron , cast bronze, wrought copper and steel
• Carbon and Stainless Steel Flanges - ASME/ANSI Class 300 - ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 300 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
• Piping Codes & Standards - Piping codes and piping standards
• Steel Pipes Dimensions - ANSI Schedule 40 - Internal and external diameters, areas, weights, volumes and number of threads for schedule 40 steel pipes