ANSI

Glossary Term: ANSI

Meaning: American National Standards Institute

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The following is from their website, http://www.ansi.org/

The ANSI Federation’s primary goal is to enhance the global competitiveness of U.S. business and the American quality of life by promoting and facilitating voluntary consensus standards and ensuring their integrity.

The Institute, which is active in both national and international standardization, is a major proponent of the United States Standards Strategy (USS). This document establishes a framework that can be used by all interests including companies, government, nongovernmental organizations, standards developers and consumers, to further improve U.S. competitiveness abroad while continuing to provide strong support for domestic markets. Using the USS as a guide, ANSI is successfully facing the standardization challenges of a global economy while addressing key quality-of-life issues such as safety and the environment.

Although ANSI itself does not develop American National Standards (ANSs), it provides all interested U.S. parties with a neutral venue to come together and work towards common agreements. The process to create these voluntary standards is guided by the Institute’s cardinal principles of consensus, due process and openness and depends heavily upon data gathering and compromises among a diverse range of stakeholders. The Institute ensures that access to the standards process, including an appeals mechanism, is made available to anyone directly or materially affected by a standard that is under development. Thousands of individuals, companies, government agencies and other organizations such as labor, industrial and consumer groups voluntarily contribute their knowledge, talents and efforts to standards development.

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Pipe Size
Pitch  (Threads/Inch)
NPT/NPS
BSP
 1/16"
27
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 1/8"
27
28
 1/4"
18
19
 3/8"
18
19
 1/2"
14
14
 5/8"
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14

 
Pipe Size
Pitch  (Threads/Inch)
NPT/NPS
BSP
 3/4"
14
14
1"
11 1/2
11
1 1/4"
11 1/2
11
1 1/2"
11 1/2
11
2"
11 1/2
11
2 1/2"
8
11

 
Pipe Size
Pitch  (Threads/Inch)
NPT/NPS
BSP
3"
8
11
3 1/2"
8
11
4"
8
11
5"
8
11
6"
8
11
8"
8
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