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API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
Errata 1 to Steel Globe Valves - Flanged and Butt-welding Ends, Bolted Bonnets, Second Edition
Adjunct of the standard published on 1.4.2024
Selected format:Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions, Second Edition, Includes Errata 1 (2023) and Errata 2 (2025)
Standard published on 1.2.2023
Selected format:Errata 1 to Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions, Second Edition
Adjunct of the standard published on 1.5.2023
Selected format:Errata 2 to Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions, Second Edition
Adjunct of the standard published on 1.5.2025
Selected format:Tank Systems for Refrigerated Liquefied Gas Storage, First Edition, Includes Addendums 1-5 (2025)
Standard published on 1.8.2010
Selected format:Addendum 1 to Tank Systems for Refrigerated Liquefied Gas Storage, First Edition
Adjunct of the standard published on 1.7.2013
Selected format:Addendum 2 to Tank Systems for Refrigerated Liquefied Gas Storage, First Edition
Adjunct of the standard published on 1.11.2014
Selected format:Recommended Practices for Evaluation of Polymers Used in Enhanced Oil Recovery Operations
Standard published on 1.6.1990
Selected format:Recommended Practices for Measurement of Noise from Air-Cooled Heat Exchangers
Standard published on 1.6.1981
Selected format:Diverter Equipment Systems, Third Edition, Includes Addendum 1 (2018)
Standard published on 1.8.2017
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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