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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.
DESIGN AND CONSTRUCTION OF LARGE, WELDED, LOW-PRESSURE STORAGE TANKS
Standard published on 1.1.2000
Selected format:Reconditioning of Metallic Gate, Globe, and Check Valves
Standard published on 1.8.2010
Selected format:Reconditioning of Metallic Gate, Globe, and Check Valves
Standard published on 1.10.2022
Selected format:Type Testing of Process Valve Packing for Fugitive Emissions
Standard published on 1.3.2022
Selected format:Steel Globe Valves—Flanged and Butt-welding Ends, Bolted Bonnets
Standard published on 1.1.2021
Selected format:Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions
Standard published on 1.5.2023
Selected format:Tank Systems for Refrigerated Liquefied Gas Storage
Standard published on 1.9.2021
Selected format:Diverter Equipment Systems
Standard published on 1.5.2023
Selected format:Type Testing of Quarter-turn Valves for Fugitive Emissions
Standard published on 1.10.2023
Selected format:Cementing Shallow-water Flow Zones in Deepwater Wells
Standard published on 1.6.2018
Selected format:Latest update: 2025-07-20 (Number of items: 2 209 004)
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