Errata 1 to Steel Gate Valves - Flanged and Butt-welding Ends, Bolted Bonnets, Twelfth EditionAmendment by American Petroleum Institute, 11/01/2009

Addenda 2 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)Amendment by American Petroleum Institute, 08/01/2011

Venting Atmospheric and Low-pressure Storage Tanks, Seventh Editionstandard by American Petroleum Institute, 03/01/2014

Type Testing of Quarter-turn Valves for Fugitive Emissions, First Editionstandard by American Petroleum Institute, 10/01/2016

Technical Report on Fire Resistance Improvements for API Flanges, 3rd Editionstandard by American Petroleum Institute, 04/01/1999

BOP Shear Ram Performance Test Protocol, First Edition, Includes Errata 1 (2018)standard by American Petroleum Institute, 07/01/2018

Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions, First Editionstandard by American Petroleum Institute, 02/01/2014

Specification for End Closures, Connectors, and Swivels, Includes Errata 1 (2008)standard by American Petroleum Institute,

Technical Report on Capabilities of API Integral Flanges Under Combination of Loadingstandard by American Petroleum Institute, 04/01/1999

Avoidance of Blockages in Subsea Production Control and Chemical Injection Systems, First Editionstandard by American Petroleum Institute, 03/01/2012

Plate Heat Exchangers for General Refinery Services - Part 1 - Plate-and-Frame Heat Exchangers, First Edition - ISO Adoption from ISO 15547-1:2005standard

Evaluation and Testing of Mechanical Cement Wiper Plugs, First Editionstandard by American Petroleum Institute, 07/01/2015