API 609
Butterfly Valves: Lug- and Wafer-Typestandard by American Petroleum Institute, 05/01/1997
Addendum 2 - Welded Steel Tanks for Oil StorageAmendment by American Petroleum Institute, 11/01/2001
Errata - Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division I and Division
Addendum to Flare Details for Petroleum, Petrochemical, and Natural Gas Industries, Third EditionAmendment by American Petroleum Institute, 06/01/2020
Errata 5 for Specification for Wellhead and Christmas Tree EquipmentAmendment by American Petroleum Institute, 05/01/2009
Shell and Tube Heat Exchangers for General Refinery Servicesstandard by American Petroleum Institute, 02/01/2001
API-ASME for the Design, Construction, Inspection and Repair of Unfired Pressure Vesselsstandard by American Petroleum Institute,
Imperfection and Defect Terminologystandard by American Petroleum Institute, 10/01/2017
Piping Inspection Code: In-service Inspection, Repair, and Alteration of Piping Systems, Third Editionstandard by American Petroleum Institute, 11/01/2009
Addendum to Technical Report on Materials Selection for Bolting, First EditionAmendment by American Petroleum Institute, 04/01/2020
Global Emissions of Carbon Dioxide from Petroleum Sourcesstandard by American Petroleum Institute, 07/01/1991