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API Spec 6D Annex FSpecification for Pipeline ValvesAmendment by American Petroleum Institute, 03/01/2005
API Spec 6D Addendum 3Addenda 3 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)Amendment by American Petroleum Institute, 10/01/2012
API Spec 6D Addendum 2Addendum 2 to Specification for Pipelineand Piping Valves, Twenty-Fourth EditionAmendment by American Petroleum Institute, 06/01/2016
API Spec 6D Addendum 2Addenda 2 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)Amendment by American Petroleum Institute, 08/01/2011
API Spec 6D Addendum 1Addendum 1 to Specification for Pipelineand Piping Valves, Twenty-Fourth EditionAmendment by American Petroleum Institute, 03/01/2015
API Spec 6D Addendum 1Addenda 1 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)Amendment by American Petroleum Institute, 10/01/2009
API Spec 6D Addendum 1Addendum 1 to Specification for Valves, Twenty-Fifth EditionAmendment by American Petroleum Institute, 04/01/2023
API Spec 6D Addendum 1Addendum 1 to Specification for Valves, Twenty-Fifth EditionAmendment by American Petroleum Institute, 04/01/2023
API Spec 6DSpecification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007), Includes Errata 1, 2, 3, 4, 5, and 6 (2011) and Addenda 1, 2 (2011), 3 (2012)standard by American Petroleum Institute, 04/01/2008
API Spec 6DSpecification for Pipeline Valvesstandard by American Petroleum Institute, 01/01/2002
API Spec 6DSpecification for Valves, Twenty-Fifth Edition, Includes Errata 1 (2021), Errata 2 (2022), and Addendum 1 (2023)standard by American Petroleum Institute, 11/01/2021
API Spec 6A718Specification of Nickel Base Alloy 718 (UNS N07718) for Oil and Gas Drilling and Production Equipmentstandard by American Petroleum Institute, 03/01/2004