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API Spec 11V1 (R2008) [ Withdrawn ]Specification for Gas Lift Valves, Orifices, Reverse Flow Valves, and Dummy Valvesstandard by American Petroleum Institute, 02/01/1995
API Spec 11NSpecification for Lease Automatic Custody Transfer (LACT) Equipmentstandard by American Petroleum Institute, 11/01/1994
API Spec 11L6Electric Motor Prime Mover for Beam Pumping Unit Servicestandard by American Petroleum Institute, 06/01/1993
API Spec 11IW (R2008) [ Withdrawn ]Specification for Independent Wellhead Equipmentstandard by American Petroleum Institute, 06/01/2000
API Spec 11E Errata 2Errata for Specifications for Pumping Units, Eighteenth EditionAmendment by American Petroleum Institute, 07/01/2009
API Spec 11E Errata 1Errata for Specifications for Pumping Units, Eighteenth EditionAmendment by American Petroleum Institute, 03/01/2009
API Spec 11E ErrataErrata for Specifications for Pumping Units, Nineteenth EditionAmendment by American Petroleum Institute, 08/01/2015
API Spec 11E Addendum 1Addendum 1 to Specifications for Pumping Units, Nineteenth EditionAmendment by American Petroleum Institute, 04/01/2018
API Spec 11E (R2000)Specifications for Pumping Unitsstandard by American Petroleum Institute, 01/01/1994
API Spec 11ESpecifications for Pumping Units, Nineteenth Edition, Includes Errata (August 2015), Addendum 1 (2018)standard by American Petroleum Institute, 11/01/2013
API Spec 11ESpecifications for Pumping Units, Eighteenth Edition, Includes Errata (2009)standard by American Petroleum Institute, 11/01/2008
API Spec 11ESpecifications for Pumping Units, Twentieth Editionstandard by American Petroleum Institute, 10/01/2022