Transcription of API 6A - 21st Edition
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API 6A - 21st Edition
1 API 6A -21stEditionSpecification for Wellhead and Tree EquipmentPublication Date: November 2018 Effective Date: November 2019 For Reference Only2 API 6A -21stEditionSpecification for Wellhead and ChristmasTree EquipmentPublication Date: November 2018 Effective Date: November 20193 Committee Member Reaction4 History of 21stEdition of 6 ABallotsBallot 3064 Comment Ballot Closed 7/30/2015 Comment only 894 Comments addressedBallot 4084 Technical Ballot Closed 4/6/2017 -Passed 1198 Comments addressedBallot 4291 Technical Ballot Closed 11/22/2017 -Passed 527 Comments addressedBallot 4464 Final Ballot (Reorganized Specification) Closed 6/11/2018 Passed 1023 Comments received 26 Technical, 116 General, 907 editorial5 API 6A 21stEdition TimelineFirst TG Meeting7/31/20135 ballots (including recirculation ballot)
• Reference “X” dimension for hub of 6B flanges • Making Annex F normative • Complete removal of Segmented flanges • Removal of Weld-Neck flanges • Removal of “pressure-containing” / “pressure controlling” language • Requiring higher 20E BSL’s as normative base level • PR3 Annex • Fully Developed HPHT Philosophy ...
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