Series 6: Valves and Wellhead Equipment

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  1. HISTORICAL

    API Spec 6A▹

    This document has been replaced. View the most recent version.

    Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification), Includes Errata (through Errata 10, Aug 2016), Addenda 1(Nov 2011), 2 (Nov 2012), 3 (March 2013), and 4 (June 2016)

    standard by American Petroleum Institute, 10/01/2010 in Chinese, English, Russian.

    Languages: Chinese,English,Russian

    Amendments, rulings, and supplements: API Spec 6A Errata 1 Thru 10 (2016), API Spec 6A Addendum 4 (2016), API Spec 6A Errata 9 (2016), API Spec 6A Errata 8 (2016), API Spec 6A Addendum 3 (2013), API Spec 6A Addendum 2 (2012), API Spec 6A Addendum 1 (2011)

    Historical Editions: API Spec 6A (2018), API Spec 6A (2004), API Spec 6A (2002), API Spec 6A (1999), API Spec 6A (1986), API Spec 6A (1983), API Spec 6A (1981), API Spec 6A (1979), API Spec 6A (1977)

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  2. HISTORICAL

    API Spec 6A▹

    This document has been replaced. View the most recent version.

    Specification for Wellhead and Christmas Tree Equipment, Fourteenth Edition

    standard by American Petroleum Institute, 01/01/1983.

    Languages: English

    Historical Editions: API Spec 6A (2018), API Spec 6A (2010), API Spec 6A (2004), API Spec 6A (2002), API Spec 6A (1999), API Spec 6A (1986), API Spec 6A (1981), API Spec 6A (1979), API Spec 6A (1977)

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  3. HISTORICAL

    API Spec 6A▹

    This document has been replaced. View the most recent version.

    Specification for Wellhead and Christmas Tree Equipment, Nineteenth Edition, Includes Erratas 1-5 (2009), Addendums 1, 2, 3, and 4 (2008)

    standard by American Petroleum Institute, 07/01/2004.

    Languages: English

    Amendments, rulings, and supplements: API 6A Errata 5 (2009), API Spec 6A Add 3 (2008), API Spec 6A Add 2 (2008), API Spec 6A Add 4 (2008), API Spec 6A Errata 4 (2008), API Spec 6A Add 1 (2008), API 6A Errata 3 (2006), API 6A Errata 2 (2005), API 6A Errata 1 (2004)

    Historical Editions: API Spec 6A (2018), API Spec 6A (2010), API Spec 6A (2002), API Spec 6A (1999), API Spec 6A (1986), API Spec 6A (1983), API Spec 6A (1981), API Spec 6A (1979), API Spec 6A (1977)

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  4. MOST RECENT

    API Spec 6A▹

    Specification for Wellhead and Tree Equipment, Twenty-First Edition, Includes Errata 1 (2019), Errata 2 (2020), Errata 3 (2020), Errata 4 (2021), Errata 5 (2024), Errata 6 (2024), Addendum 1 (2020), Addendum 2 (2021), Addendum 3 (2022), and Addendum 4 (2024)

    standard by American Petroleum Institute, 10/31/2018 in English, Russian.

    Languages: English,Russian

    Amendments, rulings, and supplements: API Spec 6A Addendum 4 (2024), API Spec 6A Errata 6 (2024), API Spec 6A Errata 5 (2024), API Spec 6A Addendum 3 (2022), API Spec 6A Errata 4 (2021), API Spec 6A Addendum 2 (2021), API Spec 6A Errata 3 (2020), API Spec 6A Addendum 1 (2020), API Spec 6A Errata 2 (2020), API Spec 6A Errata 1 (2019)

    Historical Editions: API Spec 6A (2010), API Spec 6A (2004), API Spec 6A (2002), API Spec 6A (1999), API Spec 6A (1986), API Spec 6A (1983), API Spec 6A (1981), API Spec 6A (1979), API Spec 6A (1977)

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  5. MOST RECENT

    API Spec 6A Add 1▹

    Addendum 1 to Specification for Wellhead and Christmas Tree Equipment

    Amendment by American Petroleum Institute, 02/01/2008.

    Languages: English

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  6. MOST RECENT

    API Spec 6A Add 2▹

    Addendum 2 to Specification for Wellhead and Christmas Tree Equipment

    Amendment by American Petroleum Institute, 12/01/2008.

    Languages: English

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  7. MOST RECENT

    API Spec 6A Add 3▹

    Addendum 3 to Specification for Wellhead and Christmas Tree Equipment

    Amendment by American Petroleum Institute, 12/01/2008.

    Languages: English

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  8. MOST RECENT

    API Spec 6A Add 4▹

    Addendum 4 to Specification for Wellhead and Christmas Tree Equipment

    Amendment by American Petroleum Institute, 12/01/2008.

    Languages: English

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  9. MOST RECENT

    API Spec 6A Addendum 1▹

    Addendum to Specification for Wellhead and Tree Equipment

    Amendment by American Petroleum Institute, 07/01/2020.

    Languages: English

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  10. MOST RECENT

    API Spec 6A Addendum 1▹

    Addendum 1 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification), Includes Addenda 1(Nov 2011), 2 (Nov 2012), 3 (March 2013)

    Amendment by American Petroleum Institute, 11/01/2011.

    Languages: English

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