Refining

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  1. MOST RECENT

    API 1220▹

    Guidelines for Evaluating Vendors and Training Programs

    standard by American Petroleum Institute, 09/01/1998.

    Languages: English

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  2. HISTORICAL

    API 520-2▹

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

    Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries: Part II - Installation

    standard by American Petroleum Institute, 12/01/1994.

    Languages: English

    Historical Editions: API Std 520, Part 2 (2020), API Std 520, Part 2 (2015), API RP 520 (R2011) (2003)

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  3. HISTORICAL

    API 521▹

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

    Guide for Pressure Relief and Depressuring Systems

    standard by American Petroleum Institute, 09/01/1969.

    Languages: English

    Historical Editions: API Std 521 (2020), API Std 521 (2014), API Std 521 (2007), API 521 (1997), API 521 (1990), API 521 (1982)

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  4. HISTORICAL

    API 521▹

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

    Guide for Pressure-Relieving and Depressuring Systems

    standard by American Petroleum Institute, 09/01/1982.

    Languages: English

    Historical Editions: API Std 521 (2020), API Std 521 (2014), API Std 521 (2007), API 521 (1997), API 521 (1990), API 521 (1969)

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  5. HISTORICAL

    API 521▹

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

    Guide for Pressure-Relieving and Depressuring Systems

    standard by American Petroleum Institute, 11/01/1990.

    Languages: English

    Historical Editions: API Std 521 (2020), API Std 521 (2014), API Std 521 (2007), API 521 (1997), API 521 (1982), API 521 (1969)

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  6. HISTORICAL

    API 521▹

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

    Guide for Pressure-Relieving and Depressuring Systems

    standard by American Petroleum Institute, 03/15/1997.

    Languages: English

    Historical Editions: API Std 521 (2020), API Std 521 (2014), API Std 521 (2007), API 521 (1990), API 521 (1982), API 521 (1969)

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  7. HISTORICAL

    API 526▹

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

    Flanged Steel Pressure Relief Valves

    standard by American Petroleum Institute, 06/01/1995.

    Languages: English

    Historical Editions: API Std 526 (2023), API Std 526 (2017), API Std 526 (2009), API Std 526 (2002)

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  8. HISTORICAL

    API 530-1996▹

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

    Calculation of Heater Tube Thickness in Petroleum Refineries

    standard by American Petroleum Institute, 10/01/1996.

    Languages: English

    Historical Editions: API Std 530 (2015), API Std 530 (2008), API Std 530 (2003)

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  9. MOST RECENT

    API 530E▹

    Calculation of Heater Tube Thickness in Petroleum Refineries ISO 13704:2001 (E), Petroleum and natural gas industries-Calculation of heater tube thick-ness in petroleum refineries, Fifth Edition, Errata

    Amendment by American Petroleum Institute, 03/01/2004.

    Languages: English

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  10. HISTORICAL

    API 541▹

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

    Form-Wound Squirrel Cage Induction Motors--250 Horsepower and Larger

    standard by American Petroleum Institute, 04/01/1995.

    Languages: English

    Historical Editions: API Std 541 (R2021) (2014), API Std 541 (2004)

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