Steel Flanges & Flanged Fittings

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  1. HISTORICAL

    MSS SP-157-2020▹

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

    Quality Standard for Phosphate Surface Protective Coatings for Valves, Fittings, and Related Steel Piping Components

    standard by Manufacturers Standardization Society, 2020.

    Languages: English

    Historical Editions: MSS SP-157-2024

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  2. MOST RECENT

    MSS SP-157-2024▹

    Quality Standard for Phosphate Surface Protective Coatings for Valves, Fittings, and Related Steel Piping Components

    standard by Manufacturers Standardization Society, 2024.

    Languages: English

    Historical Editions: MSS SP-157-2020

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  3. MOST RECENT

    MSS SP-165-2025▹

    Large Diameter Slip-On and Lap-Joint Flanges

    standard by Manufacturers Standardization Society, 09/01/2025.

    Languages: English

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  4. HISTORICAL

    MSS SP-44-2016▹

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

    Steel Pipeline Flanges, Includes Errata 1 (9/6/2017) & 2 (1/23/2018)

    standard by Manufacturers Standardization Society, 11/01/2016.

    Languages: English

    Amendments, rulings, and supplements: MSS SP-44-2016 Errata (January 23, 2018), MSS SP-44-2016 Errata

    Historical Editions: MSS SP-44-2019, MSS SP-44-2010, MSS SP-44-2006, MSS SP-44-1996 (R2001)

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  5. MOST RECENT

    MSS SP-44-2016 Errata▹

    Errata to Steel Pipeline Flanges

    Amendment by Manufacturers Standardization Society, 09/06/2017.

    Languages: English

  6. MOST RECENT

    MSS SP-44-2016 Errata (January 23, 2018)▹

    Errata to Steel Pipeline Flanges

    Amendment by Manufacturers Standardization Society, 01/23/2018.

    Languages: English

  7. MOST RECENT

    MSS SP-44-2019▹

    Steel Pipeline Flanges

    standard by Manufacturers Standardization Society, 2020.

    Languages: English

    Historical Editions: MSS SP-44-2016, MSS SP-44-2010, MSS SP-44-2006, MSS SP-44-1996 (R2001)

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  8. HISTORICAL

    MSS SP-51-2012▹

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

    Class 150LW Corrosion Resistant Cast Flanges and Flanged Fittings

    standard by Manufacturers Standardization Society, 05/01/2012.

    Languages: English

    Historical Editions: MSS SP-51-2021, MSS SP-51-2007, MSS SP-51-2003, MSS SP-51-2000, MSS SP-51-1991(R1995)

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  9. MOST RECENT

    MSS SP-51-2021▹

    Class 150LW Corrosion Resistant Flanges and Cast Flanged Fittings

    standard by Manufacturers Standardization Society, 04/01/2021.

    Languages: English

    Historical Editions: MSS SP-51-2012, MSS SP-51-2007, MSS SP-51-2003, MSS SP-51-2000, MSS SP-51-1991(R1995)

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  10. HISTORICAL

    MSS SP-65-2012▹

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

    High Pressure Chemical Industry Flanges and Threaded Stubs for Use with Lens Gaskets

    standard by Manufacturers Standardization Society, 05/01/2012.

    Languages: English

    Historical Editions: MSS SP-65-2024, MSS SP-65-2019, MSS SP-65-2008, MSS SP-65-2004, MSS SP-65-1999

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