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About This Item

 

Full Description

1. SCOPE

1.1 General This Standard Practice covers ratings, dimensions, tolerances, finish, marking and material requirements for socket welding reducer inserts for use with ASME B16.11, Class 3000 and 6000 socket welding fittings. Dimensions for these reducer inserts are shown in Table 3.

1.1.1 Fitting Sizes/Pipe Correlation Fittings covered by this Standard Practice are shown in Table 1, by class, size range and correlation to the schedule number or wall designation of pipe for calculation of ratings.

1.1.2 Partial Compliance Fittings Fittings with special dimensions and fittings made from nonstandard materials may be designed and manufactured by agreement between the manufacturer and the purchaser, provided they are marked in accordance with the requirements for partial compliance fittings of Section 5.1.1 (e).

1.2 Service Conditions Criteria for selection of fitting type and materials suitable for particular fluid service are not within the scope of this Standard Practice.
 

Document History

  1. MSS SP-79-2018


    Socket Welding Reducer Inserts, Includes Errata (2022)

    • Most Recent
  2. MSS SP-79-2011

    👀currently
    viewing


    Socket Welding Reducer Inserts (Includes Errata Amended 7/8/2012)

    • Historical Version
  3. MSS SP-79-2009


    Socket Welding Reducer Inserts, Includes Errata (2010)

    • Historical Version
  4. MSS SP-79-2004


    Socket-Welding Reducer Inserts

    • Historical Version
  5. MSS SP-79-1999a


    Socket-Welding Reducer Inserts

    • Historical Version
  6. MSS SP-79-1999


    Socket-Welding Reducer Inserts

    • Historical Version
  7. MSS SP-79-1992


    Socket-Welding Reducer Inserts

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. MSS SP-79-2011 Errata


    Errata for Socket Welding Reducer Inserts