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About This Item

 

Full Description

This Standard covers Classes 25, 125, and 250 Gray Iron Pipe Flanges and Flanged Fittings. It includes: (a) pressure-temperature ratings; (b) sizes and method of designating openings of reducing fittings; (c) markings; (d) materials; (e) dimensions and tolerances; (f) bolting and gaskets; (g) pressure testing.
 

Document History

  1. ASME B16.1-2020


    Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

    • Most Recent
  2. ASME B16.1-2015

    👀currently
    viewing


    Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

    • Historical Version
  3. ASME B16.1-2010


    Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

    • Historical Version
  4. ASME B16.1-2005


    Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

    • Historical Version
  5. ASME B16.1-1998


    Cast Iron Pipe Flanges and Flanged Fittings

    • Historical Version