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About This Item

 

Full Description

This standard applies to new valve construction and covers pressure-temperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end, and wafer or flangeless valves of steel, nickel-base alloys, and other alloys shown in Table 1. Wafer or flangeless valves, bolted or through-bolt types, that are installed between flanges or against a flange shall be treated as flanged end valves. Alternative rules for small valves(NPS 2 1/2 and smaller) are give in Annex G.

 

Document History

  1. ASME B16.34-2020


    Valves - Flanged, Threaded and Welding End

    • Most Recent
  2. ASME B16.34-2017


    Valves - Flanged, Threaded and Welding End

    • Historical Version
  3. ASME B16.34-2013


    Valves - Flanged, Threaded and Welding End

    • Historical Version
  4. ASME B16.34-2009


    Valves Flanged, Threaded and Welding End, Includes Supplement (2010)

    • Historical Version
  5. ASME B16.34-2004

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    Valves Flanged, Threaded and Welding End

    • Historical Version
  6. ASME B16.34-1996


    Valves - Flanged, Threaded, and Welding End - Includes 1998 Addenda

    • Historical Version