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About This Item

 

Full Description

ISO 7121:2006 specifies the requirements for a series of steel ball valves suitable for general-purpose industrial applications. It covers valves of the nominal sizes DN 8, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500 (NPS 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 6, 8, 10, 12, 14, 16, 18 and 20), and is applicable to pressure designations Class 150, 300, 600, 900, and PN 10, 16, 25, 40, 63, 100.

 

Document History

  1. ISO 7121:2016


    Steel ball valves for general-purpose industrial applications

    • Most Recent
  2. ISO 7121:2006

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    Steel ball valves for general-purpose industrial applications

    • Historical Version
  3. ISO 7121:1986


    Flanged steel ball valves

    • Historical Version