Specifies requirements for circular steel flanges in the PN series 1 and 2: types, facings, dimensions, tolerances, threading, bolt sizes, flange face surface finish, marking, testing and inspection. Annex D gives guidance on selected materials, and Annex E gives guidance on the pressure/temperature ratings for some flanges made from the materials listed in Annex D.

General information

  • Status :  Withdrawn
    Publication date : 1992-04
  • Edition : 1
    Number of pages : 79
  • :
    ISO/TC 5/SC 10
    Metallic flanges and their joints
  • 23.040.60
    Flanges, couplings and joints

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