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EN 1591-1:2013 Standard

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  Keywords:

#calculation #method #large #required #gasket

This standard is superseded by:
  •   EN 1591-1:2024
  •   Directive

    Pressure equipment Directive (2014/68/EU)

      Last Official Journal reference

    Monday 12th of January 2026

      Description:

    Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation

      Purpose

    This European Standard defines a calculation method for bolted, gasketed, circular flange joints. Its purpose is to ensure structural integrity and control of leak tightness. It uses gasket parameters based on definitions and test methods specified in EN 13555. The calculation method is not applicable to joints with a metallic contact out of the sealing face or to joints whose rigidity varies appreciably across gasket width. For gaskets in incompressible materials, which permit large deformations, the results given by the calculation method can be excessively conservative (i.e. required bolting load too high, allowable pressure of the fluid too low, required flange thickness too large, etc.).

      Publication

    Tuesday 19th of July 2016

      Cessation

    This standard will be withdrawn on 2027-07-13

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