prBAS EN 1591-1:2025
Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
General information
Status:Project
Number of pages:79
Adoption method:Proglašavanje
Language:engleski
Edition:2.
Realization date:23.10.2024
Forseen date for next stage code:18.03.2025
Technical committee:BAS/TC 16, Mechanical elements
Directives:
2014/68/EU, Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment
ICS:
23.040.60, Flanges, couplings and joints
Abstract
This document 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 13555:2014.
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.).
Lifecycle
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Original document and degree of correspondence
EN 1591-1:2024, identical
Relation to BAS standards
Work material
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