I.S. EN ISO 3126:2005
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-01-2005
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Measuring devices
4.1 General requirements
4.2 Instruments
5 Determination of dimensions
5.1 General
5.2 Wall thicknesses
5.3 Diameters
5.4 Out-of-roundness
5.5 Pipe lengths
5.6 End squareness of pipes and fittings
6 Determination of other geometrical characteristics
related to fittings
6.1 General
6.2 Bends
6.3 Branches
6.4 Reducers
7 Flanges, loose flanges and collar
7.1 General
7.2 Outside diameter of the flange, loose flange
and collar
7.3 Bore diameter of the flange or collar
7.4 Bolt hole diameter
7.5 Bolt hole distribution
7.6 Concentricity of bolt circle diameter
7.7 Pitch circle diameter
7.8 Shoulder diameter of flange and collar
7.9 Flange and collar thickness
7.10 Length of the flange and collar
8 Other measurements
Bibliography
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