99/121962 DC : DRAFT JUN 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
EN ISO 3126 - PLASTICS PIPING SYSTEMS - PLASTICS PIPING COMPONENTS - MEASUREMENT AND DETERMINATION OF DIMENSIONS
31-07-2006
23-11-2012
Foreword
1 Scope
2 Normative references
3 Definitions
4 Measuring devices
4.1 General requirements
4.1.1 Accuracy of measuring devices
4.1.2 Calibration
4.2 Instruments
4.2.1 Contact instruments
4.2.2 Non contact instruments
5 Procedures for dimension determination
5.1 General
5.2 Wall thicknesses
5.2.1 General
5.2.2 Maximum and minimum wall thicknesses at
any point
5.2.3 Mean wall thickness
5.3 Diameters
5.3.1 General
5.3.2 Measurement of maximum and minimum diameter
5.3.3 Determination of mean outside diameter
5.3.4 Determination of mean inside diameter
5.3.5 Calculation of mean diameter
5.4 Out of roundness
5.5 Pipe lengths
5.6 Other measurements
Annex A (normative) Determination of other measurements
of glass reinforced thermosetting products
A.1 End squareness of pipes and fittings
A.1.1 General
A.1.2 Principle
A.1.3 Procedure
A.2 Bends
A.2.1 General
A.2.2 Angular change and effective length
A.2.3 Design lengths
A.2.4 Radius of curvature
A.3 Branches
A.3.1 General
A.3.2 Main pipe
A.3.3 Branch pipe
A.4 Reducers
A.4.1 General
A.4.2 Effective length
A.4.3 Design length
A.4.4 Length of the tapered section
A.5 Flanges, loose flanges and collar
A.5.1 General
A.5.2 Outside diameter of the flange, loose flange
and collar
A.5.3 Bore diameter of the flange or collar
A.5.4 Bolt hole diameter
A.5.5 Bolt hole distribution
A.5.6 Concentricity of bolt circle diameter
A.5.7 Bolt circle diameter
A.5.8 Shoulder diameter of flange and collar
A.5.9 Flange and collar thickness
A.5.10 Length of the flange and collar
Bibliography
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