I.S. EN 1759-4:2003
Current
The latest, up-to-date edition.
FLANGES AND THEIR JOINT - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 4: ALUMINIUM ALLOY FLANGES
Hardcopy , PDF
English
01-01-2003
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.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Designations
4.1 Range of nominal sizes
4.2 Range of Class designations
4.3 Types of flanges
4.4 Designation of flanges
5 General requirements
5.1 Flange materials
5.2 Repairs
5.3 Bolting
5.4 Gaskets
5.5 Pressure/temperature (p/T) ratings
5.6 Dimensions
5.7 Flange facings
5.7.1 Types of jointing faces
5.7.2 Jointing face finish
5.8 Spot facing and back facing of flanges
5.9 Tolerances
5.10 Marking
Annex A (informative) - Masses of flanges
Annex B (informative) - Comparison of metric bolting to imperial
bolting
Annex ZA (informative) - Relationship between this European Standard
and the Essential Requirements of EU
Directive 97/23/EC
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