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UNI EN 1759-3 : 2004
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The latest, up-to-date edition.
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - COPPER ALLOY FLANGES
01-03-2004
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
4.1 General
4.2 Standard designation
4.3 Information to be supplied by the equipment
manufacturer
5 General requirements
5.1 Materials
5.2 Repairs
5.3 Bolting
5.4 Gaskets
5.5 Pressure/temperature (p/T) ratings
5.6 Dimensions
5.7 Flange facings
5.8 Spot facing or back facing
5.9 Tolerances
5.10 Marking
Annex A (informative) Information to be supplied by the equipment
manufacturer
Annex B (informative) Application and installation
Annex C (informative) Use of metric bolting in lieu of imperial
bolting
C.1 General
C.2 Gaskets
C.3 Comparable nominal bolt sizes
C.4 Imperial/metric bolt comparisons
Annex D (informative) Approximate masses of flanges and collars
Annex ZA (informative) Relationship between this European Standard
and the Essential Requirements of EU
Directive 97/23/EC
Bibliography
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