UNI EN 1759-4 : 2004
Current
The latest, up-to-date edition.
FLANGES AND THEIR JOINT - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - ALUMINIUM ALLOY FLANGES
03-01-2004
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.