NEN EN 1759-4 : 2003
Current
The latest, up-to-date edition.
FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 4: ALUMINIUM ALLOY FLANGES
12-01-2013
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
Describes requirements for Class designated circular flanges for pipes, valves, fittings and accessories made from aluminium alloy in the range of DN 15 to DN 600 (NPS half to NPS 24) and Class 150 to Class 300.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 1759-4:2003 | Identical |
| DIN EN 1759-4:2003-12 | Identical |
| EN 1759-4:2003 | Identical |
| UNI EN 1759-4 : 2004 | Identical |
| UNE-EN 1759-4:2004 | Identical |
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