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EN 1759-4:2003

Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 4: Aluminium alloy flanges EN 1759-4:2003

Publication date:   Jun 30, 2004

General information

90.92 Standard to be revised   Jun 8, 2020

CEN

CEN/TC 74 Flanges and their joints

European Norm

23.040.60   Flanges, couplings and joints

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Scope

This European standard specifies 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 1/2 to NPS 24) and Class 150 to Class 300 (see Table 1).
This standard specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of jointing faces, marking and materials together with associated pressure temperature (p/T) ratings.
The flanges are intended to be used for piping as well as for pressure vessels.

Related legislation

Legislation related to this standard

97/23/EC

Pressure equipment

Harmonized/Supporting
more
2014/68/EU

Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment

Harmonized/Supporting
more

Life cycle

NOW

PUBLISHED
EN 1759-4:2003
90.92 Standard to be revised
Jun 8, 2020

REVISED BY

IN_DEVELOPMENT
prEN 1759-4