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EN 1759-4:2003

Current

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

Published date

17-09-2003

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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

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.

Committee
CEN/TC 74
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
UNE-EN 1759-4:2004 Identical
I.S. EN 1759-4:2003 Identical
UNI EN 1759-4 : 2004 Identical
BS EN 1759-4:2003 Identical
NEN EN 1759-4 : 2003 Identical
NF EN 1759-4 : 2004 Identical
NBN EN 1759-4 : 2003 Identical
SN EN 1759-4 : 2003 Identical
DIN EN 1759-4:2003-12 Identical
NS EN 1759-4 : 1ED 2003 Identical
PN EN 1759-4 : 2008 Identical

BS EN 593:2017 Industrial valves. Metallic butterfly valves for general purposes
I.S. EN 1515-4:2009 FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
UNE-EN 16678:2016 Safety and control devices for gas burners and gas burning appliances - Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
16/30334287 DC : 0 BS EN 334 - GAS PRESSURE REGULATORS FOR INLET PRESSURE UP TO 100 BAR
DIN EN 334:2016-05 (Draft) GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
I.S. EN 14382:2005 SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
DIN EN 1591-1:2014-04 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
BS EN 12560-6:2003 Flanges and their joints. Gaskets for class-designated flanges Covered serrated metal gaskets for use with steel flanges
BS EN 14382 : 2005 SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
13/30286091 DC : 0 BS EN 16678 - SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUT-OFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
PREN 14382 : DRAFT 2016 GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURE UP TO 100 BAR
I.S. EN 593:2017 INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
UNI EN 1515-4 : 2010 FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
04/30117386 DC : DRAFT JUL 2004 EN 334 - GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
ONORM EN 334 : JUN 2009 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
BS EN 334 : 2005 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
BS EN 1591-1:2013 Flanges and their joints. Design rules for gasketed circular flange connections Calculation
UNE-EN 593:2009 Industrial valves - Metallic butterfly valves
I.S. EN 1591-1:2013 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
VDI 2200:2007-06 Tight flange connections - Selection, calculation, design and assembly of bolted flange connections
17/30347443 DC : DRAFT JUN 2017 BS EN 12480 - GAS METERS - ROTARY DISPLACEMENT GAS METERS
I.S. EN 1092-1:2007 FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES,FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES
DIN EN 14382:2016-05 (Draft) SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
UNI EN 1591-1 : 2014 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
UNI EN 14382 : 2009 SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
BS EN 16678:2015 Safety and control devices for gas burners and gas burning appliances. Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
08/30187521 DC : 0 BS EN 593 - INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES
16/30336440 DC : DRAFT MAR 2016 BS EN 1092-1 - FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES
16/30339483 DC : 0 BS EN 593 - INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
BS EN 1515-4:2009 Flanges and their joints. Bolting Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
PREN 593 : DRAFT 2016 INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
08/30173031 DC : DRAFT JAN 2008 BS EN 1515-4 - FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
I.S. EN 334:2005 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
17/30360051 DC : 0 BS EN 13611 - SAFETY AND CONTROL DEVICES FOR BURNERS AND APPLIANCES BURNING GASEOUS AND/OR LIQUID FUELS - GENERAL REQUIREMENTS
16/30334290 DC : 0 BS EN 14382 - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURE UP TO 100 BAR
EN 12480:2018 Gas meters - Rotary displacement gas meters
I.S. EN 12480:2018 GAS METERS - ROTARY DISPLACEMENT GAS METERS
DIN EN 12560-7:2004-09 Flanges and their joints - Gaskets for class-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges
BS EN 12560-7:2004 Flanges and their joints. Gaskets for class-designated flanges Covered metal jacketed gaskets for use with steel flanges
UNE-EN 1515-4:2010 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
UNE-EN 1591-1:2014 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
EN 1515-4:2009 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
EN 16678:2015 Safety and control devices for gas burners and gas burning appliances - Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
EN 1591-1:2013 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
EN 334:2005+A1:2009 Gas pressure regulators for inlet pressures up to 100 bar
EN 593:2017 Industrial valves - Metallic butterfly valves for general purposes
DIN EN 1515-4:2010-04 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
DIN EN 16678:2016-02 Safety and control devices for gas burners and gas burning appliances - Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
UNI EN 334 : 2009 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
EN 1092-1:2018 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
I.S. EN 16678:2015 SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUT-OFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
PREN 13611 : DRAFT 2017 SAFETY AND CONTROL DEVICES FOR BURNERS AND APPLIANCES BURNING GASEOUS AND/OR LIQUID FUELS - GENERAL REQUIREMENTS
DIN EN 12560-6:2004-03 Flanges and their joints - Gaskets for class-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges
EN 12560-6:2003 Flanges and their joints - Gaskets for Class-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges
EN 12560-7:2004 Flanges and their joints - Gaskets for Class-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges

EN 1515-1:1999 Flanges and their joints - Bolting - Part 1: Selection of bolting
ISO 4287:1997 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
EN 12392:2016 Aluminium and aluminium alloys - Wrought products and cast products - Special requirements for products intended for the production of pressure equipment

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