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DIN EN 14525 E : 2005

Current
Current

The latest, up-to-date edition.

DUCTILE IRON WIDE TOLERANCE COULINGS AND FLANGE ADAPTORS FOR USE WITH PIPES OF DIFFERENT MATERIALS: DUCTILE IRON, GREY IRON, STEEL, PVC-U, PE, FIBRE-CEMENT
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2005

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
  4.1 General
      4.1.1 Diameter range
      4.1.2 Surface condition and repairs
      4.1.3 Types of joints and interconnection
  4.2 Dimensional requirements
      4.2.1 Wall thickness
      4.2.2 Joint gap and depth of engagement
  4.3 Mechanical properties of ductile iron
      4.3.1 Tensile properties
      4.3.2 Hardness
  4.4 Coatings
      4.4.1 General
      4.4.2 Coating of ductile iron components
      4.4.3 Coating of bolts and nuts
  4.5 Product information
      4.5.1 Marking requirements
      4.5.2 Additional information
  4.6 Leak tightness
      4.6.1 Couplings and flange adaptors
      4.6.2 Joints
5 Performance requirements for joints
  5.1 General
  5.2 Pressure rating
  5.3 Flexible joints
      5.3.1 General
      5.3.2 Angular deflection
      5.3.3 Test conditions
      5.3.4 Test parameters
  5.4 Restrained flexible joints
  5.5 Flanged joints
6 Test methods
  6.1 Tensile testing
      6.1.1 Samples
      6.1.2 Preparation of test bar
      6.1.3 Apparatus and test method
      6.1.4 Test results
  6.2 Brinell hardness
  6.3 Works leak tightness test
      6.3.1 General
      6.3.2 Air test
      6.3.3 Hydrostatic pressure test
7 Performance tests
  7.1 Leak tightness of joints to positive internal pressure
      7.1.1 Coupling
      7.1.2 Flange adaptor
  7.2 Leak tightness of joints to negative internal pressure
  7.3 Leak tightness of joints to dynamic internal pressure
Annex A (informative) Outside diameters of existing pipes
Annex B (informative) Quality assurance
Bibliography

Provides the requirements and associated test methods applicable to wide tolerance ductile iron couplings and wide tolerance flange adaptors intended for use with pipe components made from a number of pipe materials (ductile iron, grey iron, PE, PVC-U, steel, fibre-cement), for providing a leak tight seal over a wide range of pipe external diameters.

DevelopmentNote
THE 2020 DRAFT VERSION HAS RELEASED FOR THE STANDARD DIN EN 14525
DocumentType
Standard
Pages
28
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current
SupersededBy

Standards Relationship
ONORM EN 14525 : 2005 Identical
NF EN 14525 : 2005 Identical
UNE-EN 14525:2005 Identical
BS EN 14525:2004 Identical
SN EN 14525 : 2005 Identical
EN 14525:2004 Identical
NS EN 14525 : 1ED 2005 Identical
I.S. EN 14525:2005 Identical
UNI EN 14525 : 2005 Identical
NEN EN 14525 : 2004 Identical
NBN EN 14525 : 2004 Identical

EN 10002-1 : 2001 METALLIC MATERIALS - TENSILE TESTING - PART 1: METHOD OF TEST AT AMBIENT TEMPERATURE
EN 1514-1:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts
EN 12842:2012 Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods
EN ISO 6506-1:2014 Metallic materials - Brinell hardness test - Part 1: Test method (ISO 6506-1:2014)
ISO 6506-1:2014 Metallic materials Brinell hardness test Part 1: Test method
ISO/IEC Guide 62:1996 General requirements for bodies operating assessment and certification/registration of quality systems
EN ISO 7091 : 2000 PLAIN WASHERS - NORMAL SERIES - PRODUCT GRADE C
ISO 559:1991 Steel tubes for water and sewage
EN 681-1:1996/A3:2005 ELASTOMERIC SEALS - MATERIALS REQUIREMENTS FOR PIPE JOINT SEALS USED IN WATER AND DRAINAGE APPLICATIONS - PART 1: VULCANIZED RUBBER
ISO 4016:2011 Hexagon head bolts Product grade C
ISO 4034:2012 Hexagon regular nuts (style 1) Product grade C
89/106/EEC : 1988 COUNCIL DIRECTIVE OF 21 DECEMBER 1988 ON THE APPROXIMATION OF LAWS, REGULATIONS AND ADMINISTRATIVE PROVISIONS OF THE MEMBER STATES RELATING TO CONSTRUCTION PRODUCTS
EN 805:2000 Water supply - Requirements for systems and components outside buildings
EN ISO 4016:2011 Hexagon head bolts - Product grade C (ISO 4016:2011)
EN 45011 : 1998 GENERAL REQUIREMENTS FOR BODIES OPERATING PRODUCT CERTIFICATION SYSTEMS
EN ISO 4034:2012/AC:2013 HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADE C (ISO 4034:2012/COR 1:2013)
EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
EN 1514-2:2014 Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
ISO 7091:2000 Plain washers Normal series Product grade C
EN 1514-4:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges
EN 1333:2006 Flanges and their joints - Pipework components - Definition and selection of PN
ISO 9001:2015 Quality management systems — Requirements
EN 12201-2:2011+A1:2013 Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 2: Pipes
EN 10224:2002/A1:2005 NON-ALLOY STEEL TUBES AND FITTINGS FOR THE CONVEYANCE OF WATER AND OTHER AQUEOUS LIQUIDS - TECHNICAL DELIVERY CONDITIONS
EN 1514-3:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 3: Non-metallic PTFE envelope gaskets
ISO/IEC Guide 65:1996 General requirements for bodies operating product certification systems
EN 512:1994/A1:2001 FIBRE-CEMENT PRODUCTS - PRESSURE PIPES AND JOINTS
EN 545:2010 Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods
EN 1452-2 : 1999 PLASTICS PIPING SYSTEMS FOR WATER SUPPLY - UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) - PART 2: PIPES
EN 1092-2:1997 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
EN 45012 : 1998 GENERAL REQUIREMENTS FOR BODIES OPERATING ASSESSMENT AND CERTIFICATION/REGISTRATION OF QUALITY SYSTEMS
ISO 2531:2009 Ductile iron pipes, fittings, accessories and their joints for water applications

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