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BS EN ISO 4126-3:2006

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Safety devices for protection against excessive pressure Safety valves and bursting disc safety devices in combination
Available format(s)

Hardcopy , PDF

Superseded date

10-06-2020

Language(s)

English

Published date

04-30-2009

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Design of combination
6 Installation of combination
7 Combination performance
8 Determination of combination discharge capacity
   factor, F[d], by testing
9 Derivation of combination discharge capacity factor,
   F[d]
10 Alternative to testing for F[d]
11 Certification of combination discharge capacity
   factor, F[d]
12 Application and use of the certified combination
   discharge capacity factor, F[d]
13 Marking and identification of combination devices
14 Certification
15 Preparation for storage and transport
Annex ZA (informative) - Relationship between this
         International Standard and the Essential
         Requirements of EU Directive 97/23/EC (PED)

Describes the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1, ISO 4126-4 and ISO 4126-5, and bursting disc safety devices according to ISO 4126-2 installed within no more than five pipe diameters from the valve inlet.

Committee
PSE/18/6
DevelopmentNote
Supersedes 04/30112263 DC. (04/2009)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 4126-3:2006 Identical
EN ISO 4126-3:2006 Identical

EN 13480-6:2017 Metallic industrial piping - Part 6: Additional requirements for buried piping
EN 13480-2:2017 Metallic industrial piping - Part 2: Materials
ISO 4126-1:2013 Safety devices for protection against excessive pressure Part 1: Safety valves
EN 13480-4:2017 Metallic industrial piping - Part 4: Fabrication and installation
EN 13480-1:2017 Metallic industrial piping - Part 1: General
ISO 4126-4:2013 Safety devices for protection against excessive pressure Part 4: Pilot operated safety valves
EN 13480-3:2017 Metallic industrial piping - Part 3: Design and calculation
EN 764-7:2002/AC:2006 PRESSURE EQUIPMENT - PART 7: SAFETY SYSTEMS FOR UNFIRED PRESSURE EQUIPMENT
CEN/TR 13480-7:2017 Metallic industrial piping - Part 7: Guidance on the use of conformity assessment procedures
ISO 4126-2:2003 Safety devices for protection against excessive pressure Part 2: Bursting disc safety devices
ISO 4126-5:2013 Safety devices for protection against excessive pressure Part 5: Controlled safety pressure relief systems (CSPRS)
EN 13480-5:2017 Metallic industrial piping - Part 5: Inspection and testing
1997/23/EC : 1997 DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT
ISO 4126-6:2014 Safety devices for protection against excessive pressure — Part 6: Application, selection and installation of bursting disc safety devices

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