Skip to content
Please enter a keyword to search

  • BS EN ISO 4126-3:2006

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    View superseded by

    Safety devices for protection against excessive pressure Safety valves and bursting disc safety devices in combination

    Available format(s):  Hardcopy, PDF

    Superseded date:  06-10-2020

    Language(s):  English

    Published date:  30-04-2009

    Publisher:  British Standards Institution

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    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)

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee PSE/18/6
    Development Note Supersedes 04/30112263 DC. (04/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    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
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective